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/**
 * Class ParagonIE_Sodium_Core32_Int32
 *
 * Encapsulates a 32-bit integer.
 *
 * These are immutable. It always returns a new instance.
 */
class ParagonIE_Sodium_Core32_Int32
{
    /**
     * @var array<int, int> - two 16-bit integers
     *
     * 0 is the higher 16 bits
     * 1 is the lower 16 bits
     */
    public $limbs = array(0, 0);

/**
     * @var int
     */
    public $overflow = 0;

/**
     * @var bool
     */
    public $unsignedInt = false;

/**
     * ParagonIE_Sodium_Core32_Int32 constructor.
     * @param array $array
     * @param bool $unsignedInt
     */
    public function __construct($array = array(0, 0), $unsignedInt = false)
    {
        $this->limbs = array(
            (int) $array[0],
            (int) $array[1]
        );
        $this->overflow = 0;
        $this->unsignedInt = $unsignedInt;
    }

/**
     * Adds two int32 objects
     *
     * @param ParagonIE_Sodium_Core32_Int32 $addend
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function addInt32(ParagonIE_Sodium_Core32_Int32 $addend)
    {
        $i0 = $this->limbs[0];
        $i1 = $this->limbs[1];
        $j0 = $addend->limbs[0];
        $j1 = $addend->limbs[1];

$r1 = $i1 + ($j1 & 0xffff);
        $carry = $r1 >> 16;

$r0 = $i0 + ($j0 & 0xffff) + $carry;
        $carry = $r0 >> 16;

$r0 &= 0xffff;
        $r1 &= 0xffff;

$return = new ParagonIE_Sodium_Core32_Int32(
            array($r0, $r1)
        );
        $return->overflow = $carry;
        $return->unsignedInt = $this->unsignedInt;
        return $return;
    }

/**
     * Adds a normal integer to an int32 object
     *
     * @param int $int
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     */
    public function addInt($int)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
        /** @var int $int */
        $int = (int) $int;

$int = (int) $int;

$i0 = $this->limbs[0];
        $i1 = $this->limbs[1];

$r1 = $i1 + ($int & 0xffff);
        $carry = $r1 >> 16;

$r0 = $i0 + (($int >> 16) & 0xffff) + $carry;
        $carry = $r0 >> 16;
        $r0 &= 0xffff;
        $r1 &= 0xffff;
        $return = new ParagonIE_Sodium_Core32_Int32(
            array($r0, $r1)
        );
        $return->overflow = $carry;
        $return->unsignedInt = $this->unsignedInt;
        return $return;
    }

/**
     * @param int $b
     * @return int
     */
    public function compareInt($b = 0)
    {
        $gt = 0;
        $eq = 1;

$i = 2;
        $j = 0;
        while ($i > 0) {
            --$i;
            /** @var int $x1 */
            $x1 = $this->limbs[$i];
            /** @var int $x2 */
            $x2 = ($b >> ($j << 4)) & 0xffff;
            /** @var int $gt */
            $gt |= (($x2 - $x1) >> 8) & $eq;
            /** @var int $eq */
            $eq &= (($x2 ^ $x1) - 1) >> 8;
        }
        return ($gt + $gt - $eq) + 1;
    }

/**
     * @param int $m
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function mask($m = 0)
    {
        /** @var int $hi */
        $hi = ((int) $m >> 16);
        $hi &= 0xffff;
        /** @var int $lo */
        $lo = ((int) $m) & 0xffff;
        return new ParagonIE_Sodium_Core32_Int32(
            array(
                (int) ($this->limbs[0] & $hi),
                (int) ($this->limbs[1] & $lo)
            ),
            $this->unsignedInt
        );
    }

/**
     * @param array<int, int> $a
     * @param array<int, int> $b
     * @param int $baseLog2
     * @return array<int, int>
     */
    public function multiplyLong(array $a, array $b, $baseLog2 = 16)
    {
        $a_l = count($a);
        $b_l = count($b);
        /** @var array<int, int> $r */
        $r = array_fill(0, $a_l + $b_l + 1, 0);
        $base = 1 << $baseLog2;
        for ($i = 0; $i < $a_l; ++$i) {
            $a_i = $a[$i];
            for ($j = 0; $j < $a_l; ++$j) {
                $b_j = $b[$j];
                $product = ($a_i * $b_j) + $r[$i + $j];
                $carry = ((int) $product >> $baseLog2 & 0xffff);
                $r[$i + $j] = ((int) $product - (int) ($carry * $base)) & 0xffff;
                $r[$i + $j + 1] += $carry;
            }
        }
        return array_slice($r, 0, 5);
    }

/**
     * @param int $int
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function mulIntFast($int)
    {
        // Handle negative numbers
        $aNeg = ($this->limbs[0] >> 15) & 1;
        $bNeg = ($int >> 31) & 1;
        $a = array_reverse($this->limbs);
        $b = array(
            $int & 0xffff,
            ($int >> 16) & 0xffff
        );
        if ($aNeg) {
            for ($i = 0; $i < 2; ++$i) {
                $a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
            }
            ++$a[0];
        }
        if ($bNeg) {
            for ($i = 0; $i < 2; ++$i) {
                $b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
            }
            ++$b[0];
        }
        // Multiply
        $res = $this->multiplyLong($a, $b);

// Re-apply negation to results
        if ($aNeg !== $bNeg) {
            for ($i = 0; $i < 2; ++$i) {
                $res[$i] = (0xffff ^ $res[$i]) & 0xffff;
            }
            // Handle integer overflow
            $c = 1;
            for ($i = 0; $i < 2; ++$i) {
                $res[$i] += $c;
                $c = $res[$i] >> 16;
                $res[$i] &= 0xffff;
            }
        }

// Return our values
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->limbs = array(
            $res[1] & 0xffff,
            $res[0] & 0xffff
        );
        if (count($res) > 2) {
            $return->overflow = $res[2] & 0xffff;
        }
        $return->unsignedInt = $this->unsignedInt;
        return $return;
    }

/**
     * @param ParagonIE_Sodium_Core32_Int32 $right
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function mulInt32Fast(ParagonIE_Sodium_Core32_Int32 $right)
    {
        $aNeg = ($this->limbs[0] >> 15) & 1;
        $bNeg = ($right->limbs[0] >> 15) & 1;

$a = array_reverse($this->limbs);
        $b = array_reverse($right->limbs);
        if ($aNeg) {
            for ($i = 0; $i < 2; ++$i) {
                $a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
            }
            ++$a[0];
        }
        if ($bNeg) {
            for ($i = 0; $i < 2; ++$i) {
                $b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
            }
            ++$b[0];
        }
        $res = $this->multiplyLong($a, $b);
        if ($aNeg !== $bNeg) {
            if ($aNeg !== $bNeg) {
                for ($i = 0; $i < 2; ++$i) {
                    $res[$i] = ($res[$i] ^ 0xffff) & 0xffff;
                }
                $c = 1;
                for ($i = 0; $i < 2; ++$i) {
                    $res[$i] += $c;
                    $c = $res[$i] >> 16;
                    $res[$i] &= 0xffff;
                }
            }
        }
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->limbs = array(
            $res[1] & 0xffff,
            $res[0] & 0xffff
        );
        if (count($res) > 2) {
            $return->overflow = $res[2];
        }
        return $return;
    }

/**
     * @param int $int
     * @param int $size
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     */
    public function mulInt($int = 0, $size = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
        ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
        if (ParagonIE_Sodium_Compat::$fastMult) {
            return $this->mulIntFast((int) $int);
        }
        /** @var int $int */
        $int = (int) $int;
        /** @var int $size */
        $size = (int) $size;

if (!$size) {
            $size = 31;
        }
        /** @var int $size */

$a = clone $this;
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;

// Initialize:
        $ret0 = 0;
        $ret1 = 0;
        $a0 = $a->limbs[0];
        $a1 = $a->limbs[1];

/** @var int $size */
        /** @var int $i */
        for ($i = $size; $i >= 0; --$i) {
            $m = (int) (-($int & 1));
            $x0 = $a0 & $m;
            $x1 = $a1 & $m;

$ret1 += $x1;
            $c = $ret1 >> 16;

$ret0 += $x0 + $c;

$ret0 &= 0xffff;
            $ret1 &= 0xffff;

$a1 = ($a1 << 1);
            $x1 = $a1 >> 16;
            $a0 = ($a0 << 1) | $x1;
            $a0 &= 0xffff;
            $a1 &= 0xffff;
            $int >>= 1;
        }
        $return->limbs[0] = $ret0;
        $return->limbs[1] = $ret1;
        return $return;
    }

/**
     * @param ParagonIE_Sodium_Core32_Int32 $int
     * @param int $size
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     */
    public function mulInt32(ParagonIE_Sodium_Core32_Int32 $int, $size = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
        if (ParagonIE_Sodium_Compat::$fastMult) {
            return $this->mulInt32Fast($int);
        }
        if (!$size) {
            $size = 31;
        }
        /** @var int $size */

$a = clone $this;
        $b = clone $int;
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;

// Initialize:
        $ret0 = 0;
        $ret1 = 0;
        $a0 = $a->limbs[0];
        $a1 = $a->limbs[1];
        $b0 = $b->limbs[0];
        $b1 = $b->limbs[1];

/** @var int $size */
        /** @var int $i */
        for ($i = $size; $i >= 0; --$i) {
            $m = (int) (-($b1 & 1));
            $x0 = $a0 & $m;
            $x1 = $a1 & $m;

$ret1 += $x1;
            $c = $ret1 >> 16;

$ret0 += $x0 + $c;

$ret0 &= 0xffff;
            $ret1 &= 0xffff;

$a1 = ($a1 << 1);
            $x1 = $a1 >> 16;
            $a0 = ($a0 << 1) | $x1;
            $a0 &= 0xffff;
            $a1 &= 0xffff;

$x0 = ($b0 & 1) << 16;
            $b0 = ($b0 >> 1);
            $b1 = (($b1 | $x0) >> 1);

$b0 &= 0xffff;
            $b1 &= 0xffff;

}
        $return->limbs[0] = $ret0;
        $return->limbs[1] = $ret1;

return $return;
    }

/**
     * OR this 32-bit integer with another.
     *
     * @param ParagonIE_Sodium_Core32_Int32 $b
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function orInt32(ParagonIE_Sodium_Core32_Int32 $b)
    {
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;
        $return->limbs = array(
            (int) ($this->limbs[0] | $b->limbs[0]),
            (int) ($this->limbs[1] | $b->limbs[1])
        );
        /** @var int overflow */
        $return->overflow = $this->overflow | $b->overflow;
        return $return;
    }

/**
     * @param int $b
     * @return bool
     */
    public function isGreaterThan($b = 0)
    {
        return $this->compareInt($b) > 0;
    }

/**
     * @param int $b
     * @return bool
     */
    public function isLessThanInt($b = 0)
    {
        return $this->compareInt($b) < 0;
    }

/**
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayAccess
     */
    public function rotateLeft($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        /** @var int $c */
        $c = (int) $c;

$return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 31;
        if ($c === 0) {
            // NOP, but we want a copy.
            $return->limbs = $this->limbs;
        } else {
            /** @var int $c */

/** @var int $idx_shift */
            $idx_shift = ($c >> 4) & 1;

/** @var int $sub_shift */
            $sub_shift = $c & 15;

/** @var array<int, int> $limbs */
            $limbs =& $return->limbs;

/** @var array<int, int> $myLimbs */
            $myLimbs =& $this->limbs;

for ($i = 1; $i >= 0; --$i) {
                /** @var int $j */
                $j = ($i + $idx_shift) & 1;
                /** @var int $k */
                $k = ($i + $idx_shift + 1) & 1;
                $limbs[$i] = (int) (
                    (
                        ((int) ($myLimbs[$j]) << $sub_shift)
                            |
                        ((int) ($myLimbs[$k]) >> (16 - $sub_shift))
                    ) & 0xffff
                );
            }
        }
        return $return;
    }

/**
     * Rotate to the right
     *
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayAccess
     */
    public function rotateRight($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        /** @var int $c */
        $c = (int) $c;

$return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 31;
        /** @var int $c */
        if ($c === 0) {
            // NOP, but we want a copy.
            $return->limbs = $this->limbs;
        } else {
            /** @var int $c */

/** @var int $idx_shift */
            $idx_shift = ($c >> 4) & 1;

/** @var int $sub_shift */
            $sub_shift = $c & 15;

/** @var array<int, int> $limbs */
            $limbs =& $return->limbs;

/** @var array<int, int> $myLimbs */
            $myLimbs =& $this->limbs;

for ($i = 1; $i >= 0; --$i) {
                /** @var int $j */
                $j = ($i - $idx_shift) & 1;
                /** @var int $k */
                $k = ($i - $idx_shift - 1) & 1;
                $limbs[$i] = (int) (
                    (
                        ((int) ($myLimbs[$j]) >> (int) ($sub_shift))
                            |
                        ((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift)))
                    ) & 0xffff
                );
            }
        }
        return $return;
    }

/**
     * @param bool $bool
     * @return self
     */
    public function setUnsignedInt($bool = false)
    {
        $this->unsignedInt = !empty($bool);
        return $this;
    }

/**
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     */
    public function shiftLeft($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        /** @var int $c */
        $c = (int) $c;

$return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 63;
        /** @var int $c */
        if ($c === 0) {
            $return->limbs = $this->limbs;
        } elseif ($c < 0) {
            /** @var int $c */
            return $this->shiftRight(-$c);
        } else {
            /** @var int $c */
            /** @var int $tmp */
            $tmp = $this->limbs[1] << $c;
            $return->limbs[1] = (int)($tmp & 0xffff);
            /** @var int $carry */
            $carry = $tmp >> 16;

/** @var int $tmp */
            $tmp = ($this->limbs[0] << $c) | ($carry & 0xffff);
            $return->limbs[0] = (int) ($tmp & 0xffff);
        }
        return $return;
    }

/**
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedOperand
     */
    public function shiftRight($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        /** @var int $c */
        $c = (int) $c;

$return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 63;
        /** @var int $c */
        if ($c >= 16) {
            $return->limbs = array(
                (int) ($this->overflow & 0xffff),
                (int) ($this->limbs[0])
            );
            $return->overflow = $this->overflow >> 16;
            return $return->shiftRight($c & 15);
        }
        if ($c === 0) {
            $return->limbs = $this->limbs;
        } elseif ($c < 0) {
            /** @var int $c */
            return $this->shiftLeft(-$c);
        } else {
            if (!is_int($c)) {
                throw new TypeError();
            }
            /** @var int $c */
            // $return->limbs[0] = (int) (($this->limbs[0] >> $c) & 0xffff);
            $carryLeft = (int) ($this->overflow & ((1 << ($c + 1)) - 1));
            $return->limbs[0] = (int) ((($this->limbs[0] >> $c) | ($carryLeft << (16 - $c))) & 0xffff);
            $carryRight = (int) ($this->limbs[0] & ((1 << ($c + 1)) - 1));
            $return->limbs[1] = (int) ((($this->limbs[1] >> $c) | ($carryRight << (16 - $c))) & 0xffff);
            $return->overflow >>= $c;
        }
        return $return;
    }

/**
     * Subtract a normal integer from an int32 object.
     *
     * @param int $int
     * @return ParagonIE_Sodium_Core32_Int32
     * @throws SodiumException
     * @throws TypeError
     */
    public function subInt($int)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
        /** @var int $int */
        $int = (int) $int;

$return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;

/** @var int $tmp */
        $tmp = $this->limbs[1] - ($int & 0xffff);
        /** @var int $carry */
        $carry = $tmp >> 16;
        $return->limbs[1] = (int) ($tmp & 0xffff);

/** @var int $tmp */
        $tmp = $this->limbs[0] - (($int >> 16) & 0xffff) + $carry;
        $return->limbs[0] = (int) ($tmp & 0xffff);
        return $return;
    }

/**
     * Subtract two int32 objects from each other
     *
     * @param ParagonIE_Sodium_Core32_Int32 $b
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function subInt32(ParagonIE_Sodium_Core32_Int32 $b)
    {
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;

/** @var int $tmp */
        $tmp = $this->limbs[1] - ($b->limbs[1] & 0xffff);
        /** @var int $carry */
        $carry = $tmp >> 16;
        $return->limbs[1] = (int) ($tmp & 0xffff);

/** @var int $tmp */
        $tmp = $this->limbs[0] - ($b->limbs[0] & 0xffff) + $carry;
        $return->limbs[0] = (int) ($tmp & 0xffff);
        return $return;
    }

/**
     * XOR this 32-bit integer with another.
     *
     * @param ParagonIE_Sodium_Core32_Int32 $b
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function xorInt32(ParagonIE_Sodium_Core32_Int32 $b)
    {
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->unsignedInt = $this->unsignedInt;
        $return->limbs = array(
            (int) ($this->limbs[0] ^ $b->limbs[0]),
            (int) ($this->limbs[1] ^ $b->limbs[1])
        );
        return $return;
    }

/**
     * @param int $signed
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromInt($signed)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($signed, 'int', 1);;
        /** @var int $signed */
        $signed = (int) $signed;

return new ParagonIE_Sodium_Core32_Int32(
            array(
                (int) (($signed >> 16) & 0xffff),
                (int) ($signed & 0xffff)
            )
        );
    }

/**
     * @param string $string
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromString($string)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
        $string = (string) $string;
        if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) {
            throw new RangeException(
                'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
            );
        }
        $return = new ParagonIE_Sodium_Core32_Int32();

/**
     * @param string $string
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromReverseString($string)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
        $string = (string) $string;
        if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) {
            throw new RangeException(
                'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
            );
        }
        $return = new ParagonIE_Sodium_Core32_Int32();

$return->limbs[0]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8);
        $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff);
        $return->limbs[1]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8);
        $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff);
        return $return;
    }

/**
     * @return array<int, int>
     */
    public function toArray()
    {
        return array((int) ($this->limbs[0] << 16 | $this->limbs[1]));
    }

/**
     * @return int
     */
    public function toInt()
    {
        return (int) (
            (($this->limbs[0] & 0xffff) << 16)
                |
            ($this->limbs[1] & 0xffff)
        );
    }

/**
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function toInt32()
    {
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->limbs[0] = (int) ($this->limbs[0] & 0xffff);
        $return->limbs[1] = (int) ($this->limbs[1] & 0xffff);
        $return->unsignedInt = $this->unsignedInt;
        $return->overflow = (int) ($this->overflow & 0x7fffffff);
        return $return;
    }

/**
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function toInt64()
    {
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        if ($this->unsignedInt) {
            $return->limbs[0] += (($this->overflow >> 16) & 0xffff);
            $return->limbs[1] += (($this->overflow) & 0xffff);
        } else {
            $neg = -(($this->limbs[0] >> 15) & 1);
            $return->limbs[0] = (int)($neg & 0xffff);
            $return->limbs[1] = (int)($neg & 0xffff);
        }
        $return->limbs[2] = (int) ($this->limbs[0] & 0xffff);
        $return->limbs[3] = (int) ($this->limbs[1] & 0xffff);
        return $return;
    }

/**
     * @return string
     * @throws TypeError
     */
    public function toReverseString()
    {
        return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff);
    }

/**
     * @return string
     */
    public function __toString()
    {
        try {
            return $this->toString();
        } catch (TypeError $ex) {
            // PHP engine can't handle exceptions from __toString()
            return '';
        }
    }
}
����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������SipHash.php�����������������������������������������������������������������������������������������0000644�����������������00000014725�15221413146�0006624 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_SipHash', false)) {
    return;
}

/**
 * Class ParagonIE_SodiumCompat_Core32_SipHash
 *
 * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers
 */
class ParagonIE_Sodium_Core32_SipHash extends ParagonIE_Sodium_Core32_Util
{
    /**
     * @internal You should not use this directly from another application
     *
     * @param array<int, ParagonIE_Sodium_Core32_Int64> $v
     * @return array<int, ParagonIE_Sodium_Core32_Int64>
     */
    public static function sipRound(array $v)
    {
        # v0 += v1;
        $v[0] = $v[0]->addInt64($v[1]);

# v1 = ROTL(v1, 13);
        $v[1] = $v[1]->rotateLeft(13);

#  v1 ^= v0;
        $v[1] = $v[1]->xorInt64($v[0]);

#  v0=ROTL(v0,32);
        $v[0] = $v[0]->rotateLeft(32);

# v2 += v3;
        $v[2] = $v[2]->addInt64($v[3]);

# v3=ROTL(v3,16);
        $v[3] = $v[3]->rotateLeft(16);

#  v3 ^= v2;
        $v[3] = $v[3]->xorInt64($v[2]);

# v0 += v3;
        $v[0] = $v[0]->addInt64($v[3]);

# v3=ROTL(v3,21);
        $v[3] = $v[3]->rotateLeft(21);

# v3 ^= v0;
        $v[3] = $v[3]->xorInt64($v[0]);

# v2 += v1;
        $v[2] = $v[2]->addInt64($v[1]);

# v1=ROTL(v1,17);
        $v[1] = $v[1]->rotateLeft(17);

#  v1 ^= v2;
        $v[1] = $v[1]->xorInt64($v[2]);

# v2=ROTL(v2,32)
        $v[2] = $v[2]->rotateLeft(32);

return $v;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $in
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function sipHash24($in, $key)
    {
        $inlen = self::strlen($in);

# /* "somepseudorandomlygeneratedbytes" */
        # u64 v0 = 0x736f6d6570736575ULL;
        # u64 v1 = 0x646f72616e646f6dULL;
        # u64 v2 = 0x6c7967656e657261ULL;
        # u64 v3 = 0x7465646279746573ULL;
        $v = array(
            new ParagonIE_Sodium_Core32_Int64(
                array(0x736f, 0x6d65, 0x7073, 0x6575)
            ),
            new ParagonIE_Sodium_Core32_Int64(
                array(0x646f, 0x7261, 0x6e64, 0x6f6d)
            ),
            new ParagonIE_Sodium_Core32_Int64(
                array(0x6c79, 0x6765, 0x6e65, 0x7261)
            ),
            new ParagonIE_Sodium_Core32_Int64(
                array(0x7465, 0x6462, 0x7974, 0x6573)
            )
        );

# u64 k0 = LOAD64_LE( k );
        # u64 k1 = LOAD64_LE( k + 8 );
        $k = array(
            ParagonIE_Sodium_Core32_Int64::fromReverseString(
                self::substr($key, 0, 8)
            ),
            ParagonIE_Sodium_Core32_Int64::fromReverseString(
                self::substr($key, 8, 8)
            )
        );

# b = ( ( u64 )inlen ) << 56;
        $b = new ParagonIE_Sodium_Core32_Int64(
            array(($inlen << 8) & 0xffff, 0, 0, 0)
        );

# v3 ^= k1;
        $v[3] = $v[3]->xorInt64($k[1]);
        # v2 ^= k0;
        $v[2] = $v[2]->xorInt64($k[0]);
        # v1 ^= k1;
        $v[1] = $v[1]->xorInt64($k[1]);
        # v0 ^= k0;
        $v[0] = $v[0]->xorInt64($k[0]);

$left = $inlen;
        # for ( ; in != end; in += 8 )
        while ($left >= 8) {
            # m = LOAD64_LE( in );
            $m = ParagonIE_Sodium_Core32_Int64::fromReverseString(
                self::substr($in, 0, 8)
            );

# v3 ^= m;
            $v[3] = $v[3]->xorInt64($m);

# SIPROUND;
            # SIPROUND;
            $v = self::sipRound($v);
            $v = self::sipRound($v);

# v0 ^= m;
            $v[0] = $v[0]->xorInt64($m);

$in = self::substr($in, 8);
            $left -= 8;
        }

# switch( left )
        #  {
        #     case 7: b |= ( ( u64 )in[ 6] )  << 48;
        #     case 6: b |= ( ( u64 )in[ 5] )  << 40;
        #     case 5: b |= ( ( u64 )in[ 4] )  << 32;
        #     case 4: b |= ( ( u64 )in[ 3] )  << 24;
        #     case 3: b |= ( ( u64 )in[ 2] )  << 16;
        #     case 2: b |= ( ( u64 )in[ 1] )  <<  8;
        #     case 1: b |= ( ( u64 )in[ 0] ); break;
        #     case 0: break;
        # }
        switch ($left) {
            case 7:
                $b = $b->orInt64(
                    ParagonIE_Sodium_Core32_Int64::fromInts(
                        0, self::chrToInt($in[6]) << 16
                    )
                );
            case 6:
                $b = $b->orInt64(
                    ParagonIE_Sodium_Core32_Int64::fromInts(
                        0, self::chrToInt($in[5]) << 8
                    )
                );
            case 5:
                $b = $b->orInt64(
                    ParagonIE_Sodium_Core32_Int64::fromInts(
                        0, self::chrToInt($in[4])
                    )
                );
            case 4:
                $b = $b->orInt64(
                    ParagonIE_Sodium_Core32_Int64::fromInts(
                        self::chrToInt($in[3]) << 24, 0
                    )
                );
            case 3:
                $b = $b->orInt64(
                    ParagonIE_Sodium_Core32_Int64::fromInts(
                        self::chrToInt($in[2]) << 16, 0
                    )
                );
            case 2:
                $b = $b->orInt64(
                    ParagonIE_Sodium_Core32_Int64::fromInts(
                        self::chrToInt($in[1]) << 8, 0
                    )
                );
            case 1:
                $b = $b->orInt64(
                    ParagonIE_Sodium_Core32_Int64::fromInts(
                        self::chrToInt($in[0]), 0
                    )
                );
            case 0:
                break;
        }

# v3 ^= b;
        $v[3] = $v[3]->xorInt64($b);

# SIPROUND;
        # SIPROUND;
        $v = self::sipRound($v);
        $v = self::sipRound($v);

# v0 ^= b;
        $v[0] = $v[0]->xorInt64($b);

// Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation
        # v2 ^= 0xff;
        $v[2]->limbs[3] ^= 0xff;

# SIPROUND;
        # SIPROUND;
        # SIPROUND;
        # SIPROUND;
        $v = self::sipRound($v);
        $v = self::sipRound($v);
        $v = self::sipRound($v);
        $v = self::sipRound($v);

# b = v0 ^ v1 ^ v2 ^ v3;
        # STORE64_LE( out, b );
        return $v[0]
            ->xorInt64($v[1])
            ->xorInt64($v[2])
            ->xorInt64($v[3])
            ->toReverseString();
    }
}
�������������������������������������������Ed25519.php�����������������������������������������������������������������������������������������0000644�����������������00000036567�15221413146�0006233 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Ed25519', false)) {
    return;
}
if (!class_exists('ParagonIE_Sodium_Core32_Curve25519')) {
    require_once dirname(__FILE__) . '/Curve25519.php';
}

/**
 * Class ParagonIE_Sodium_Core32_Ed25519
 */
abstract class ParagonIE_Sodium_Core32_Ed25519 extends ParagonIE_Sodium_Core32_Curve25519
{
    const KEYPAIR_BYTES = 96;
    const SEED_BYTES = 32;

/**
     * @internal You should not use this directly from another application
     *
     * @return string (96 bytes)
     * @throws Exception
     * @throws SodiumException
     * @throws TypeError
     */
    public static function keypair()
    {
        $seed = random_bytes(self::SEED_BYTES);
        $pk = '';
        $sk = '';
        self::seed_keypair($pk, $sk, $seed);
        return $sk . $pk;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $pk
     * @param string $sk
     * @param string $seed
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function seed_keypair(&$pk, &$sk, $seed)
    {
        if (self::strlen($seed) !== self::SEED_BYTES) {
            throw new RangeException('crypto_sign keypair seed must be 32 bytes long');
        }

/** @var string $pk */
        $pk = self::publickey_from_secretkey($seed);
        $sk = $seed . $pk;
        return $sk;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $keypair
     * @return string
     * @throws TypeError
     */
    public static function secretkey($keypair)
    {
        if (self::strlen($keypair) !== self::KEYPAIR_BYTES) {
            throw new RangeException('crypto_sign keypair must be 96 bytes long');
        }
        return self::substr($keypair, 0, 64);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $keypair
     * @return string
     * @throws RangeException
     * @throws TypeError
     */
    public static function publickey($keypair)
    {
        if (self::strlen($keypair) !== self::KEYPAIR_BYTES) {
            throw new RangeException('crypto_sign keypair must be 96 bytes long');
        }
        return self::substr($keypair, 64, 32);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $sk
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function publickey_from_secretkey($sk)
    {
        /** @var string $sk */
        $sk = hash('sha512', self::substr($sk, 0, 32), true);
        $sk[0] = self::intToChr(
            self::chrToInt($sk[0]) & 248
        );
        $sk[31] = self::intToChr(
            (self::chrToInt($sk[31]) & 63) | 64
        );
        return self::sk_to_pk($sk);
    }

/**
     * @param string $pk
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function pk_to_curve25519($pk)
    {
        if (self::small_order($pk)) {
            throw new SodiumException('Public key is on a small order');
        }
        $A = self::ge_frombytes_negate_vartime($pk);
        $p1 = self::ge_mul_l($A);
        if (!self::fe_isnonzero($p1->X)) {
            throw new SodiumException('Unexpected zero result');
        }

# fe_1(one_minus_y);
        # fe_sub(one_minus_y, one_minus_y, A.Y);
        # fe_invert(one_minus_y, one_minus_y);
        $one_minux_y = self::fe_invert(
            self::fe_sub(
                self::fe_1(),
                $A->Y
            )
        );

# fe_1(x);
        # fe_add(x, x, A.Y);
        # fe_mul(x, x, one_minus_y);
        $x = self::fe_mul(
            self::fe_add(self::fe_1(), $A->Y),
            $one_minux_y
        );

# fe_tobytes(curve25519_pk, x);
        return self::fe_tobytes($x);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $sk
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function sign($message, $sk)
    {
        /** @var string $signature */
        $signature = self::sign_detached($message, $sk);
        return $signature . $message;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message A signed message
     * @param string $pk      Public key
     * @return string         Message (without signature)
     * @throws SodiumException
     * @throws TypeError
     */
    public static function sign_open($message, $pk)
    {
        /** @var string $signature */
        $signature = self::substr($message, 0, 64);

/** @var string $message */
        $message = self::substr($message, 64);

if (self::verify_detached($signature, $message, $pk)) {
            return $message;
        }
        throw new SodiumException('Invalid signature');
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $sk
     * @return string
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress PossiblyInvalidArgument
     */
    public static function sign_detached($message, $sk)
    {
        # crypto_hash_sha512(az, sk, 32);
        $az =  hash('sha512', self::substr($sk, 0, 32), true);

# az[0] &= 248;
        # az[31] &= 63;
        # az[31] |= 64;
        $az[0] = self::intToChr(self::chrToInt($az[0]) & 248);
        $az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64);

# crypto_hash_sha512_init(&hs);
        # crypto_hash_sha512_update(&hs, az + 32, 32);
        # crypto_hash_sha512_update(&hs, m, mlen);
        # crypto_hash_sha512_final(&hs, nonce);
        $hs = hash_init('sha512');
        self::hash_update($hs, self::substr($az, 32, 32));
        self::hash_update($hs, $message);
        $nonceHash = hash_final($hs, true);

# memmove(sig + 32, sk + 32, 32);
        $pk = self::substr($sk, 32, 32);

# sc_reduce(nonce);
        # ge_scalarmult_base(&R, nonce);
        # ge_p3_tobytes(sig, &R);
        $nonce = self::sc_reduce($nonceHash) . self::substr($nonceHash, 32);
        $sig = self::ge_p3_tobytes(
            self::ge_scalarmult_base($nonce)
        );

# crypto_hash_sha512_init(&hs);
        # crypto_hash_sha512_update(&hs, sig, 64);
        # crypto_hash_sha512_update(&hs, m, mlen);
        # crypto_hash_sha512_final(&hs, hram);
        $hs = hash_init('sha512');
        self::hash_update($hs, self::substr($sig, 0, 32));
        self::hash_update($hs, self::substr($pk, 0, 32));
        self::hash_update($hs, $message);
        $hramHash = hash_final($hs, true);

# sc_reduce(hram);
        # sc_muladd(sig + 32, hram, az, nonce);
        $hram = self::sc_reduce($hramHash);
        $sigAfter = self::sc_muladd($hram, $az, $nonce);
        $sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32);

try {
            ParagonIE_Sodium_Compat::memzero($az);
        } catch (SodiumException $ex) {
            $az = null;
        }
        return $sig;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $sig
     * @param string $message
     * @param string $pk
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    public static function verify_detached($sig, $message, $pk)
    {
        if (self::strlen($sig) < 64) {
            throw new SodiumException('Signature is too short');
        }
        if ((self::chrToInt($sig[63]) & 240) && self::check_S_lt_L(self::substr($sig, 32, 32))) {
            throw new SodiumException('S < L - Invalid signature');
        }
        if (self::small_order($sig)) {
            throw new SodiumException('Signature is on too small of an order');
        }
        if ((self::chrToInt($sig[63]) & 224) !== 0) {
            throw new SodiumException('Invalid signature');
        }
        $d = 0;
        for ($i = 0; $i < 32; ++$i) {
            $d |= self::chrToInt($pk[$i]);
        }
        if ($d === 0) {
            throw new SodiumException('All zero public key');
        }

/** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */
        $orig = ParagonIE_Sodium_Compat::$fastMult;

// Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification.
        ParagonIE_Sodium_Compat::$fastMult = true;

/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A */
        $A = self::ge_frombytes_negate_vartime($pk);

/** @var string $hDigest */
        $hDigest = hash(
            'sha512',
            self::substr($sig, 0, 32) .
            self::substr($pk, 0, 32) .
            $message,
            true
        );

/** @var string $h */
        $h = self::sc_reduce($hDigest) . self::substr($hDigest, 32);

/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $R */
        $R = self::ge_double_scalarmult_vartime(
            $h,
            $A,
            self::substr($sig, 32)
        );

/** @var string $rcheck */
        $rcheck = self::ge_tobytes($R);

// Reset ParagonIE_Sodium_Compat::$fastMult to what it was before.
        ParagonIE_Sodium_Compat::$fastMult = $orig;

return self::verify_32($rcheck, self::substr($sig, 0, 32));
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $S
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    public static function check_S_lt_L($S)
    {
        if (self::strlen($S) < 32) {
            throw new SodiumException('Signature must be 32 bytes');
        }
        static $L = array(
            0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58,
            0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10
        );
        /** @var array<int, int> $L */
        $c = 0;
        $n = 1;
        $i = 32;

do {
            --$i;
            $x = self::chrToInt($S[$i]);
            $c |= (
                (($x - $L[$i]) >> 8) & $n
            );
            $n &= (
                (($x ^ $L[$i]) - 1) >> 8
            );
        } while ($i !== 0);

return $c === 0;
    }

/**
     * @param string $R
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    public static function small_order($R)
    {
        static $blocklist = array(
            /* 0 (order 4) */
            array(
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
            ),
            /* 1 (order 1) */
            array(
                0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
            ),
            /* 2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */
            array(
                0x26, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0,
                0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0,
                0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39,
                0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x05
            ),
            /* 55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */
            array(
                0xc7, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f,
                0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f,
                0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6,
                0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0x7a
            ),
            /* p-1 (order 2) */
            array(
                0x13, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0,
                0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0,
                0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39,
                0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x85
            ),
            /* p (order 4) */
            array(
                0xb4, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f,
                0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f,
                0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6,
                0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0xfa
            ),
            /* p+1 (order 1) */
            array(
                0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
            ),
            /* p+2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */
            array(
                0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
            ),
            /* p+55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */
            array(
                0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
            ),
            /* 2p-1 (order 2) */
            array(
                0xd9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
            ),
            /* 2p (order 4) */
            array(
                0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
            ),
            /* 2p+1 (order 1) */
            array(
                0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
            )
        );
        /** @var array<int, array<int, int>> $blocklist */
        $countBlocklist = count($blocklist);

for ($i = 0; $i < $countBlocklist; ++$i) {
            $c = 0;
            for ($j = 0; $j < 32; ++$j) {
                $c |= self::chrToInt($R[$j]) ^ $blocklist[$i][$j];
            }
            if ($c === 0) {
                return true;
            }
        }
        return false;
    }
}
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if (class_exists('ParagonIE_Sodium_Core32_Curve25519', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Curve25519
 *
 * Implements Curve25519 core functions
 *
 * Based on the ref10 curve25519 code provided by libsodium
 *
 * @ref https://github.com/jedisct1/libsodium/blob/master/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c
 */
abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core32_Curve25519_H
{
    /**
     * Get a field element of size 10 with a value of 0
     *
     * @internal You should not use this directly from another application
     *
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fe_0()
    {
        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
            array(
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32()
            )
        );
    }

/**
     * Get a field element of size 10 with a value of 1
     *
     * @internal You should not use this directly from another application
     *
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fe_1()
    {
        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
            array(
                ParagonIE_Sodium_Core32_Int32::fromInt(1),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32(),
                new ParagonIE_Sodium_Core32_Int32()
            )
        );
    }

/**
     * Add two field elements.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_add(
        ParagonIE_Sodium_Core32_Curve25519_Fe $f,
        ParagonIE_Sodium_Core32_Curve25519_Fe $g
    ) {
        $arr = array();
        for ($i = 0; $i < 10; ++$i) {
            $arr[$i] = $f[$i]->addInt32($g[$i]);
        }
        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $arr */
        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($arr);
    }

/**
     * Constant-time conditional move.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
     * @param int $b
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_cmov(
        ParagonIE_Sodium_Core32_Curve25519_Fe $f,
        ParagonIE_Sodium_Core32_Curve25519_Fe $g,
        $b = 0
    ) {
        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */
        $h = array();
        for ($i = 0; $i < 10; ++$i) {
            if (!($f[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {
                throw new TypeError('Expected Int32');
            }
            if (!($g[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {
                throw new TypeError('Expected Int32');
            }
            $h[$i] = $f[$i]->xorInt32(
                $f[$i]->xorInt32($g[$i])->mask($b)
            );
        }
        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */
        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h);
    }

/**
     * Create a copy of a field element.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public static function fe_copy(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
    {
        $h = clone $f;
        return $h;
    }

/**
     * Give: 32-byte string.
     * Receive: A field element object to use for internal calculations.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $s
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws RangeException
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_frombytes($s)
    {
        if (self::strlen($s) !== 32) {
            throw new RangeException('Expected a 32-byte string.');
        }
        /** @var ParagonIE_Sodium_Core32_Int32 $h0 */
        $h0 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_4($s)
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h1 */
        $h1 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_3(self::substr($s, 4, 3)) << 6
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h2 */
        $h2 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_3(self::substr($s, 7, 3)) << 5
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h3 */
        $h3 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_3(self::substr($s, 10, 3)) << 3
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h4 */
        $h4 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_3(self::substr($s, 13, 3)) << 2
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h5 */
        $h5 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_4(self::substr($s, 16, 4))
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h6 */
        $h6 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_3(self::substr($s, 20, 3)) << 7
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h7 */
        $h7 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_3(self::substr($s, 23, 3)) << 5
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h8 */
        $h8 = ParagonIE_Sodium_Core32_Int32::fromInt(
            self::load_3(self::substr($s, 26, 3)) << 4
        );
        /** @var ParagonIE_Sodium_Core32_Int32 $h9 */
        $h9 = ParagonIE_Sodium_Core32_Int32::fromInt(
            (self::load_3(self::substr($s, 29, 3)) & 8388607) << 2
        );

$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
        $h0 = $h0->addInt32($carry9->mulInt(19, 5));
        $h9 = $h9->subInt32($carry9->shiftLeft(25));

$carry1 = $h1->addInt(1 << 24)->shiftRight(25);
        $h2 = $h2->addInt32($carry1);
        $h1 = $h1->subInt32($carry1->shiftLeft(25));

$carry3 = $h3->addInt(1 << 24)->shiftRight(25);
        $h4 = $h4->addInt32($carry3);
        $h3 = $h3->subInt32($carry3->shiftLeft(25));

$carry5 = $h5->addInt(1 << 24)->shiftRight(25);
        $h6 = $h6->addInt32($carry5);
        $h5 = $h5->subInt32($carry5->shiftLeft(25));

$carry7 = $h7->addInt(1 << 24)->shiftRight(25);
        $h8 = $h8->addInt32($carry7);
        $h7 = $h7->subInt32($carry7->shiftLeft(25));

$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
        $h1 = $h1->addInt32($carry0);
        $h0 = $h0->subInt32($carry0->shiftLeft(26));

$carry2 = $h2->addInt(1 << 25)->shiftRight(26);
        $h3 = $h3->addInt32($carry2);
        $h2 = $h2->subInt32($carry2->shiftLeft(26));

$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
        $h5 = $h5->addInt32($carry4);
        $h4 = $h4->subInt32($carry4->shiftLeft(26));

$carry6 = $h6->addInt(1 << 25)->shiftRight(26);
        $h7 = $h7->addInt32($carry6);
        $h6 = $h6->subInt32($carry6->shiftLeft(26));

$carry8 = $h8->addInt(1 << 25)->shiftRight(26);
        $h9 = $h9->addInt32($carry8);
        $h8 = $h8->subInt32($carry8->shiftLeft(26));

return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
            array($h0, $h1, $h2,$h3, $h4, $h5, $h6, $h7, $h8, $h9)
        );
    }

/**
     * Convert a field element to a byte string.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $h
     * @return string
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_tobytes(ParagonIE_Sodium_Core32_Curve25519_Fe $h)
    {
        /**
         * @var ParagonIE_Sodium_Core32_Int64[] $f
         * @var ParagonIE_Sodium_Core32_Int64 $q
         */
        $f = array();

for ($i = 0; $i < 10; ++$i) {
            $f[$i] = $h[$i]->toInt64();
        }

$q = $f[9]->mulInt(19, 5)->addInt(1 << 14)->shiftRight(25)
            ->addInt64($f[0])->shiftRight(26)
            ->addInt64($f[1])->shiftRight(25)
            ->addInt64($f[2])->shiftRight(26)
            ->addInt64($f[3])->shiftRight(25)
            ->addInt64($f[4])->shiftRight(26)
            ->addInt64($f[5])->shiftRight(25)
            ->addInt64($f[6])->shiftRight(26)
            ->addInt64($f[7])->shiftRight(25)
            ->addInt64($f[8])->shiftRight(26)
            ->addInt64($f[9])->shiftRight(25);

$f[0] = $f[0]->addInt64($q->mulInt(19, 5));

$carry0 = $f[0]->shiftRight(26);
        $f[1] = $f[1]->addInt64($carry0);
        $f[0] = $f[0]->subInt64($carry0->shiftLeft(26));

$carry1 = $f[1]->shiftRight(25);
        $f[2] = $f[2]->addInt64($carry1);
        $f[1] = $f[1]->subInt64($carry1->shiftLeft(25));

$carry2 = $f[2]->shiftRight(26);
        $f[3] = $f[3]->addInt64($carry2);
        $f[2] = $f[2]->subInt64($carry2->shiftLeft(26));

$carry3 = $f[3]->shiftRight(25);
        $f[4] = $f[4]->addInt64($carry3);
        $f[3] = $f[3]->subInt64($carry3->shiftLeft(25));

$carry4 = $f[4]->shiftRight(26);
        $f[5] = $f[5]->addInt64($carry4);
        $f[4] = $f[4]->subInt64($carry4->shiftLeft(26));

$carry5 = $f[5]->shiftRight(25);
        $f[6] = $f[6]->addInt64($carry5);
        $f[5] = $f[5]->subInt64($carry5->shiftLeft(25));

$carry6 = $f[6]->shiftRight(26);
        $f[7] = $f[7]->addInt64($carry6);
        $f[6] = $f[6]->subInt64($carry6->shiftLeft(26));

$carry7 = $f[7]->shiftRight(25);
        $f[8] = $f[8]->addInt64($carry7);
        $f[7] = $f[7]->subInt64($carry7->shiftLeft(25));

$carry8 = $f[8]->shiftRight(26);
        $f[9] = $f[9]->addInt64($carry8);
        $f[8] = $f[8]->subInt64($carry8->shiftLeft(26));

$carry9 = $f[9]->shiftRight(25);
        $f[9] = $f[9]->subInt64($carry9->shiftLeft(25));

$h0 = $f[0]->toInt32()->toInt();
        $h1 = $f[1]->toInt32()->toInt();
        $h2 = $f[2]->toInt32()->toInt();
        $h3 = $f[3]->toInt32()->toInt();
        $h4 = $f[4]->toInt32()->toInt();
        $h5 = $f[5]->toInt32()->toInt();
        $h6 = $f[6]->toInt32()->toInt();
        $h7 = $f[7]->toInt32()->toInt();
        $h8 = $f[8]->toInt32()->toInt();
        $h9 = $f[9]->toInt32()->toInt();

/**
         * @var array<int, int>
         */
        $s = array(
            (int) (($h0 >> 0) & 0xff),
            (int) (($h0 >> 8) & 0xff),
            (int) (($h0 >> 16) & 0xff),
            (int) ((($h0 >> 24) | ($h1 << 2)) & 0xff),
            (int) (($h1 >> 6) & 0xff),
            (int) (($h1 >> 14) & 0xff),
            (int) ((($h1 >> 22) | ($h2 << 3)) & 0xff),
            (int) (($h2 >> 5) & 0xff),
            (int) (($h2 >> 13) & 0xff),
            (int) ((($h2 >> 21) | ($h3 << 5)) & 0xff),
            (int) (($h3 >> 3) & 0xff),
            (int) (($h3 >> 11) & 0xff),
            (int) ((($h3 >> 19) | ($h4 << 6)) & 0xff),
            (int) (($h4 >> 2) & 0xff),
            (int) (($h4 >> 10) & 0xff),
            (int) (($h4 >> 18) & 0xff),
            (int) (($h5 >> 0) & 0xff),
            (int) (($h5 >> 8) & 0xff),
            (int) (($h5 >> 16) & 0xff),
            (int) ((($h5 >> 24) | ($h6 << 1)) & 0xff),
            (int) (($h6 >> 7) & 0xff),
            (int) (($h6 >> 15) & 0xff),
            (int) ((($h6 >> 23) | ($h7 << 3)) & 0xff),
            (int) (($h7 >> 5) & 0xff),
            (int) (($h7 >> 13) & 0xff),
            (int) ((($h7 >> 21) | ($h8 << 4)) & 0xff),
            (int) (($h8 >> 4) & 0xff),
            (int) (($h8 >> 12) & 0xff),
            (int) ((($h8 >> 20) | ($h9 << 6)) & 0xff),
            (int) (($h9 >> 2) & 0xff),
            (int) (($h9 >> 10) & 0xff),
            (int) (($h9 >> 18) & 0xff)
        );
        return self::intArrayToString($s);
    }

/**
     * Is a field element negative? (1 = yes, 0 = no. Used in calculations.)
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @return int
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fe_isnegative(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
    {
        $str = self::fe_tobytes($f);
        return (int) (self::chrToInt($str[0]) & 1);
    }

/**
     * Returns 0 if this field element results in all NUL bytes.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fe_isnonzero(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
    {
        static $zero;
        if ($zero === null) {
            $zero = str_repeat("\x00", 32);
        }
        $str = self::fe_tobytes($f);
        /** @var string $zero */
        return !self::verify_32($str, $zero);
    }

/**
     * Multiply two field elements
     *
     * h = f * g
     *
     * @internal You should not use this directly from another application
     *
     * @security Is multiplication a source of timing leaks? If so, can we do
     *           anything to prevent that from happening?
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fe_mul(
        ParagonIE_Sodium_Core32_Curve25519_Fe $f,
        ParagonIE_Sodium_Core32_Curve25519_Fe $g
    ) {
        /**
         * @var ParagonIE_Sodium_Core32_Int32[] $f
         * @var ParagonIE_Sodium_Core32_Int32[] $g
         * @var ParagonIE_Sodium_Core32_Int64 $f0
         * @var ParagonIE_Sodium_Core32_Int64 $f1
         * @var ParagonIE_Sodium_Core32_Int64 $f2
         * @var ParagonIE_Sodium_Core32_Int64 $f3
         * @var ParagonIE_Sodium_Core32_Int64 $f4
         * @var ParagonIE_Sodium_Core32_Int64 $f5
         * @var ParagonIE_Sodium_Core32_Int64 $f6
         * @var ParagonIE_Sodium_Core32_Int64 $f7
         * @var ParagonIE_Sodium_Core32_Int64 $f8
         * @var ParagonIE_Sodium_Core32_Int64 $f9
         * @var ParagonIE_Sodium_Core32_Int64 $g0
         * @var ParagonIE_Sodium_Core32_Int64 $g1
         * @var ParagonIE_Sodium_Core32_Int64 $g2
         * @var ParagonIE_Sodium_Core32_Int64 $g3
         * @var ParagonIE_Sodium_Core32_Int64 $g4
         * @var ParagonIE_Sodium_Core32_Int64 $g5
         * @var ParagonIE_Sodium_Core32_Int64 $g6
         * @var ParagonIE_Sodium_Core32_Int64 $g7
         * @var ParagonIE_Sodium_Core32_Int64 $g8
         * @var ParagonIE_Sodium_Core32_Int64 $g9
         */
        $f0 = $f[0]->toInt64();
        $f1 = $f[1]->toInt64();
        $f2 = $f[2]->toInt64();
        $f3 = $f[3]->toInt64();
        $f4 = $f[4]->toInt64();
        $f5 = $f[5]->toInt64();
        $f6 = $f[6]->toInt64();
        $f7 = $f[7]->toInt64();
        $f8 = $f[8]->toInt64();
        $f9 = $f[9]->toInt64();
        $g0 = $g[0]->toInt64();
        $g1 = $g[1]->toInt64();
        $g2 = $g[2]->toInt64();
        $g3 = $g[3]->toInt64();
        $g4 = $g[4]->toInt64();
        $g5 = $g[5]->toInt64();
        $g6 = $g[6]->toInt64();
        $g7 = $g[7]->toInt64();
        $g8 = $g[8]->toInt64();
        $g9 = $g[9]->toInt64();
        $g1_19 = $g1->mulInt(19, 5); /* 2^4 <= 19 <= 2^5, but we only want 5 bits */
        $g2_19 = $g2->mulInt(19, 5);
        $g3_19 = $g3->mulInt(19, 5);
        $g4_19 = $g4->mulInt(19, 5);
        $g5_19 = $g5->mulInt(19, 5);
        $g6_19 = $g6->mulInt(19, 5);
        $g7_19 = $g7->mulInt(19, 5);
        $g8_19 = $g8->mulInt(19, 5);
        $g9_19 = $g9->mulInt(19, 5);
        $f1_2 = $f1->shiftLeft(1);
        $f3_2 = $f3->shiftLeft(1);
        $f5_2 = $f5->shiftLeft(1);
        $f7_2 = $f7->shiftLeft(1);
        $f9_2 = $f9->shiftLeft(1);
        $f0g0    = $f0->mulInt64($g0, 27);
        $f0g1    = $f0->mulInt64($g1, 27);
        $f0g2    = $f0->mulInt64($g2, 27);
        $f0g3    = $f0->mulInt64($g3, 27);
        $f0g4    = $f0->mulInt64($g4, 27);
        $f0g5    = $f0->mulInt64($g5, 27);
        $f0g6    = $f0->mulInt64($g6, 27);
        $f0g7    = $f0->mulInt64($g7, 27);
        $f0g8    = $f0->mulInt64($g8, 27);
        $f0g9    = $f0->mulInt64($g9, 27);
        $f1g0    = $f1->mulInt64($g0, 27);
        $f1g1_2  = $f1_2->mulInt64($g1, 27);
        $f1g2    = $f1->mulInt64($g2, 27);
        $f1g3_2  = $f1_2->mulInt64($g3, 27);
        $f1g4    = $f1->mulInt64($g4, 30);
        $f1g5_2  = $f1_2->mulInt64($g5, 30);
        $f1g6    = $f1->mulInt64($g6, 30);
        $f1g7_2  = $f1_2->mulInt64($g7, 30);
        $f1g8    = $f1->mulInt64($g8, 30);
        $f1g9_38 = $g9_19->mulInt64($f1_2, 30);
        $f2g0    = $f2->mulInt64($g0, 30);
        $f2g1    = $f2->mulInt64($g1, 29);
        $f2g2    = $f2->mulInt64($g2, 30);
        $f2g3    = $f2->mulInt64($g3, 29);
        $f2g4    = $f2->mulInt64($g4, 30);
        $f2g5    = $f2->mulInt64($g5, 29);
        $f2g6    = $f2->mulInt64($g6, 30);
        $f2g7    = $f2->mulInt64($g7, 29);
        $f2g8_19 = $g8_19->mulInt64($f2, 30);
        $f2g9_19 = $g9_19->mulInt64($f2, 30);
        $f3g0    = $f3->mulInt64($g0, 30);
        $f3g1_2  = $f3_2->mulInt64($g1, 30);
        $f3g2    = $f3->mulInt64($g2, 30);
        $f3g3_2  = $f3_2->mulInt64($g3, 30);
        $f3g4    = $f3->mulInt64($g4, 30);
        $f3g5_2  = $f3_2->mulInt64($g5, 30);
        $f3g6    = $f3->mulInt64($g6, 30);
        $f3g7_38 = $g7_19->mulInt64($f3_2, 30);
        $f3g8_19 = $g8_19->mulInt64($f3, 30);
        $f3g9_38 = $g9_19->mulInt64($f3_2, 30);
        $f4g0    = $f4->mulInt64($g0, 30);
        $f4g1    = $f4->mulInt64($g1, 30);
        $f4g2    = $f4->mulInt64($g2, 30);
        $f4g3    = $f4->mulInt64($g3, 30);
        $f4g4    = $f4->mulInt64($g4, 30);
        $f4g5    = $f4->mulInt64($g5, 30);
        $f4g6_19 = $g6_19->mulInt64($f4, 30);
        $f4g7_19 = $g7_19->mulInt64($f4, 30);
        $f4g8_19 = $g8_19->mulInt64($f4, 30);
        $f4g9_19 = $g9_19->mulInt64($f4, 30);
        $f5g0    = $f5->mulInt64($g0, 30);
        $f5g1_2  = $f5_2->mulInt64($g1, 30);
        $f5g2    = $f5->mulInt64($g2, 30);
        $f5g3_2  = $f5_2->mulInt64($g3, 30);
        $f5g4    = $f5->mulInt64($g4, 30);
        $f5g5_38 = $g5_19->mulInt64($f5_2, 30);
        $f5g6_19 = $g6_19->mulInt64($f5, 30);
        $f5g7_38 = $g7_19->mulInt64($f5_2, 30);
        $f5g8_19 = $g8_19->mulInt64($f5, 30);
        $f5g9_38 = $g9_19->mulInt64($f5_2, 30);
        $f6g0    = $f6->mulInt64($g0, 30);
        $f6g1    = $f6->mulInt64($g1, 30);
        $f6g2    = $f6->mulInt64($g2, 30);
        $f6g3    = $f6->mulInt64($g3, 30);
        $f6g4_19 = $g4_19->mulInt64($f6, 30);
        $f6g5_19 = $g5_19->mulInt64($f6, 30);
        $f6g6_19 = $g6_19->mulInt64($f6, 30);
        $f6g7_19 = $g7_19->mulInt64($f6, 30);
        $f6g8_19 = $g8_19->mulInt64($f6, 30);
        $f6g9_19 = $g9_19->mulInt64($f6, 30);
        $f7g0    = $f7->mulInt64($g0, 30);
        $f7g1_2  = $g1->mulInt64($f7_2, 30);
        $f7g2    = $f7->mulInt64($g2, 30);
        $f7g3_38 = $g3_19->mulInt64($f7_2, 30);
        $f7g4_19 = $g4_19->mulInt64($f7, 30);
        $f7g5_38 = $g5_19->mulInt64($f7_2, 30);
        $f7g6_19 = $g6_19->mulInt64($f7, 30);
        $f7g7_38 = $g7_19->mulInt64($f7_2, 30);
        $f7g8_19 = $g8_19->mulInt64($f7, 30);
        $f7g9_38 = $g9_19->mulInt64($f7_2, 30);
        $f8g0    = $f8->mulInt64($g0, 30);
        $f8g1    = $f8->mulInt64($g1, 29);
        $f8g2_19 = $g2_19->mulInt64($f8, 30);
        $f8g3_19 = $g3_19->mulInt64($f8, 30);
        $f8g4_19 = $g4_19->mulInt64($f8, 30);
        $f8g5_19 = $g5_19->mulInt64($f8, 30);
        $f8g6_19 = $g6_19->mulInt64($f8, 30);
        $f8g7_19 = $g7_19->mulInt64($f8, 30);
        $f8g8_19 = $g8_19->mulInt64($f8, 30);
        $f8g9_19 = $g9_19->mulInt64($f8, 30);
        $f9g0    = $f9->mulInt64($g0, 30);
        $f9g1_38 = $g1_19->mulInt64($f9_2, 30);
        $f9g2_19 = $g2_19->mulInt64($f9, 30);
        $f9g3_38 = $g3_19->mulInt64($f9_2, 30);
        $f9g4_19 = $g4_19->mulInt64($f9, 30);
        $f9g5_38 = $g5_19->mulInt64($f9_2, 30);
        $f9g6_19 = $g6_19->mulInt64($f9, 30);
        $f9g7_38 = $g7_19->mulInt64($f9_2, 30);
        $f9g8_19 = $g8_19->mulInt64($f9, 30);
        $f9g9_38 = $g9_19->mulInt64($f9_2, 30);

// $h0 = $f0g0 + $f1g9_38 + $f2g8_19 + $f3g7_38 + $f4g6_19 + $f5g5_38 + $f6g4_19 + $f7g3_38 + $f8g2_19 + $f9g1_38;
        $h0 = $f0g0->addInt64($f1g9_38)->addInt64($f2g8_19)->addInt64($f3g7_38)
            ->addInt64($f4g6_19)->addInt64($f5g5_38)->addInt64($f6g4_19)
            ->addInt64($f7g3_38)->addInt64($f8g2_19)->addInt64($f9g1_38);

// $h1 = $f0g1 + $f1g0    + $f2g9_19 + $f3g8_19 + $f4g7_19 + $f5g6_19 + $f6g5_19 + $f7g4_19 + $f8g3_19 + $f9g2_19;
        $h1 = $f0g1->addInt64($f1g0)->addInt64($f2g9_19)->addInt64($f3g8_19)
            ->addInt64($f4g7_19)->addInt64($f5g6_19)->addInt64($f6g5_19)
            ->addInt64($f7g4_19)->addInt64($f8g3_19)->addInt64($f9g2_19);

// $h2 = $f0g2 + $f1g1_2  + $f2g0    + $f3g9_38 + $f4g8_19 + $f5g7_38 + $f6g6_19 + $f7g5_38 + $f8g4_19 + $f9g3_38;
        $h2 = $f0g2->addInt64($f1g1_2)->addInt64($f2g0)->addInt64($f3g9_38)
            ->addInt64($f4g8_19)->addInt64($f5g7_38)->addInt64($f6g6_19)
            ->addInt64($f7g5_38)->addInt64($f8g4_19)->addInt64($f9g3_38);

// $h3 = $f0g3 + $f1g2    + $f2g1    + $f3g0    + $f4g9_19 + $f5g8_19 + $f6g7_19 + $f7g6_19 + $f8g5_19 + $f9g4_19;
        $h3 = $f0g3->addInt64($f1g2)->addInt64($f2g1)->addInt64($f3g0)
            ->addInt64($f4g9_19)->addInt64($f5g8_19)->addInt64($f6g7_19)
            ->addInt64($f7g6_19)->addInt64($f8g5_19)->addInt64($f9g4_19);

// $h4 = $f0g4 + $f1g3_2  + $f2g2    + $f3g1_2  + $f4g0    + $f5g9_38 + $f6g8_19 + $f7g7_38 + $f8g6_19 + $f9g5_38;
        $h4 = $f0g4->addInt64($f1g3_2)->addInt64($f2g2)->addInt64($f3g1_2)
            ->addInt64($f4g0)->addInt64($f5g9_38)->addInt64($f6g8_19)
            ->addInt64($f7g7_38)->addInt64($f8g6_19)->addInt64($f9g5_38);

// $h5 = $f0g5 + $f1g4    + $f2g3    + $f3g2    + $f4g1    + $f5g0    + $f6g9_19 + $f7g8_19 + $f8g7_19 + $f9g6_19;
        $h5 = $f0g5->addInt64($f1g4)->addInt64($f2g3)->addInt64($f3g2)
            ->addInt64($f4g1)->addInt64($f5g0)->addInt64($f6g9_19)
            ->addInt64($f7g8_19)->addInt64($f8g7_19)->addInt64($f9g6_19);

// $h6 = $f0g6 + $f1g5_2  + $f2g4    + $f3g3_2  + $f4g2    + $f5g1_2  + $f6g0    + $f7g9_38 + $f8g8_19 + $f9g7_38;
        $h6 = $f0g6->addInt64($f1g5_2)->addInt64($f2g4)->addInt64($f3g3_2)
            ->addInt64($f4g2)->addInt64($f5g1_2)->addInt64($f6g0)
            ->addInt64($f7g9_38)->addInt64($f8g8_19)->addInt64($f9g7_38);

// $h7 = $f0g7 + $f1g6    + $f2g5    + $f3g4    + $f4g3    + $f5g2    + $f6g1    + $f7g0    + $f8g9_19 + $f9g8_19;
        $h7 = $f0g7->addInt64($f1g6)->addInt64($f2g5)->addInt64($f3g4)
            ->addInt64($f4g3)->addInt64($f5g2)->addInt64($f6g1)
            ->addInt64($f7g0)->addInt64($f8g9_19)->addInt64($f9g8_19);

// $h8 = $f0g8 + $f1g7_2  + $f2g6    + $f3g5_2  + $f4g4    + $f5g3_2  + $f6g2    + $f7g1_2  + $f8g0    + $f9g9_38;
        $h8 = $f0g8->addInt64($f1g7_2)->addInt64($f2g6)->addInt64($f3g5_2)
            ->addInt64($f4g4)->addInt64($f5g3_2)->addInt64($f6g2)
            ->addInt64($f7g1_2)->addInt64($f8g0)->addInt64($f9g9_38);

// $h9 = $f0g9 + $f1g8    + $f2g7    + $f3g6    + $f4g5    + $f5g4    + $f6g3    + $f7g2    + $f8g1    + $f9g0   ;
        $h9 = $f0g9->addInt64($f1g8)->addInt64($f2g7)->addInt64($f3g6)
            ->addInt64($f4g5)->addInt64($f5g4)->addInt64($f6g3)
            ->addInt64($f7g2)->addInt64($f8g1)->addInt64($f9g0);

/**
         * @var ParagonIE_Sodium_Core32_Int64 $h0
         * @var ParagonIE_Sodium_Core32_Int64 $h1
         * @var ParagonIE_Sodium_Core32_Int64 $h2
         * @var ParagonIE_Sodium_Core32_Int64 $h3
         * @var ParagonIE_Sodium_Core32_Int64 $h4
         * @var ParagonIE_Sodium_Core32_Int64 $h5
         * @var ParagonIE_Sodium_Core32_Int64 $h6
         * @var ParagonIE_Sodium_Core32_Int64 $h7
         * @var ParagonIE_Sodium_Core32_Int64 $h8
         * @var ParagonIE_Sodium_Core32_Int64 $h9
         * @var ParagonIE_Sodium_Core32_Int64 $carry0
         * @var ParagonIE_Sodium_Core32_Int64 $carry1
         * @var ParagonIE_Sodium_Core32_Int64 $carry2
         * @var ParagonIE_Sodium_Core32_Int64 $carry3
         * @var ParagonIE_Sodium_Core32_Int64 $carry4
         * @var ParagonIE_Sodium_Core32_Int64 $carry5
         * @var ParagonIE_Sodium_Core32_Int64 $carry6
         * @var ParagonIE_Sodium_Core32_Int64 $carry7
         * @var ParagonIE_Sodium_Core32_Int64 $carry8
         * @var ParagonIE_Sodium_Core32_Int64 $carry9
         */
        $carry0 = $h0->addInt(1 << 25)->shiftRight(26);
        $h1 = $h1->addInt64($carry0);
        $h0 = $h0->subInt64($carry0->shiftLeft(26));
        $carry4 = $h4->addInt(1 << 25)->shiftRight(26);
        $h5 = $h5->addInt64($carry4);
        $h4 = $h4->subInt64($carry4->shiftLeft(26));

$carry1 = $h1->addInt(1 << 24)->shiftRight(25);
        $h2 = $h2->addInt64($carry1);
        $h1 = $h1->subInt64($carry1->shiftLeft(25));
        $carry5 = $h5->addInt(1 << 24)->shiftRight(25);
        $h6 = $h6->addInt64($carry5);
        $h5 = $h5->subInt64($carry5->shiftLeft(25));

$carry2 = $h2->addInt(1 << 25)->shiftRight(26);
        $h3 = $h3->addInt64($carry2);
        $h2 = $h2->subInt64($carry2->shiftLeft(26));
        $carry6 = $h6->addInt(1 << 25)->shiftRight(26);
        $h7 = $h7->addInt64($carry6);
        $h6 = $h6->subInt64($carry6->shiftLeft(26));

$carry3 = $h3->addInt(1 << 24)->shiftRight(25);
        $h4 = $h4->addInt64($carry3);
        $h3 = $h3->subInt64($carry3->shiftLeft(25));
        $carry7 = $h7->addInt(1 << 24)->shiftRight(25);
        $h8 = $h8->addInt64($carry7);
        $h7 = $h7->subInt64($carry7->shiftLeft(25));

$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
        $h5 = $h5->addInt64($carry4);
        $h4 = $h4->subInt64($carry4->shiftLeft(26));
        $carry8 = $h8->addInt(1 << 25)->shiftRight(26);
        $h9 = $h9->addInt64($carry8);
        $h8 = $h8->subInt64($carry8->shiftLeft(26));

$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
        $h0 = $h0->addInt64($carry9->mulInt(19, 5));
        $h9 = $h9->subInt64($carry9->shiftLeft(25));

$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
        $h1 = $h1->addInt64($carry0);
        $h0 = $h0->subInt64($carry0->shiftLeft(26));

return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
            array(
                $h0->toInt32(),
                $h1->toInt32(),
                $h2->toInt32(),
                $h3->toInt32(),
                $h4->toInt32(),
                $h5->toInt32(),
                $h6->toInt32(),
                $h7->toInt32(),
                $h8->toInt32(),
                $h9->toInt32()
            )
        );
    }

/**
     * Get the negative values for each piece of the field element.
     *
     * h = -f
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_neg(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
    {
        $h = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        for ($i = 0; $i < 10; ++$i) {
            $h[$i] = $h[$i]->subInt32($f[$i]);
        }
        return $h;
    }

/**
     * Square a field element
     *
     * h = f * f
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_sq(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
    {
        $f0 = $f[0]->toInt64();
        $f1 = $f[1]->toInt64();
        $f2 = $f[2]->toInt64();
        $f3 = $f[3]->toInt64();
        $f4 = $f[4]->toInt64();
        $f5 = $f[5]->toInt64();
        $f6 = $f[6]->toInt64();
        $f7 = $f[7]->toInt64();
        $f8 = $f[8]->toInt64();
        $f9 = $f[9]->toInt64();

$f0f0    = $f0->mulInt64($f0, 28);
        $f0f1_2  = $f0_2->mulInt64($f1, 28);
        $f0f2_2 =  $f0_2->mulInt64($f2, 28);
        $f0f3_2 =  $f0_2->mulInt64($f3, 28);
        $f0f4_2 =  $f0_2->mulInt64($f4, 28);
        $f0f5_2 =  $f0_2->mulInt64($f5, 28);
        $f0f6_2 =  $f0_2->mulInt64($f6, 28);
        $f0f7_2 =  $f0_2->mulInt64($f7, 28);
        $f0f8_2 =  $f0_2->mulInt64($f8, 28);
        $f0f9_2 =  $f0_2->mulInt64($f9, 28);

$f1f1_2 = $f1_2->mulInt64($f1, 28);
        $f1f2_2 = $f1_2->mulInt64($f2, 28);
        $f1f3_4 = $f1_2->mulInt64($f3_2, 28);
        $f1f4_2 = $f1_2->mulInt64($f4, 28);
        $f1f5_4 = $f1_2->mulInt64($f5_2, 30);
        $f1f6_2 = $f1_2->mulInt64($f6, 28);
        $f1f7_4 = $f1_2->mulInt64($f7_2, 28);
        $f1f8_2 = $f1_2->mulInt64($f8, 28);
        $f1f9_76 = $f9_38->mulInt64($f1_2, 30);

$f2f2 = $f2->mulInt64($f2, 28);
        $f2f3_2 = $f2_2->mulInt64($f3, 28);
        $f2f4_2 = $f2_2->mulInt64($f4, 28);
        $f2f5_2 = $f2_2->mulInt64($f5, 28);
        $f2f6_2 = $f2_2->mulInt64($f6, 28);
        $f2f7_2 = $f2_2->mulInt64($f7, 28);
        $f2f8_38 = $f8_19->mulInt64($f2_2, 30);
        $f2f9_38 = $f9_38->mulInt64($f2, 30);

$f3f3_2 = $f3_2->mulInt64($f3, 28);
        $f3f4_2 = $f3_2->mulInt64($f4, 28);
        $f3f5_4 = $f3_2->mulInt64($f5_2, 30);
        $f3f6_2 = $f3_2->mulInt64($f6, 28);
        $f3f7_76 = $f7_38->mulInt64($f3_2, 30);
        $f3f8_38 = $f8_19->mulInt64($f3_2, 30);
        $f3f9_76 = $f9_38->mulInt64($f3_2, 30);

$f4f4 = $f4->mulInt64($f4, 28);
        $f4f5_2 = $f4_2->mulInt64($f5, 28);
        $f4f6_38 = $f6_19->mulInt64($f4_2, 30);
        $f4f7_38 = $f7_38->mulInt64($f4, 30);
        $f4f8_38 = $f8_19->mulInt64($f4_2, 30);
        $f4f9_38 = $f9_38->mulInt64($f4, 30);

$f5f5_38 = $f5_38->mulInt64($f5, 30);
        $f5f6_38 = $f6_19->mulInt64($f5_2, 30);
        $f5f7_76 = $f7_38->mulInt64($f5_2, 30);
        $f5f8_38 = $f8_19->mulInt64($f5_2, 30);
        $f5f9_76 = $f9_38->mulInt64($f5_2, 30);

$f6f6_19 = $f6_19->mulInt64($f6, 30);
        $f6f7_38 = $f7_38->mulInt64($f6, 30);
        $f6f8_38 = $f8_19->mulInt64($f6_2, 30);
        $f6f9_38 = $f9_38->mulInt64($f6, 30);

$f7f7_38 = $f7_38->mulInt64($f7, 28);
        $f7f8_38 = $f8_19->mulInt64($f7_2, 30);
        $f7f9_76 = $f9_38->mulInt64($f7_2, 30);

$f8f8_19 = $f8_19->mulInt64($f8, 30);
        $f8f9_38 = $f9_38->mulInt64($f8, 30);

$f9f9_38 = $f9_38->mulInt64($f9, 28);

$h0 = $f0f0->addInt64($f1f9_76)->addInt64($f2f8_38)->addInt64($f3f7_76)->addInt64($f4f6_38)->addInt64($f5f5_38);
        $h1 = $f0f1_2->addInt64($f2f9_38)->addInt64($f3f8_38)->addInt64($f4f7_38)->addInt64($f5f6_38);
        $h2 = $f0f2_2->addInt64($f1f1_2)->addInt64($f3f9_76)->addInt64($f4f8_38)->addInt64($f5f7_76)->addInt64($f6f6_19);
        $h3 = $f0f3_2->addInt64($f1f2_2)->addInt64($f4f9_38)->addInt64($f5f8_38)->addInt64($f6f7_38);
        $h4 = $f0f4_2->addInt64($f1f3_4)->addInt64($f2f2)->addInt64($f5f9_76)->addInt64($f6f8_38)->addInt64($f7f7_38);
        $h5 = $f0f5_2->addInt64($f1f4_2)->addInt64($f2f3_2)->addInt64($f6f9_38)->addInt64($f7f8_38);
        $h6 = $f0f6_2->addInt64($f1f5_4)->addInt64($f2f4_2)->addInt64($f3f3_2)->addInt64($f7f9_76)->addInt64($f8f8_19);
        $h7 = $f0f7_2->addInt64($f1f6_2)->addInt64($f2f5_2)->addInt64($f3f4_2)->addInt64($f8f9_38);
        $h8 = $f0f8_2->addInt64($f1f7_4)->addInt64($f2f6_2)->addInt64($f3f5_4)->addInt64($f4f4)->addInt64($f9f9_38);
        $h9 = $f0f9_2->addInt64($f1f8_2)->addInt64($f2f7_2)->addInt64($f3f6_2)->addInt64($f4f5_2);

$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
        $h1 = $h1->addInt64($carry0);
        $h0 = $h0->subInt64($carry0->shiftLeft(26));

$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
        $h5 = $h5->addInt64($carry4);
        $h4 = $h4->subInt64($carry4->shiftLeft(26));

$carry1 = $h1->addInt(1 << 24)->shiftRight(25);
        $h2 = $h2->addInt64($carry1);
        $h1 = $h1->subInt64($carry1->shiftLeft(25));

$carry5 = $h5->addInt(1 << 24)->shiftRight(25);
        $h6 = $h6->addInt64($carry5);
        $h5 = $h5->subInt64($carry5->shiftLeft(25));

$carry2 = $h2->addInt(1 << 25)->shiftRight(26);
        $h3 = $h3->addInt64($carry2);
        $h2 = $h2->subInt64($carry2->shiftLeft(26));

$carry6 = $h6->addInt(1 << 25)->shiftRight(26);
        $h7 = $h7->addInt64($carry6);
        $h6 = $h6->subInt64($carry6->shiftLeft(26));

$carry3 = $h3->addInt(1 << 24)->shiftRight(25);
        $h4 = $h4->addInt64($carry3);
        $h3 = $h3->subInt64($carry3->shiftLeft(25));

$carry7 = $h7->addInt(1 << 24)->shiftRight(25);
        $h8 = $h8->addInt64($carry7);
        $h7 = $h7->subInt64($carry7->shiftLeft(25));

$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
        $h5 = $h5->addInt64($carry4);
        $h4 = $h4->subInt64($carry4->shiftLeft(26));

$carry8 = $h8->addInt(1 << 25)->shiftRight(26);
        $h9 = $h9->addInt64($carry8);
        $h8 = $h8->subInt64($carry8->shiftLeft(26));

$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
        $h0 = $h0->addInt64($carry9->mulInt(19, 5));
        $h9 = $h9->subInt64($carry9->shiftLeft(25));

$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
        $h1 = $h1->addInt64($carry0);
        $h0 = $h0->subInt64($carry0->shiftLeft(26));

/**
     * Square and double a field element
     *
     * h = 2 * f * f
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_sq2(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
    {
        $f0 = $f[0]->toInt64();
        $f1 = $f[1]->toInt64();
        $f2 = $f[2]->toInt64();
        $f3 = $f[3]->toInt64();
        $f4 = $f[4]->toInt64();
        $f5 = $f[5]->toInt64();
        $f6 = $f[6]->toInt64();
        $f7 = $f[7]->toInt64();
        $f8 = $f[8]->toInt64();
        $f9 = $f[9]->toInt64();

$f0_2 = $f0->shiftLeft(1);
        $f1_2 = $f1->shiftLeft(1);
        $f2_2 = $f2->shiftLeft(1);
        $f3_2 = $f3->shiftLeft(1);
        $f4_2 = $f4->shiftLeft(1);
        $f5_2 = $f5->shiftLeft(1);
        $f6_2 = $f6->shiftLeft(1);
        $f7_2 = $f7->shiftLeft(1);
        $f5_38 = $f5->mulInt(38, 6); /* 1.959375*2^30 */
        $f6_19 = $f6->mulInt(19, 5); /* 1.959375*2^30 */
        $f7_38 = $f7->mulInt(38, 6); /* 1.959375*2^30 */
        $f8_19 = $f8->mulInt(19, 5); /* 1.959375*2^30 */
        $f9_38 = $f9->mulInt(38, 6); /* 1.959375*2^30 */
        $f0f0 = $f0->mulInt64($f0, 28);
        $f0f1_2 = $f0_2->mulInt64($f1, 28);
        $f0f2_2 = $f0_2->mulInt64($f2, 28);
        $f0f3_2 = $f0_2->mulInt64($f3, 28);
        $f0f4_2 = $f0_2->mulInt64($f4, 28);
        $f0f5_2 = $f0_2->mulInt64($f5, 28);
        $f0f6_2 = $f0_2->mulInt64($f6, 28);
        $f0f7_2 = $f0_2->mulInt64($f7, 28);
        $f0f8_2 = $f0_2->mulInt64($f8, 28);
        $f0f9_2 = $f0_2->mulInt64($f9, 28);
        $f1f1_2 = $f1_2->mulInt64($f1, 28);
        $f1f2_2 = $f1_2->mulInt64($f2, 28);
        $f1f3_4 = $f1_2->mulInt64($f3_2, 29);
        $f1f4_2 = $f1_2->mulInt64($f4, 28);
        $f1f5_4 = $f1_2->mulInt64($f5_2, 29);
        $f1f6_2 = $f1_2->mulInt64($f6, 28);
        $f1f7_4 = $f1_2->mulInt64($f7_2, 29);
        $f1f8_2 = $f1_2->mulInt64($f8, 28);
        $f1f9_76 = $f9_38->mulInt64($f1_2, 29);
        $f2f2 = $f2->mulInt64($f2, 28);
        $f2f3_2 = $f2_2->mulInt64($f3, 28);
        $f2f4_2 = $f2_2->mulInt64($f4, 28);
        $f2f5_2 = $f2_2->mulInt64($f5, 28);
        $f2f6_2 = $f2_2->mulInt64($f6, 28);
        $f2f7_2 = $f2_2->mulInt64($f7, 28);
        $f2f8_38 = $f8_19->mulInt64($f2_2, 29);
        $f2f9_38 = $f9_38->mulInt64($f2, 29);
        $f3f3_2 = $f3_2->mulInt64($f3, 28);
        $f3f4_2 = $f3_2->mulInt64($f4, 28);
        $f3f5_4 = $f3_2->mulInt64($f5_2, 28);
        $f3f6_2 = $f3_2->mulInt64($f6, 28);
        $f3f7_76 = $f7_38->mulInt64($f3_2, 29);
        $f3f8_38 = $f8_19->mulInt64($f3_2, 29);
        $f3f9_76 = $f9_38->mulInt64($f3_2, 29);
        $f4f4 = $f4->mulInt64($f4, 28);
        $f4f5_2 = $f4_2->mulInt64($f5, 28);
        $f4f6_38 = $f6_19->mulInt64($f4_2, 29);
        $f4f7_38 = $f7_38->mulInt64($f4, 29);
        $f4f8_38 = $f8_19->mulInt64($f4_2, 29);
        $f4f9_38 = $f9_38->mulInt64($f4, 29);
        $f5f5_38 = $f5_38->mulInt64($f5, 29);
        $f5f6_38 = $f6_19->mulInt64($f5_2, 29);
        $f5f7_76 = $f7_38->mulInt64($f5_2, 29);
        $f5f8_38 = $f8_19->mulInt64($f5_2, 29);
        $f5f9_76 = $f9_38->mulInt64($f5_2, 29);
        $f6f6_19 = $f6_19->mulInt64($f6, 29);
        $f6f7_38 = $f7_38->mulInt64($f6, 29);
        $f6f8_38 = $f8_19->mulInt64($f6_2, 29);
        $f6f9_38 = $f9_38->mulInt64($f6, 29);
        $f7f7_38 = $f7_38->mulInt64($f7, 29);
        $f7f8_38 = $f8_19->mulInt64($f7_2, 29);
        $f7f9_76 = $f9_38->mulInt64($f7_2, 29);
        $f8f8_19 = $f8_19->mulInt64($f8, 29);
        $f8f9_38 = $f9_38->mulInt64($f8, 29);
        $f9f9_38 = $f9_38->mulInt64($f9, 29);

$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
        $h1 = $h1->addInt64($carry0);
        $h0 = $h0->subInt64($carry0->shiftLeft(26));
        $carry4 = $h4->addInt(1 << 25)->shiftRight(26);
        $h5 = $h5->addInt64($carry4);
        $h4 = $h4->subInt64($carry4->shiftLeft(26));

$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
        $h0 = $h0->addInt64($carry9->mulInt(19, 5));
        $h9 = $h9->subInt64($carry9->shiftLeft(25));

$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
        $h1 = $h1->addInt64($carry0);
        $h0 = $h0->subInt64($carry0->shiftLeft(26));

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $Z
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fe_invert(ParagonIE_Sodium_Core32_Curve25519_Fe $Z)
    {
        $z = clone $Z;
        $t0 = self::fe_sq($z);
        $t1 = self::fe_sq($t0);
        $t1 = self::fe_sq($t1);
        $t1 = self::fe_mul($z, $t1);
        $t0 = self::fe_mul($t0, $t1);
        $t2 = self::fe_sq($t0);
        $t1 = self::fe_mul($t1, $t2);
        $t2 = self::fe_sq($t1);
        for ($i = 1; $i < 5; ++$i) {
            $t2 = self::fe_sq($t2);
        }
        $t1 = self::fe_mul($t2, $t1);
        $t2 = self::fe_sq($t1);
        for ($i = 1; $i < 10; ++$i) {
            $t2 = self::fe_sq($t2);
        }
        $t2 = self::fe_mul($t2, $t1);
        $t3 = self::fe_sq($t2);
        for ($i = 1; $i < 20; ++$i) {
            $t3 = self::fe_sq($t3);
        }
        $t2 = self::fe_mul($t3, $t2);
        $t2 = self::fe_sq($t2);
        for ($i = 1; $i < 10; ++$i) {
            $t2 = self::fe_sq($t2);
        }
        $t1 = self::fe_mul($t2, $t1);
        $t2 = self::fe_sq($t1);
        for ($i = 1; $i < 50; ++$i) {
            $t2 = self::fe_sq($t2);
        }
        $t2 = self::fe_mul($t2, $t1);
        $t3 = self::fe_sq($t2);
        for ($i = 1; $i < 100; ++$i) {
            $t3 = self::fe_sq($t3);
        }
        $t2 = self::fe_mul($t3, $t2);
        $t2 = self::fe_sq($t2);
        for ($i = 1; $i < 50; ++$i) {
            $t2 = self::fe_sq($t2);
        }
        $t1 = self::fe_mul($t2, $t1);
        $t1 = self::fe_sq($t1);
        for ($i = 1; $i < 5; ++$i) {
            $t1 = self::fe_sq($t1);
        }
        return self::fe_mul($t1, $t0);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @ref https://github.com/jedisct1/libsodium/blob/68564326e1e9dc57ef03746f85734232d20ca6fb/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1054-L1106
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $z
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fe_pow22523(ParagonIE_Sodium_Core32_Curve25519_Fe $z)
    {
        # fe_sq(t0, z);
        # fe_sq(t1, t0);
        # fe_sq(t1, t1);
        # fe_mul(t1, z, t1);
        # fe_mul(t0, t0, t1);
        # fe_sq(t0, t0);
        # fe_mul(t0, t1, t0);
        # fe_sq(t1, t0);
        $t0 = self::fe_sq($z);
        $t1 = self::fe_sq($t0);
        $t1 = self::fe_sq($t1);
        $t1 = self::fe_mul($z, $t1);
        $t0 = self::fe_mul($t0, $t1);
        $t0 = self::fe_sq($t0);
        $t0 = self::fe_mul($t1, $t0);
        $t1 = self::fe_sq($t0);

# for (i = 1; i < 5; ++i) {
        #     fe_sq(t1, t1);
        # }
        for ($i = 1; $i < 5; ++$i) {
            $t1 = self::fe_sq($t1);
        }

# fe_mul(t0, t1, t0);
        # fe_sq(t1, t0);
        $t0 = self::fe_mul($t1, $t0);
        $t1 = self::fe_sq($t0);

# for (i = 1; i < 10; ++i) {
        #     fe_sq(t1, t1);
        # }
        for ($i = 1; $i < 10; ++$i) {
            $t1 = self::fe_sq($t1);
        }

# fe_mul(t1, t1, t0);
        # fe_sq(t2, t1);
        $t1 = self::fe_mul($t1, $t0);
        $t2 = self::fe_sq($t1);

# for (i = 1; i < 20; ++i) {
        #     fe_sq(t2, t2);
        # }
        for ($i = 1; $i < 20; ++$i) {
            $t2 = self::fe_sq($t2);
        }

# fe_mul(t1, t2, t1);
        # fe_sq(t1, t1);
        $t1 = self::fe_mul($t2, $t1);
        $t1 = self::fe_sq($t1);

# for (i = 1; i < 10; ++i) {
        #     fe_sq(t1, t1);
        # }
        for ($i = 1; $i < 10; ++$i) {
            $t1 = self::fe_sq($t1);
        }

# fe_mul(t0, t1, t0);
        # fe_sq(t1, t0);
        $t0 = self::fe_mul($t1, $t0);
        $t1 = self::fe_sq($t0);

# for (i = 1; i < 50; ++i) {
        #     fe_sq(t1, t1);
        # }
        for ($i = 1; $i < 50; ++$i) {
            $t1 = self::fe_sq($t1);
        }

# fe_mul(t1, t1, t0);
        # fe_sq(t2, t1);
        $t1 = self::fe_mul($t1, $t0);
        $t2 = self::fe_sq($t1);

# for (i = 1; i < 100; ++i) {
        #     fe_sq(t2, t2);
        # }
        for ($i = 1; $i < 100; ++$i) {
            $t2 = self::fe_sq($t2);
        }

# fe_mul(t1, t2, t1);
        # fe_sq(t1, t1);
        $t1 = self::fe_mul($t2, $t1);
        $t1 = self::fe_sq($t1);

# for (i = 1; i < 50; ++i) {
        #     fe_sq(t1, t1);
        # }
        for ($i = 1; $i < 50; ++$i) {
            $t1 = self::fe_sq($t1);
        }

# fe_mul(t0, t1, t0);
        # fe_sq(t0, t0);
        # fe_sq(t0, t0);
        # fe_mul(out, t0, z);
        $t0 = self::fe_mul($t1, $t0);
        $t0 = self::fe_sq($t0);
        $t0 = self::fe_sq($t0);
        return self::fe_mul($t0, $z);
    }

/**
     * Subtract two field elements.
     *
     * h = f - g
     *
     * Preconditions:
     * |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
     * |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
     *
     * Postconditions:
     * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedMethodCall
     * @psalm-suppress MixedTypeCoercion
     */
    public static function fe_sub(ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g)
    {
        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
            array(
                $f[0]->subInt32($g[0]),
                $f[1]->subInt32($g[1]),
                $f[2]->subInt32($g[2]),
                $f[3]->subInt32($g[3]),
                $f[4]->subInt32($g[4]),
                $f[5]->subInt32($g[5]),
                $f[6]->subInt32($g[6]),
                $f[7]->subInt32($g[7]),
                $f[8]->subInt32($g[8]),
                $f[9]->subInt32($g[9])
            )
        );
    }

/**
     * Add two group elements.
     *
     * r = p + q
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_add(
        ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p,
        ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
    ) {
        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();
        $r->X = self::fe_add($p->Y, $p->X);
        $r->Y = self::fe_sub($p->Y, $p->X);
        $r->Z = self::fe_mul($r->X, $q->YplusX);
        $r->Y = self::fe_mul($r->Y, $q->YminusX);
        $r->T = self::fe_mul($q->T2d, $p->T);
        $r->X = self::fe_mul($p->Z, $q->Z);
        $t0   = self::fe_add($r->X, $r->X);
        $r->X = self::fe_sub($r->Z, $r->Y);
        $r->Y = self::fe_add($r->Z, $r->Y);
        $r->Z = self::fe_add($t0, $r->T);
        $r->T = self::fe_sub($t0, $r->T);
        return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @ref https://github.com/jedisct1/libsodium/blob/157c4a80c13b117608aeae12178b2d38825f9f8f/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1185-L1215
     * @param string $a
     * @return array<int, mixed>
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayOffset
     */
    public static function slide($a)
    {
        if (self::strlen($a) < 256) {
            if (self::strlen($a) < 16) {
                $a = str_pad($a, 256, '0', STR_PAD_RIGHT);
            }
        }
        /** @var array<int, int> $r */
        $r = array();
        for ($i = 0; $i < 256; ++$i) {
            $r[$i] = (int) (1 &
                (
                    self::chrToInt($a[$i >> 3])
                        >>
                    ($i & 7)
                )
            );
        }

for ($i = 0;$i < 256;++$i) {
            if ($r[$i]) {
                for ($b = 1;$b <= 6 && $i + $b < 256;++$b) {
                    if ($r[$i + $b]) {
                        if ($r[$i] + ($r[$i + $b] << $b) <= 15) {
                            $r[$i] += $r[$i + $b] << $b;
                            $r[$i + $b] = 0;
                        } elseif ($r[$i] - ($r[$i + $b] << $b) >= -15) {
                            $r[$i] -= $r[$i + $b] << $b;
                            for ($k = $i + $b; $k < 256; ++$k) {
                                if (!$r[$k]) {
                                    $r[$k] = 1;
                                    break;
                                }
                                $r[$k] = 0;
                            }
                        } else {
                            break;
                        }
                    }
                }
            }
        }
        return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $s
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_frombytes_negate_vartime($s)
    {
        static $d = null;
        if (!$d) {
            $d = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                array(
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[0]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[1]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[2]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[3]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[4]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[5]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[6]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[7]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[8]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[9])
                )
            );
        }
        /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */

# fe_frombytes(h->Y,s);
        # fe_1(h->Z);
        $h = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3(
            self::fe_0(),
            self::fe_frombytes($s),
            self::fe_1()
        );

# fe_sq(u,h->Y);
        # fe_mul(v,u,d);
        # fe_sub(u,u,h->Z);       /* u = y^2-1 */
        # fe_add(v,v,h->Z);       /* v = dy^2+1 */
        $u = self::fe_sq($h->Y);
        /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */
        $v = self::fe_mul($u, $d);
        $u = self::fe_sub($u, $h->Z); /* u =  y^2 - 1 */
        $v = self::fe_add($v, $h->Z); /* v = dy^2 + 1 */

# fe_sq(v3,v);
        # fe_mul(v3,v3,v);        /* v3 = v^3 */
        # fe_sq(h->X,v3);
        # fe_mul(h->X,h->X,v);
        # fe_mul(h->X,h->X,u);    /* x = uv^7 */
        $v3 = self::fe_sq($v);
        $v3 = self::fe_mul($v3, $v); /* v3 = v^3 */
        $h->X = self::fe_sq($v3);
        $h->X = self::fe_mul($h->X, $v);
        $h->X = self::fe_mul($h->X, $u); /* x = uv^7 */

# fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */
        # fe_mul(h->X,h->X,v3);
        # fe_mul(h->X,h->X,u);    /* x = uv^3(uv^7)^((q-5)/8) */
        $h->X = self::fe_pow22523($h->X); /* x = (uv^7)^((q-5)/8) */
        $h->X = self::fe_mul($h->X, $v3);
        $h->X = self::fe_mul($h->X, $u); /* x = uv^3(uv^7)^((q-5)/8) */

# fe_sq(vxx,h->X);
        # fe_mul(vxx,vxx,v);
        # fe_sub(check,vxx,u);    /* vx^2-u */
        $vxx = self::fe_sq($h->X);
        $vxx = self::fe_mul($vxx, $v);
        $check = self::fe_sub($vxx, $u); /* vx^2 - u */

# if (fe_isnonzero(check)) {
        #     fe_add(check,vxx,u);  /* vx^2+u */
        #     if (fe_isnonzero(check)) {
        #         return -1;
        #     }
        #     fe_mul(h->X,h->X,sqrtm1);
        # }
        if (self::fe_isnonzero($check)) {
            $check = self::fe_add($vxx, $u); /* vx^2 + u */
            if (self::fe_isnonzero($check)) {
                throw new RangeException('Internal check failed.');
            }
            $h->X = self::fe_mul(
                $h->X,
                ParagonIE_Sodium_Core32_Curve25519_Fe::fromIntArray(self::$sqrtm1)
            );
        }

# if (fe_isnegative(h->X) == (s[31] >> 7)) {
        #     fe_neg(h->X,h->X);
        # }
        $i = self::chrToInt($s[31]);
        if (self::fe_isnegative($h->X) === ($i >> 7)) {
            $h->X = self::fe_neg($h->X);
        }

# fe_mul(h->T,h->X,h->Y);
        $h->T = self::fe_mul($h->X, $h->Y);
        return $h;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_madd(
        ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R,
        ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p,
        ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q
    ) {
        $r = clone $R;
        $r->X = self::fe_add($p->Y, $p->X);
        $r->Y = self::fe_sub($p->Y, $p->X);
        $r->Z = self::fe_mul($r->X, $q->yplusx);
        $r->Y = self::fe_mul($r->Y, $q->yminusx);
        $r->T = self::fe_mul($q->xy2d, $p->T);
        $t0 = self::fe_add(clone $p->Z, clone $p->Z);
        $r->X = self::fe_sub($r->Z, $r->Y);
        $r->Y = self::fe_add($r->Z, $r->Y);
        $r->Z = self::fe_add($t0, $r->T);
        $r->T = self::fe_sub($t0, $r->T);

return $r;
    }

$r->X = self::fe_add($p->Y, $p->X);
        $r->Y = self::fe_sub($p->Y, $p->X);
        $r->Z = self::fe_mul($r->X, $q->yminusx);
        $r->Y = self::fe_mul($r->Y, $q->yplusx);
        $r->T = self::fe_mul($q->xy2d, $p->T);
        $t0 = self::fe_add($p->Z, $p->Z);
        $r->X = self::fe_sub($r->Z, $r->Y);
        $r->Y = self::fe_add($r->Z, $r->Y);
        $r->Z = self::fe_sub($t0, $r->T);
        $r->T = self::fe_add($t0, $r->T);

return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_p1p1_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p)
    {
        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P2();
        $r->X = self::fe_mul($p->X, $p->T);
        $r->Y = self::fe_mul($p->Y, $p->Z);
        $r->Z = self::fe_mul($p->Z, $p->T);
        return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_p1p1_to_p3(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p)
    {
        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3();
        $r->X = self::fe_mul($p->X, $p->T);
        $r->Y = self::fe_mul($p->Y, $p->Z);
        $r->Z = self::fe_mul($p->Z, $p->T);
        $r->T = self::fe_mul($p->X, $p->Y);
        return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_p2_0()
    {
        return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2(
            self::fe_0(),
            self::fe_1(),
            self::fe_1()
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_p2_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p)
    {
        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();

$r->X = self::fe_sq($p->X);
        $r->Z = self::fe_sq($p->Y);
        $r->T = self::fe_sq2($p->Z);
        $r->Y = self::fe_add($p->X, $p->Y);
        $t0   = self::fe_sq($r->Y);
        $r->Y = self::fe_add($r->Z, $r->X);
        $r->Z = self::fe_sub($r->Z, $r->X);
        $r->X = self::fe_sub($t0, $r->Y);
        $r->T = self::fe_sub($r->T, $r->Z);

return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_p3_0()
    {
        return new ParagonIE_Sodium_Core32_Curve25519_Ge_P3(
            self::fe_0(),
            self::fe_1(),
            self::fe_1(),
            self::fe_0()
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Cached
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_p3_to_cached(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p)
    {
        static $d2 = null;
        if ($d2 === null) {
            $d2 = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                array(
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[0]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[1]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[2]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[3]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[4]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[5]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[6]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[7]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[8]),
                    ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[9])
                )
            );
        }
        /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d2 */
        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached();
        $r->YplusX = self::fe_add($p->Y, $p->X);
        $r->YminusX = self::fe_sub($p->Y, $p->X);
        $r->Z = self::fe_copy($p->Z);
        $r->T2d = self::fe_mul($p->T, $d2);
        return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
     */
    public static function ge_p3_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p)
    {
        return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2(
            $p->X,
            $p->Y,
            $p->Z
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_p3_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h)
    {
        $recip = self::fe_invert($h->Z);
        $x = self::fe_mul($h->X, $recip);
        $y = self::fe_mul($h->Y, $recip);
        $s = self::fe_tobytes($y);
        $s[31] = self::intToChr(
            self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7)
        );
        return $s;
    }

/**
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_precomp_0()
    {
        return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
            self::fe_1(),
            self::fe_1(),
            self::fe_0()
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $b
     * @param int $c
     * @return int
     * @psalm-suppress MixedReturnStatement
     */
    public static function equal($b, $c)
    {
        $b0 = $b & 0xffff;
        $b1 = ($b >> 16) & 0xffff;
        $c0 = $c & 0xffff;
        $c1 = ($c >> 16) & 0xffff;

$d0 = (($b0 ^ $c0) - 1) >> 31;
        $d1 = (($b1 ^ $c1) - 1) >> 31;
        return ($d0 & $d1) & 1;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string|int $char
     * @return int (1 = yes, 0 = no)
     * @throws SodiumException
     * @throws TypeError
     */
    public static function negative($char)
    {
        if (is_int($char)) {
            return $char < 0 ? 1 : 0;
        }
        /** @var string $char */
        $x = self::chrToInt(self::substr($char, 0, 1));
        return (int) ($x >> 31);
    }

/**
     * Conditional move
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u
     * @param int $b
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
     * @throws SodiumException
     * @throws TypeError
     */
    public static function cmov(
        ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t,
        ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u,
        $b
    ) {
        if (!is_int($b)) {
            throw new InvalidArgumentException('Expected an integer.');
        }
        return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
            self::fe_cmov($t->yplusx, $u->yplusx, $b),
            self::fe_cmov($t->yminusx, $u->yminusx, $b),
            self::fe_cmov($t->xy2d, $u->xy2d, $b)
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $pos
     * @param int $b
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayOffset
     * @psalm-suppress MixedArgument
     */
    public static function ge_select($pos = 0, $b = 0)
    {
        static $base = null;
        if ($base === null) {
            $base = array();
            foreach (self::$base as $i => $bas) {
                for ($j = 0; $j < 8; ++$j) {
                    $base[$i][$j] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
                        ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                            array(
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][0]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][1]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][2]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][3]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][4]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][5]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][6]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][7]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][8]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][9])
                            )
                        ),
                        ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                            array(
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][0]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][1]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][2]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][3]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][4]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][5]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][6]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][7]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][8]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][9])
                            )
                        ),
                        ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                            array(
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][0]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][1]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][2]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][3]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][4]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][5]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][6]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][7]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][8]),
                                ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][9])
                            )
                        )
                    );
                }
            }
        }
        if (!is_int($pos)) {
            throw new InvalidArgumentException('Position must be an integer');
        }
        if ($pos < 0 || $pos > 31) {
            throw new RangeException('Position is out of range [0, 31]');
        }

$bnegative = self::negative($b);
        $babs = $b - (((-$bnegative) & $b) << 1);

$t = self::ge_precomp_0();
        for ($i = 0; $i < 8; ++$i) {
            $t = self::cmov(
                $t,
                $base[$pos][$i],
                -self::equal($babs, $i + 1)
            );
        }
        $minusT = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
            self::fe_copy($t->yminusx),
            self::fe_copy($t->yplusx),
            self::fe_neg($t->xy2d)
        );
        return self::cmov($t, $minusT, -$bnegative);
    }

/**
     * Subtract two group elements.
     *
     * r = p - q
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_sub(
        ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p,
        ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
    ) {
        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();

$r->X = self::fe_add($p->Y, $p->X);
        $r->Y = self::fe_sub($p->Y, $p->X);
        $r->Z = self::fe_mul($r->X, $q->YminusX);
        $r->Y = self::fe_mul($r->Y, $q->YplusX);
        $r->T = self::fe_mul($q->T2d, $p->T);
        $r->X = self::fe_mul($p->Z, $q->Z);
        $t0 = self::fe_add($r->X, $r->X);
        $r->X = self::fe_sub($r->Z, $r->Y);
        $r->Y = self::fe_add($r->Z, $r->Y);
        $r->Z = self::fe_sub($t0, $r->T);
        $r->T = self::fe_add($t0, $r->T);

return $r;
    }

/**
     * Convert a group element to a byte string.
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h)
    {
        $recip = self::fe_invert($h->Z);
        $x = self::fe_mul($h->X, $recip);
        $y = self::fe_mul($h->Y, $recip);
        $s = self::fe_tobytes($y);
        $s[31] = self::intToChr(
            self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7)
        );
        return $s;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $a
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A
     * @param string $b
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayAccess
     */
    public static function ge_double_scalarmult_vartime(
        $a,
        ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A,
        $b
    ) {
        /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai */
        $Ai = array();

static $Bi = array();
        /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp> $Bi */
        if (!$Bi) {
            for ($i = 0; $i < 8; ++$i) {
                $Bi[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
                    ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                        array(
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][0]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][1]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][2]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][3]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][4]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][5]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][6]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][7]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][8]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][9])
                        )
                    ),
                    ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                        array(
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][0]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][1]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][2]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][3]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][4]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][5]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][6]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][7]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][8]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][9])
                        )
                    ),
                    ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
                        array(
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][0]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][1]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][2]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][3]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][4]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][5]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][6]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][7]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][8]),
                            ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][9])
                        )
                    )
                );
            }
        }

for ($i = 0; $i < 8; ++$i) {
            $Ai[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached(
                self::fe_0(),
                self::fe_0(),
                self::fe_0(),
                self::fe_0()
            );
        }
        /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai */

# slide(aslide,a);
        # slide(bslide,b);
        /** @var array<int, int> $aslide */
        $aslide = self::slide($a);
        /** @var array<int, int> $bslide */
        $bslide = self::slide($b);

# ge_p3_to_cached(&Ai[0],A);
        # ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t);
        $Ai[0] = self::ge_p3_to_cached($A);
        $t = self::ge_p3_dbl($A);
        $A2 = self::ge_p1p1_to_p3($t);

# ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u);
        # ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u);
        # ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u);
        # ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u);
        # ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u);
        # ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u);
        # ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u);
        for ($i = 0; $i < 7; ++$i) {
            $t = self::ge_add($A2, $Ai[$i]);
            $u = self::ge_p1p1_to_p3($t);
            $Ai[$i + 1] = self::ge_p3_to_cached($u);
        }

# ge_p2_0(r);
        $r = self::ge_p2_0();

# for (i = 255;i >= 0;--i) {
        #     if (aslide[i] || bslide[i]) break;
        # }
        $i = 255;
        for (; $i >= 0; --$i) {
            if ($aslide[$i] || $bslide[$i]) {
                break;
            }
        }

# for (;i >= 0;--i) {
        for (; $i >= 0; --$i) {
            # ge_p2_dbl(&t,r);
            $t = self::ge_p2_dbl($r);

# if (aslide[i] > 0) {
            if ($aslide[$i] > 0) {
                # ge_p1p1_to_p3(&u,&t);
                # ge_add(&t,&u,&Ai[aslide[i]/2]);
                $u = self::ge_p1p1_to_p3($t);
                $t = self::ge_add(
                    $u,
                    $Ai[(int) floor($aslide[$i] / 2)]
                );
                # } else if (aslide[i] < 0) {
            } elseif ($aslide[$i] < 0) {
                # ge_p1p1_to_p3(&u,&t);
                # ge_sub(&t,&u,&Ai[(-aslide[i])/2]);
                $u = self::ge_p1p1_to_p3($t);
                $t = self::ge_sub(
                    $u,
                    $Ai[(int) floor(-$aslide[$i] / 2)]
                );
            }
            /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp> $Bi */

# if (bslide[i] > 0) {
            if ($bslide[$i] > 0) {
                # ge_p1p1_to_p3(&u,&t);
                # ge_madd(&t,&u,&Bi[bslide[i]/2]);
                $u = self::ge_p1p1_to_p3($t);
                /** @var int $index */
                $index = (int) floor($bslide[$i] / 2);
                /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */
                $thisB = $Bi[$index];
                $t = self::ge_madd($t, $u, $thisB);
                # } else if (bslide[i] < 0) {
            } elseif ($bslide[$i] < 0) {
                # ge_p1p1_to_p3(&u,&t);
                # ge_msub(&t,&u,&Bi[(-bslide[i])/2]);
                $u = self::ge_p1p1_to_p3($t);

/** @var int $index */
                $index = (int) floor(-$bslide[$i] / 2);

/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */
                $thisB = $Bi[$index];
                $t = self::ge_msub($t, $u, $thisB);
            }
            # ge_p1p1_to_p2(r,&t);
            $r = self::ge_p1p1_to_p2($t);
        }
        return $r;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $a
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedOperand
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_scalarmult_base($a)
    {
        /** @var array<int, int> $e */
        $e = array();
        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();

for ($i = 0; $i < 32; ++$i) {
            /** @var int $dbl */
            $dbl = (int) $i << 1;
            $e[$dbl] = (int) self::chrToInt($a[$i]) & 15;
            $e[$dbl + 1] = (int) (self::chrToInt($a[$i]) >> 4) & 15;
        }

/** @var int $carry */
        $carry = 0;
        for ($i = 0; $i < 63; ++$i) {
            $e[$i] += $carry;
            $carry = $e[$i] + 8;
            $carry >>= 4;
            $e[$i] -= $carry << 4;
        }

/** @var array<int, int> $e */
        $e[63] += (int) $carry;

$h = self::ge_p3_0();

for ($i = 1; $i < 64; $i += 2) {
            $t = self::ge_select((int) floor($i / 2), (int) $e[$i]);
            $r = self::ge_madd($r, $h, $t);
            $h = self::ge_p1p1_to_p3($r);
        }

$r = self::ge_p3_dbl($h);

$s = self::ge_p1p1_to_p2($r);
        $r = self::ge_p2_dbl($s);
        $s = self::ge_p1p1_to_p2($r);
        $r = self::ge_p2_dbl($s);
        $s = self::ge_p1p1_to_p2($r);
        $r = self::ge_p2_dbl($s);

$h = self::ge_p1p1_to_p3($r);

for ($i = 0; $i < 64; $i += 2) {
            $t = self::ge_select($i >> 1, (int) $e[$i]);
            $r = self::ge_madd($r, $h, $t);
            $h = self::ge_p1p1_to_p3($r);
        }
        return $h;
    }

/**
     * Calculates (ab + c) mod l
     * where l = 2^252 + 27742317777372353535851937790883648493
     *
     * @internal You should not use this directly from another application
     *
     * @param string $a
     * @param string $b
     * @param string $c
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function sc_muladd($a, $b, $c)
    {
        $a0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 0, 3)));
        $a1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5));
        $a2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2));
        $a3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7));
        $a4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4));
        $a5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1));
        $a6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6));
        $a7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3));
        $a8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 21, 3)));
        $a9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5));
        $a10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2));
        $a11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($a, 28, 4)) >> 7));
        $b0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 0, 3)));
        $b1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5));
        $b2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2));
        $b3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7));
        $b4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4));
        $b5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1));
        $b6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6));
        $b7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3));
        $b8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 21, 3)));
        $b9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5));
        $b10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2));
        $b11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($b, 28, 4)) >> 7));
        $c0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 0, 3)));
        $c1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 2, 4)) >> 5));
        $c2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 5, 3)) >> 2));
        $c3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 7, 4)) >> 7));
        $c4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 10, 4)) >> 4));
        $c5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 13, 3)) >> 1));
        $c6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 15, 4)) >> 6));
        $c7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 18, 3)) >> 3));
        $c8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 21, 3)));
        $c9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 23, 4)) >> 5));
        $c10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 26, 3)) >> 2));
        $c11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($c, 28, 4)) >> 7));

/* Can't really avoid the pyramid here: */
        /**
         * @var ParagonIE_Sodium_Core32_Int64 $s0
         * @var ParagonIE_Sodium_Core32_Int64 $s1
         * @var ParagonIE_Sodium_Core32_Int64 $s2
         * @var ParagonIE_Sodium_Core32_Int64 $s3
         * @var ParagonIE_Sodium_Core32_Int64 $s4
         * @var ParagonIE_Sodium_Core32_Int64 $s5
         * @var ParagonIE_Sodium_Core32_Int64 $s6
         * @var ParagonIE_Sodium_Core32_Int64 $s7
         * @var ParagonIE_Sodium_Core32_Int64 $s8
         * @var ParagonIE_Sodium_Core32_Int64 $s9
         * @var ParagonIE_Sodium_Core32_Int64 $s10
         * @var ParagonIE_Sodium_Core32_Int64 $s11
         * @var ParagonIE_Sodium_Core32_Int64 $s12
         * @var ParagonIE_Sodium_Core32_Int64 $s13
         * @var ParagonIE_Sodium_Core32_Int64 $s14
         * @var ParagonIE_Sodium_Core32_Int64 $s15
         * @var ParagonIE_Sodium_Core32_Int64 $s16
         * @var ParagonIE_Sodium_Core32_Int64 $s17
         * @var ParagonIE_Sodium_Core32_Int64 $s18
         * @var ParagonIE_Sodium_Core32_Int64 $s19
         * @var ParagonIE_Sodium_Core32_Int64 $s20
         * @var ParagonIE_Sodium_Core32_Int64 $s21
         * @var ParagonIE_Sodium_Core32_Int64 $s22
         * @var ParagonIE_Sodium_Core32_Int64 $s23
         */

$s0 = $c0->addInt64($a0->mulInt64($b0, 24));
        $s1 = $c1->addInt64($a0->mulInt64($b1, 24))->addInt64($a1->mulInt64($b0, 24));
        $s2 = $c2->addInt64($a0->mulInt64($b2, 24))->addInt64($a1->mulInt64($b1, 24))->addInt64($a2->mulInt64($b0, 24));
        $s3 = $c3->addInt64($a0->mulInt64($b3, 24))->addInt64($a1->mulInt64($b2, 24))->addInt64($a2->mulInt64($b1, 24))
                 ->addInt64($a3->mulInt64($b0, 24));
        $s4 = $c4->addInt64($a0->mulInt64($b4, 24))->addInt64($a1->mulInt64($b3, 24))->addInt64($a2->mulInt64($b2, 24))
                 ->addInt64($a3->mulInt64($b1, 24))->addInt64($a4->mulInt64($b0, 24));
        $s5 = $c5->addInt64($a0->mulInt64($b5, 24))->addInt64($a1->mulInt64($b4, 24))->addInt64($a2->mulInt64($b3, 24))
                 ->addInt64($a3->mulInt64($b2, 24))->addInt64($a4->mulInt64($b1, 24))->addInt64($a5->mulInt64($b0, 24));
        $s6 = $c6->addInt64($a0->mulInt64($b6, 24))->addInt64($a1->mulInt64($b5, 24))->addInt64($a2->mulInt64($b4, 24))
                 ->addInt64($a3->mulInt64($b3, 24))->addInt64($a4->mulInt64($b2, 24))->addInt64($a5->mulInt64($b1, 24))
                 ->addInt64($a6->mulInt64($b0, 24));
        $s7 = $c7->addInt64($a0->mulInt64($b7, 24))->addInt64($a1->mulInt64($b6, 24))->addInt64($a2->mulInt64($b5, 24))
                 ->addInt64($a3->mulInt64($b4, 24))->addInt64($a4->mulInt64($b3, 24))->addInt64($a5->mulInt64($b2, 24))
                 ->addInt64($a6->mulInt64($b1, 24))->addInt64($a7->mulInt64($b0, 24));
        $s8 = $c8->addInt64($a0->mulInt64($b8, 24))->addInt64($a1->mulInt64($b7, 24))->addInt64($a2->mulInt64($b6, 24))
                 ->addInt64($a3->mulInt64($b5, 24))->addInt64($a4->mulInt64($b4, 24))->addInt64($a5->mulInt64($b3, 24))
                 ->addInt64($a6->mulInt64($b2, 24))->addInt64($a7->mulInt64($b1, 24))->addInt64($a8->mulInt64($b0, 24));
        $s9 = $c9->addInt64($a0->mulInt64($b9, 24))->addInt64($a1->mulInt64($b8, 24))->addInt64($a2->mulInt64($b7, 24))
                 ->addInt64($a3->mulInt64($b6, 24))->addInt64($a4->mulInt64($b5, 24))->addInt64($a5->mulInt64($b4, 24))
                 ->addInt64($a6->mulInt64($b3, 24))->addInt64($a7->mulInt64($b2, 24))->addInt64($a8->mulInt64($b1, 24))
                 ->addInt64($a9->mulInt64($b0, 24));
        $s10 = $c10->addInt64($a0->mulInt64($b10, 24))->addInt64($a1->mulInt64($b9, 24))->addInt64($a2->mulInt64($b8, 24))
                   ->addInt64($a3->mulInt64($b7, 24))->addInt64($a4->mulInt64($b6, 24))->addInt64($a5->mulInt64($b5, 24))
                   ->addInt64($a6->mulInt64($b4, 24))->addInt64($a7->mulInt64($b3, 24))->addInt64($a8->mulInt64($b2, 24))
                   ->addInt64($a9->mulInt64($b1, 24))->addInt64($a10->mulInt64($b0, 24));
        $s11 = $c11->addInt64($a0->mulInt64($b11, 24))->addInt64($a1->mulInt64($b10, 24))->addInt64($a2->mulInt64($b9, 24))
                   ->addInt64($a3->mulInt64($b8, 24))->addInt64($a4->mulInt64($b7, 24))->addInt64($a5->mulInt64($b6, 24))
                   ->addInt64($a6->mulInt64($b5, 24))->addInt64($a7->mulInt64($b4, 24))->addInt64($a8->mulInt64($b3, 24))
                   ->addInt64($a9->mulInt64($b2, 24))->addInt64($a10->mulInt64($b1, 24))->addInt64($a11->mulInt64($b0, 24));
        $s12 = $a1->mulInt64($b11, 24)->addInt64($a2->mulInt64($b10, 24))->addInt64($a3->mulInt64($b9, 24))
                  ->addInt64($a4->mulInt64($b8, 24))->addInt64($a5->mulInt64($b7, 24))->addInt64($a6->mulInt64($b6, 24))
                  ->addInt64($a7->mulInt64($b5, 24))->addInt64($a8->mulInt64($b4, 24))->addInt64($a9->mulInt64($b3, 24))
                  ->addInt64($a10->mulInt64($b2, 24))->addInt64($a11->mulInt64($b1, 24));
        $s13 = $a2->mulInt64($b11, 24)->addInt64($a3->mulInt64($b10, 24))->addInt64($a4->mulInt64($b9, 24))
                  ->addInt64($a5->mulInt64($b8, 24))->addInt64($a6->mulInt64($b7, 24))->addInt64($a7->mulInt64($b6, 24))
                  ->addInt64($a8->mulInt64($b5, 24))->addInt64($a9->mulInt64($b4, 24))->addInt64($a10->mulInt64($b3, 24))
                  ->addInt64($a11->mulInt64($b2, 24));
        $s14 = $a3->mulInt64($b11, 24)->addInt64($a4->mulInt64($b10, 24))->addInt64($a5->mulInt64($b9, 24))
                  ->addInt64($a6->mulInt64($b8, 24))->addInt64($a7->mulInt64($b7, 24))->addInt64($a8->mulInt64($b6, 24))
                  ->addInt64($a9->mulInt64($b5, 24))->addInt64($a10->mulInt64($b4, 24))->addInt64($a11->mulInt64($b3, 24));
        $s15 = $a4->mulInt64($b11, 24)->addInt64($a5->mulInt64($b10, 24))->addInt64($a6->mulInt64($b9, 24))
                  ->addInt64($a7->mulInt64($b8, 24))->addInt64($a8->mulInt64($b7, 24))->addInt64($a9->mulInt64($b6, 24))
                  ->addInt64($a10->mulInt64($b5, 24))->addInt64($a11->mulInt64($b4, 24));
        $s16 = $a5->mulInt64($b11, 24)->addInt64($a6->mulInt64($b10, 24))->addInt64($a7->mulInt64($b9, 24))
                  ->addInt64($a8->mulInt64($b8, 24))->addInt64($a9->mulInt64($b7, 24))->addInt64($a10->mulInt64($b6, 24))
                  ->addInt64($a11->mulInt64($b5, 24));
        $s17 = $a6->mulInt64($b11, 24)->addInt64($a7->mulInt64($b10, 24))->addInt64($a8->mulInt64($b9, 24))
                  ->addInt64($a9->mulInt64($b8, 24))->addInt64($a10->mulInt64($b7, 24))->addInt64($a11->mulInt64($b6, 24));
        $s18 = $a7->mulInt64($b11, 24)->addInt64($a8->mulInt64($b10, 24))->addInt64($a9->mulInt64($b9, 24))
                  ->addInt64($a10->mulInt64($b8, 24))->addInt64($a11->mulInt64($b7, 24));
        $s19 = $a8->mulInt64($b11, 24)->addInt64($a9->mulInt64($b10, 24))->addInt64($a10->mulInt64($b9, 24))
                  ->addInt64($a11->mulInt64($b8, 24));
        $s20 = $a9->mulInt64($b11, 24)->addInt64($a10->mulInt64($b10, 24))->addInt64($a11->mulInt64($b9, 24));
        $s21 = $a10->mulInt64($b11, 24)->addInt64($a11->mulInt64($b10, 24));
        $s22 = $a11->mulInt64($b11, 24);
        $s23 = new ParagonIE_Sodium_Core32_Int64();

$carry0 = $s0->addInt(1 << 20)->shiftRight(21);
        $s1 = $s1->addInt64($carry0);
        $s0 = $s0->subInt64($carry0->shiftLeft(21));
        $carry2 = $s2->addInt(1 << 20)->shiftRight(21);
        $s3 = $s3->addInt64($carry2);
        $s2 = $s2->subInt64($carry2->shiftLeft(21));
        $carry4 = $s4->addInt(1 << 20)->shiftRight(21);
        $s5 = $s5->addInt64($carry4);
        $s4 = $s4->subInt64($carry4->shiftLeft(21));
        $carry6 = $s6->addInt(1 << 20)->shiftRight(21);
        $s7 = $s7->addInt64($carry6);
        $s6 = $s6->subInt64($carry6->shiftLeft(21));
        $carry8 = $s8->addInt(1 << 20)->shiftRight(21);
        $s9 = $s9->addInt64($carry8);
        $s8 = $s8->subInt64($carry8->shiftLeft(21));
        $carry10 = $s10->addInt(1 << 20)->shiftRight(21);
        $s11 = $s11->addInt64($carry10);
        $s10 = $s10->subInt64($carry10->shiftLeft(21));
        $carry12 = $s12->addInt(1 << 20)->shiftRight(21);
        $s13 = $s13->addInt64($carry12);
        $s12 = $s12->subInt64($carry12->shiftLeft(21));
        $carry14 = $s14->addInt(1 << 20)->shiftRight(21);
        $s15 = $s15->addInt64($carry14);
        $s14 = $s14->subInt64($carry14->shiftLeft(21));
        $carry16 = $s16->addInt(1 << 20)->shiftRight(21);
        $s17 = $s17->addInt64($carry16);
        $s16 = $s16->subInt64($carry16->shiftLeft(21));
        $carry18 = $s18->addInt(1 << 20)->shiftRight(21);
        $s19 = $s19->addInt64($carry18);
        $s18 = $s18->subInt64($carry18->shiftLeft(21));
        $carry20 = $s20->addInt(1 << 20)->shiftRight(21);
        $s21 = $s21->addInt64($carry20);
        $s20 = $s20->subInt64($carry20->shiftLeft(21));
        $carry22 = $s22->addInt(1 << 20)->shiftRight(21);
        $s23 = $s23->addInt64($carry22);
        $s22 = $s22->subInt64($carry22->shiftLeft(21));

$carry1 = $s1->addInt(1 << 20)->shiftRight(21);
        $s2 = $s2->addInt64($carry1);
        $s1 = $s1->subInt64($carry1->shiftLeft(21));
        $carry3 = $s3->addInt(1 << 20)->shiftRight(21);
        $s4 = $s4->addInt64($carry3);
        $s3 = $s3->subInt64($carry3->shiftLeft(21));
        $carry5 = $s5->addInt(1 << 20)->shiftRight(21);
        $s6 = $s6->addInt64($carry5);
        $s5 = $s5->subInt64($carry5->shiftLeft(21));
        $carry7 = $s7->addInt(1 << 20)->shiftRight(21);
        $s8 = $s8->addInt64($carry7);
        $s7 = $s7->subInt64($carry7->shiftLeft(21));
        $carry9 = $s9->addInt(1 << 20)->shiftRight(21);
        $s10 = $s10->addInt64($carry9);
        $s9 = $s9->subInt64($carry9->shiftLeft(21));
        $carry11 = $s11->addInt(1 << 20)->shiftRight(21);
        $s12 = $s12->addInt64($carry11);
        $s11 = $s11->subInt64($carry11->shiftLeft(21));
        $carry13 = $s13->addInt(1 << 20)->shiftRight(21);
        $s14 = $s14->addInt64($carry13);
        $s13 = $s13->subInt64($carry13->shiftLeft(21));
        $carry15 = $s15->addInt(1 << 20)->shiftRight(21);
        $s16 = $s16->addInt64($carry15);
        $s15 = $s15->subInt64($carry15->shiftLeft(21));
        $carry17 = $s17->addInt(1 << 20)->shiftRight(21);
        $s18 = $s18->addInt64($carry17);
        $s17 = $s17->subInt64($carry17->shiftLeft(21));
        $carry19 = $s19->addInt(1 << 20)->shiftRight(21);
        $s20 = $s20->addInt64($carry19);
        $s19 = $s19->subInt64($carry19->shiftLeft(21));
        $carry21 = $s21->addInt(1 << 20)->shiftRight(21);
        $s22 = $s22->addInt64($carry21);
        $s21 = $s21->subInt64($carry21->shiftLeft(21));

$s11 = $s11->addInt64($s23->mulInt(666643, 20));
        $s12 = $s12->addInt64($s23->mulInt(470296, 19));
        $s13 = $s13->addInt64($s23->mulInt(654183, 20));
        $s14 = $s14->subInt64($s23->mulInt(997805, 20));
        $s15 = $s15->addInt64($s23->mulInt(136657, 18));
        $s16 = $s16->subInt64($s23->mulInt(683901, 20));

$s10 = $s10->addInt64($s22->mulInt(666643, 20));
        $s11 = $s11->addInt64($s22->mulInt(470296, 19));
        $s12 = $s12->addInt64($s22->mulInt(654183, 20));
        $s13 = $s13->subInt64($s22->mulInt(997805, 20));
        $s14 = $s14->addInt64($s22->mulInt(136657, 18));
        $s15 = $s15->subInt64($s22->mulInt(683901, 20));

$s9  =  $s9->addInt64($s21->mulInt(666643, 20));
        $s10 = $s10->addInt64($s21->mulInt(470296, 19));
        $s11 = $s11->addInt64($s21->mulInt(654183, 20));
        $s12 = $s12->subInt64($s21->mulInt(997805, 20));
        $s13 = $s13->addInt64($s21->mulInt(136657, 18));
        $s14 = $s14->subInt64($s21->mulInt(683901, 20));

$s8  =  $s8->addInt64($s20->mulInt(666643, 20));
        $s9  =  $s9->addInt64($s20->mulInt(470296, 19));
        $s10 = $s10->addInt64($s20->mulInt(654183, 20));
        $s11 = $s11->subInt64($s20->mulInt(997805, 20));
        $s12 = $s12->addInt64($s20->mulInt(136657, 18));
        $s13 = $s13->subInt64($s20->mulInt(683901, 20));

$s7  =  $s7->addInt64($s19->mulInt(666643, 20));
        $s8  =  $s8->addInt64($s19->mulInt(470296, 19));
        $s9  =  $s9->addInt64($s19->mulInt(654183, 20));
        $s10 = $s10->subInt64($s19->mulInt(997805, 20));
        $s11 = $s11->addInt64($s19->mulInt(136657, 18));
        $s12 = $s12->subInt64($s19->mulInt(683901, 20));

$s6  =  $s6->addInt64($s18->mulInt(666643, 20));
        $s7  =  $s7->addInt64($s18->mulInt(470296, 19));
        $s8  =  $s8->addInt64($s18->mulInt(654183, 20));
        $s9  =  $s9->subInt64($s18->mulInt(997805, 20));
        $s10 = $s10->addInt64($s18->mulInt(136657, 18));
        $s11 = $s11->subInt64($s18->mulInt(683901, 20));

$carry6 = $s6->addInt(1 << 20)->shiftRight(21);
        $s7 = $s7->addInt64($carry6);
        $s6 = $s6->subInt64($carry6->shiftLeft(21));
        $carry8 = $s8->addInt(1 << 20)->shiftRight(21);
        $s9 = $s9->addInt64($carry8);
        $s8 = $s8->subInt64($carry8->shiftLeft(21));
        $carry10 = $s10->addInt(1 << 20)->shiftRight(21);
        $s11 = $s11->addInt64($carry10);
        $s10 = $s10->subInt64($carry10->shiftLeft(21));
        $carry12 = $s12->addInt(1 << 20)->shiftRight(21);
        $s13 = $s13->addInt64($carry12);
        $s12 = $s12->subInt64($carry12->shiftLeft(21));
        $carry14 = $s14->addInt(1 << 20)->shiftRight(21);
        $s15 = $s15->addInt64($carry14);
        $s14 = $s14->subInt64($carry14->shiftLeft(21));
        $carry16 = $s16->addInt(1 << 20)->shiftRight(21);
        $s17 = $s17->addInt64($carry16);
        $s16 = $s16->subInt64($carry16->shiftLeft(21));

$carry7 = $s7->addInt(1 << 20)->shiftRight(21);
        $s8 = $s8->addInt64($carry7);
        $s7 = $s7->subInt64($carry7->shiftLeft(21));
        $carry9 = $s9->addInt(1 << 20)->shiftRight(21);
        $s10 = $s10->addInt64($carry9);
        $s9 = $s9->subInt64($carry9->shiftLeft(21));
        $carry11 = $s11->addInt(1 << 20)->shiftRight(21);
        $s12 = $s12->addInt64($carry11);
        $s11 = $s11->subInt64($carry11->shiftLeft(21));
        $carry13 = $s13->addInt(1 << 20)->shiftRight(21);
        $s14 = $s14->addInt64($carry13);
        $s13 = $s13->subInt64($carry13->shiftLeft(21));
        $carry15 = $s15->addInt(1 << 20)->shiftRight(21);
        $s16 = $s16->addInt64($carry15);
        $s15 = $s15->subInt64($carry15->shiftLeft(21));

$s5  =  $s5->addInt64($s17->mulInt(666643, 20));
        $s6  =  $s6->addInt64($s17->mulInt(470296, 19));
        $s7  =  $s7->addInt64($s17->mulInt(654183, 20));
        $s8  =  $s8->subInt64($s17->mulInt(997805, 20));
        $s9  =  $s9->addInt64($s17->mulInt(136657, 18));
        $s10 = $s10->subInt64($s17->mulInt(683901, 20));

$s4  =  $s4->addInt64($s16->mulInt(666643, 20));
        $s5  =  $s5->addInt64($s16->mulInt(470296, 19));
        $s6  =  $s6->addInt64($s16->mulInt(654183, 20));
        $s7  =  $s7->subInt64($s16->mulInt(997805, 20));
        $s8  =  $s8->addInt64($s16->mulInt(136657, 18));
        $s9  =  $s9->subInt64($s16->mulInt(683901, 20));

$s3  =  $s3->addInt64($s15->mulInt(666643, 20));
        $s4  =  $s4->addInt64($s15->mulInt(470296, 19));
        $s5  =  $s5->addInt64($s15->mulInt(654183, 20));
        $s6  =  $s6->subInt64($s15->mulInt(997805, 20));
        $s7  =  $s7->addInt64($s15->mulInt(136657, 18));
        $s8  =  $s8->subInt64($s15->mulInt(683901, 20));

$s2  =  $s2->addInt64($s14->mulInt(666643, 20));
        $s3  =  $s3->addInt64($s14->mulInt(470296, 19));
        $s4  =  $s4->addInt64($s14->mulInt(654183, 20));
        $s5  =  $s5->subInt64($s14->mulInt(997805, 20));
        $s6  =  $s6->addInt64($s14->mulInt(136657, 18));
        $s7  =  $s7->subInt64($s14->mulInt(683901, 20));

$s1  =  $s1->addInt64($s13->mulInt(666643, 20));
        $s2  =  $s2->addInt64($s13->mulInt(470296, 19));
        $s3  =  $s3->addInt64($s13->mulInt(654183, 20));
        $s4  =  $s4->subInt64($s13->mulInt(997805, 20));
        $s5  =  $s5->addInt64($s13->mulInt(136657, 18));
        $s6  =  $s6->subInt64($s13->mulInt(683901, 20));

$s0  =  $s0->addInt64($s12->mulInt(666643, 20));
        $s1  =  $s1->addInt64($s12->mulInt(470296, 19));
        $s2  =  $s2->addInt64($s12->mulInt(654183, 20));
        $s3  =  $s3->subInt64($s12->mulInt(997805, 20));
        $s4  =  $s4->addInt64($s12->mulInt(136657, 18));
        $s5  =  $s5->subInt64($s12->mulInt(683901, 20));
        $s12 = new ParagonIE_Sodium_Core32_Int64();

$carry0 = $s0->shiftRight(21);
        $s1 = $s1->addInt64($carry0);
        $s0 = $s0->subInt64($carry0->shiftLeft(21));
        $carry1 = $s1->shiftRight(21);
        $s2 = $s2->addInt64($carry1);
        $s1 = $s1->subInt64($carry1->shiftLeft(21));
        $carry2 = $s2->shiftRight(21);
        $s3 = $s3->addInt64($carry2);
        $s2 = $s2->subInt64($carry2->shiftLeft(21));
        $carry3 = $s3->shiftRight(21);
        $s4 = $s4->addInt64($carry3);
        $s3 = $s3->subInt64($carry3->shiftLeft(21));
        $carry4 = $s4->shiftRight(21);
        $s5 = $s5->addInt64($carry4);
        $s4 = $s4->subInt64($carry4->shiftLeft(21));
        $carry5 = $s5->shiftRight(21);
        $s6 = $s6->addInt64($carry5);
        $s5 = $s5->subInt64($carry5->shiftLeft(21));
        $carry6 = $s6->shiftRight(21);
        $s7 = $s7->addInt64($carry6);
        $s6 = $s6->subInt64($carry6->shiftLeft(21));
        $carry7 = $s7->shiftRight(21);
        $s8 = $s8->addInt64($carry7);
        $s7 = $s7->subInt64($carry7->shiftLeft(21));
        $carry8 = $s8->shiftRight(21);
        $s9 = $s9->addInt64($carry8);
        $s8 = $s8->subInt64($carry8->shiftLeft(21));
        $carry9 = $s9->shiftRight(21);
        $s10 = $s10->addInt64($carry9);
        $s9 = $s9->subInt64($carry9->shiftLeft(21));
        $carry10 = $s10->shiftRight(21);
        $s11 = $s11->addInt64($carry10);
        $s10 = $s10->subInt64($carry10->shiftLeft(21));
        $carry11 = $s11->shiftRight(21);
        $s12 = $s12->addInt64($carry11);
        $s11 = $s11->subInt64($carry11->shiftLeft(21));

$carry0 = $s0->shiftRight(21);
        $s1 = $s1->addInt64($carry0);
        $s0 = $s0->subInt64($carry0->shiftLeft(21));
        $carry1 = $s1->shiftRight(21);
        $s2 = $s2->addInt64($carry1);
        $s1 = $s1->subInt64($carry1->shiftLeft(21));
        $carry2 = $s2->shiftRight(21);
        $s3 = $s3->addInt64($carry2);
        $s2 = $s2->subInt64($carry2->shiftLeft(21));
        $carry3 = $s3->shiftRight(21);
        $s4 = $s4->addInt64($carry3);
        $s3 = $s3->subInt64($carry3->shiftLeft(21));
        $carry4 = $s4->shiftRight(21);
        $s5 = $s5->addInt64($carry4);
        $s4 = $s4->subInt64($carry4->shiftLeft(21));
        $carry5 = $s5->shiftRight(21);
        $s6 = $s6->addInt64($carry5);
        $s5 = $s5->subInt64($carry5->shiftLeft(21));
        $carry6 = $s6->shiftRight(21);
        $s7 = $s7->addInt64($carry6);
        $s6 = $s6->subInt64($carry6->shiftLeft(21));
        $carry7 = $s7->shiftRight(21);
        $s8 = $s8->addInt64($carry7);
        $s7 = $s7->subInt64($carry7->shiftLeft(21));
        $carry8 = $s10->shiftRight(21);
        $s9 = $s9->addInt64($carry8);
        $s8 = $s8->subInt64($carry8->shiftLeft(21));
        $carry9 = $s9->shiftRight(21);
        $s10 = $s10->addInt64($carry9);
        $s9 = $s9->subInt64($carry9->shiftLeft(21));
        $carry10 = $s10->shiftRight(21);
        $s11 = $s11->addInt64($carry10);
        $s10 = $s10->subInt64($carry10->shiftLeft(21));

$S0  =  $s0->toInt();
        $S1  =  $s1->toInt();
        $S2  =  $s2->toInt();
        $S3  =  $s3->toInt();
        $S4  =  $s4->toInt();
        $S5  =  $s5->toInt();
        $S6  =  $s6->toInt();
        $S7  =  $s7->toInt();
        $S8  =  $s8->toInt();
        $S9  =  $s9->toInt();
        $S10 = $s10->toInt();
        $S11 = $s11->toInt();

/**
         * @var array<int, int>
         */
        $arr = array(
            (int) (0xff & ($S0 >> 0)),
            (int) (0xff & ($S0 >> 8)),
            (int) (0xff & (($S0 >> 16) | ($S1 << 5))),
            (int) (0xff & ($S1 >> 3)),
            (int) (0xff & ($S1 >> 11)),
            (int) (0xff & (($S1 >> 19) | ($S2 << 2))),
            (int) (0xff & ($S2 >> 6)),
            (int) (0xff & (($S2 >> 14) | ($S3 << 7))),
            (int) (0xff & ($S3 >> 1)),
            (int) (0xff & ($S3 >> 9)),
            (int) (0xff & (($S3 >> 17) | ($S4 << 4))),
            (int) (0xff & ($S4 >> 4)),
            (int) (0xff & ($S4 >> 12)),
            (int) (0xff & (($S4 >> 20) | ($S5 << 1))),
            (int) (0xff & ($S5 >> 7)),
            (int) (0xff & (($S5 >> 15) | ($S6 << 6))),
            (int) (0xff & ($S6 >> 2)),
            (int) (0xff & ($S6 >> 10)),
            (int) (0xff & (($S6 >> 18) | ($S7 << 3))),
            (int) (0xff & ($S7 >> 5)),
            (int) (0xff & ($S7 >> 13)),
            (int) (0xff & ($S8 >> 0)),
            (int) (0xff & ($S8 >> 8)),
            (int) (0xff & (($S8 >> 16) | ($S9 << 5))),
            (int) (0xff & ($S9 >> 3)),
            (int) (0xff & ($S9 >> 11)),
            (int) (0xff & (($S9 >> 19) | ($S10 << 2))),
            (int) (0xff & ($S10 >> 6)),
            (int) (0xff & (($S10 >> 14) | ($S11 << 7))),
            (int) (0xff & ($S11 >> 1)),
            (int) (0xff & ($S11 >> 9)),
            (int) (0xff & ($S11 >> 17))
        );
        return self::intArrayToString($arr);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function sc_reduce($s)
    {
        /**
         * @var ParagonIE_Sodium_Core32_Int64 $s0
         * @var ParagonIE_Sodium_Core32_Int64 $s1
         * @var ParagonIE_Sodium_Core32_Int64 $s2
         * @var ParagonIE_Sodium_Core32_Int64 $s3
         * @var ParagonIE_Sodium_Core32_Int64 $s4
         * @var ParagonIE_Sodium_Core32_Int64 $s5
         * @var ParagonIE_Sodium_Core32_Int64 $s6
         * @var ParagonIE_Sodium_Core32_Int64 $s7
         * @var ParagonIE_Sodium_Core32_Int64 $s8
         * @var ParagonIE_Sodium_Core32_Int64 $s9
         * @var ParagonIE_Sodium_Core32_Int64 $s10
         * @var ParagonIE_Sodium_Core32_Int64 $s11
         * @var ParagonIE_Sodium_Core32_Int64 $s12
         * @var ParagonIE_Sodium_Core32_Int64 $s13
         * @var ParagonIE_Sodium_Core32_Int64 $s14
         * @var ParagonIE_Sodium_Core32_Int64 $s15
         * @var ParagonIE_Sodium_Core32_Int64 $s16
         * @var ParagonIE_Sodium_Core32_Int64 $s17
         * @var ParagonIE_Sodium_Core32_Int64 $s18
         * @var ParagonIE_Sodium_Core32_Int64 $s19
         * @var ParagonIE_Sodium_Core32_Int64 $s20
         * @var ParagonIE_Sodium_Core32_Int64 $s21
         * @var ParagonIE_Sodium_Core32_Int64 $s22
         * @var ParagonIE_Sodium_Core32_Int64 $s23
         */
        $s0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 0, 3)));
        $s1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 2, 4)) >> 5));
        $s2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 5, 3)) >> 2));
        $s3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 7, 4)) >> 7));
        $s4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 10, 4)) >> 4));
        $s5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 13, 3)) >> 1));
        $s6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 15, 4)) >> 6));
        $s7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 18, 4)) >> 3));
        $s8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 21, 3)));
        $s9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 23, 4)) >> 5));
        $s10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 26, 3)) >> 2));
        $s11 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 28, 4)) >> 7));
        $s12 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 31, 4)) >> 4));
        $s13 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 34, 3)) >> 1));
        $s14 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 36, 4)) >> 6));
        $s15 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 39, 4)) >> 3));
        $s16 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 42, 3)));
        $s17 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 44, 4)) >> 5));
        $s18 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 47, 3)) >> 2));
        $s19 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 49, 4)) >> 7));
        $s20 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 52, 4)) >> 4));
        $s21 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 55, 3)) >> 1));
        $s22 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 57, 4)) >> 6));
        $s23 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($s, 60, 4)) >> 3));

$carry0 = $s0->addInt(1 << 20)->shiftRight(21);
        $s1 = $s1->addInt64($carry0);
        $s0 = $s0->subInt64($carry0->shiftLeft(21));
        $carry2 = $s2->addInt(1 << 20)->shiftRight(21);
        $s3 = $s3->addInt64($carry2);
        $s2 = $s2->subInt64($carry2->shiftLeft(21));
        $carry4 = $s4->addInt(1 << 20)->shiftRight(21);
        $s5 = $s5->addInt64($carry4);
        $s4 = $s4->subInt64($carry4->shiftLeft(21));
        $carry6 = $s6->addInt(1 << 20)->shiftRight(21);
        $s7 = $s7->addInt64($carry6);
        $s6 = $s6->subInt64($carry6->shiftLeft(21));
        $carry8 = $s8->addInt(1 << 20)->shiftRight(21);
        $s9 = $s9->addInt64($carry8);
        $s8 = $s8->subInt64($carry8->shiftLeft(21));
        $carry10 = $s10->addInt(1 << 20)->shiftRight(21);
        $s11 = $s11->addInt64($carry10);
        $s10 = $s10->subInt64($carry10->shiftLeft(21));
        $carry1 = $s1->addInt(1 << 20)->shiftRight(21);
        $s2 = $s2->addInt64($carry1);
        $s1 = $s1->subInt64($carry1->shiftLeft(21));
        $carry3 = $s3->addInt(1 << 20)->shiftRight(21);
        $s4 = $s4->addInt64($carry3);
        $s3 = $s3->subInt64($carry3->shiftLeft(21));
        $carry5 = $s5->addInt(1 << 20)->shiftRight(21);
        $s6 = $s6->addInt64($carry5);
        $s5 = $s5->subInt64($carry5->shiftLeft(21));
        $carry7 = $s7->addInt(1 << 20)->shiftRight(21);
        $s8 = $s8->addInt64($carry7);
        $s7 = $s7->subInt64($carry7->shiftLeft(21));
        $carry9 = $s9->addInt(1 << 20)->shiftRight(21);
        $s10 = $s10->addInt64($carry9);
        $s9 = $s9->subInt64($carry9->shiftLeft(21));
        $carry11 = $s11->addInt(1 << 20)->shiftRight(21);
        $s12 = $s12->addInt64($carry11);
        $s11 = $s11->subInt64($carry11->shiftLeft(21));

$S0 = $s0->toInt32()->toInt();
        $S1 = $s1->toInt32()->toInt();
        $S2 = $s2->toInt32()->toInt();
        $S3 = $s3->toInt32()->toInt();
        $S4 = $s4->toInt32()->toInt();
        $S5 = $s5->toInt32()->toInt();
        $S6 = $s6->toInt32()->toInt();
        $S7 = $s7->toInt32()->toInt();
        $S8 = $s8->toInt32()->toInt();
        $S9 = $s9->toInt32()->toInt();
        $S10 = $s10->toInt32()->toInt();
        $S11 = $s11->toInt32()->toInt();

/**
         * @var array<int, int>
         */
        $arr = array(
            (int) ($S0 >> 0),
            (int) ($S0 >> 8),
            (int) (($S0 >> 16) | ($S1 << 5)),
            (int) ($S1 >> 3),
            (int) ($S1 >> 11),
            (int) (($S1 >> 19) | ($S2 << 2)),
            (int) ($S2 >> 6),
            (int) (($S2 >> 14) | ($S3 << 7)),
            (int) ($S3 >> 1),
            (int) ($S3 >> 9),
            (int) (($S3 >> 17) | ($S4 << 4)),
            (int) ($S4 >> 4),
            (int) ($S4 >> 12),
            (int) (($S4 >> 20) | ($S5 << 1)),
            (int) ($S5 >> 7),
            (int) (($S5 >> 15) | ($S6 << 6)),
            (int) ($S6 >> 2),
            (int) ($S6 >> 10),
            (int) (($S6 >> 18) | ($S7 << 3)),
            (int) ($S7 >> 5),
            (int) ($S7 >> 13),
            (int) ($S8 >> 0),
            (int) ($S8 >> 8),
            (int) (($S8 >> 16) | ($S9 << 5)),
            (int) ($S9 >> 3),
            (int) ($S9 >> 11),
            (int) (($S9 >> 19) | ($S10 << 2)),
            (int) ($S10 >> 6),
            (int) (($S10 >> 14) | ($S11 << 7)),
            (int) ($S11 >> 1),
            (int) ($S11 >> 9),
            (int) $S11 >> 17
        );
        return self::intArrayToString($arr);
    }

/**
     * multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A
     * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ge_mul_l(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A)
    {
        $aslide = array(
            13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0,
            0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0,
            0, 0, 0, -13, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0,
            0, 0, 11, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1,
            0, 0, 0, 0, 3, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0,
            0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 5, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
        );

/** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai size 8 */
        $Ai = array();

# ge_p3_to_cached(&Ai[0], A);
        $Ai[0] = self::ge_p3_to_cached($A);
        # ge_p3_dbl(&t, A);
        $t = self::ge_p3_dbl($A);
        # ge_p1p1_to_p3(&A2, &t);
        $A2 = self::ge_p1p1_to_p3($t);

for ($i = 1; $i < 8; ++$i) {
            # ge_add(&t, &A2, &Ai[0]);
            $t = self::ge_add($A2, $Ai[$i - 1]);
            # ge_p1p1_to_p3(&u, &t);
            $u = self::ge_p1p1_to_p3($t);
            # ge_p3_to_cached(&Ai[i], &u);
            $Ai[$i] = self::ge_p3_to_cached($u);
        }

$r = self::ge_p3_0();
        for ($i = 252; $i >= 0; --$i) {
            $t = self::ge_p3_dbl($r);
            if ($aslide[$i] > 0) {
                # ge_p1p1_to_p3(&u, &t);
                $u = self::ge_p1p1_to_p3($t);
                # ge_add(&t, &u, &Ai[aslide[i] / 2]);
                $t = self::ge_add($u, $Ai[(int)($aslide[$i] / 2)]);
            } elseif ($aslide[$i] < 0) {
                # ge_p1p1_to_p3(&u, &t);
                $u = self::ge_p1p1_to_p3($t);
                # ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]);
                $t = self::ge_sub($u, $Ai[(int)(-$aslide[$i] / 2)]);
            }
        }
        # ge_p1p1_to_p3(r, &t);
        return self::ge_p1p1_to_p3($t);
    }
}
��������������������������������������������������������������������������������������������������������������������������������������������������SecretStream/State.php������������������������������������������������������������������������������0000644�����������������00000007110�15221413146�0010734 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

/**
 * Class ParagonIE_Sodium_Core32_SecretStream_State
 */
class ParagonIE_Sodium_Core32_SecretStream_State
{
    /** @var string $key */
    protected $key;

/** @var int $counter */
    protected $counter;

/** @var string $nonce */
    protected $nonce;

/** @var string $_pad */
    protected $_pad;

/**
     * ParagonIE_Sodium_Core32_SecretStream_State constructor.
     * @param string $key
     * @param string|null $nonce
     */
    public function __construct($key, $nonce = null)
    {
        $this->key = $key;
        $this->counter = 1;
        if (is_null($nonce)) {
            $nonce = str_repeat("\0", 12);
        }
        $this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);;
        $this->_pad = str_repeat("\0", 4);
    }

/**
     * @return self
     */
    public function counterReset()
    {
        $this->counter = 1;
        $this->_pad = str_repeat("\0", 4);
        return $this;
    }

/**
     * @return string
     */
    public function getKey()
    {
        return $this->key;
    }

/**
     * @return string
     */
    public function getCounter()
    {
        return ParagonIE_Sodium_Core32_Util::store32_le($this->counter);
    }

/**
     * @return string
     */
    public function getNonce()
    {
        if (!is_string($this->nonce)) {
            $this->nonce = str_repeat("\0", 12);
        }
        if (ParagonIE_Sodium_Core32_Util::strlen($this->nonce) !== 12) {
            $this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT);
        }
        return $this->nonce;
    }

/**
     * @return string
     */
    public function getCombinedNonce()
    {
        return $this->getCounter() .
            ParagonIE_Sodium_Core32_Util::substr($this->getNonce(), 0, 8);
    }

/**
     * @return self
     */
    public function incrementCounter()
    {
        ++$this->counter;
        return $this;
    }

/**
     * @return bool
     */
    public function needsRekey()
    {
        return ($this->counter & 0xffff) === 0;
    }

/**
     * @param string $newKeyAndNonce
     * @return self
     */
    public function rekey($newKeyAndNonce)
    {
        $this->key = ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 0, 32);
        $this->nonce = str_pad(
            ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 32),
            12,
            "\0",
            STR_PAD_RIGHT
        );
        return $this;
    }

/**
     * @param string $str
     * @return self
     */
    public function xorNonce($str)
    {
        $this->nonce = ParagonIE_Sodium_Core32_Util::xorStrings(
            $this->getNonce(),
            str_pad(
                ParagonIE_Sodium_Core32_Util::substr($str, 0, 8),
                12,
                "\0",
                STR_PAD_RIGHT
            )
        );
        return $this;
    }

/**
     * @param string $string
     * @return self
     */
    public static function fromString($string)
    {
        $state = new ParagonIE_Sodium_Core32_SecretStream_State(
            ParagonIE_Sodium_Core32_Util::substr($string, 0, 32)
        );
        $state->counter = ParagonIE_Sodium_Core32_Util::load_4(
            ParagonIE_Sodium_Core32_Util::substr($string, 32, 4)
        );
        $state->nonce = ParagonIE_Sodium_Core32_Util::substr($string, 36, 12);
        $state->_pad = ParagonIE_Sodium_Core32_Util::substr($string, 48, 8);
        return $state;
    }

/**
     * @return string
     */
    public function toString()
    {
        return $this->key .
            $this->getCounter() .
            $this->nonce .
            $this->_pad;
    }
}
��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������XChaCha20.php���������������������������������������������������������������������������������������0000644�����������������00000004626�15221413146�0006665 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_XChaCha20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_XChaCha20
 */
class ParagonIE_Sodium_Core32_XChaCha20 extends ParagonIE_Sodium_Core32_HChaCha20
{
    /**
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function stream($len = 64, $nonce = '', $key = '')
    {
        if (self::strlen($nonce) !== 24) {
            throw new SodiumException('Nonce must be 24 bytes long');
        }
        return self::encryptBytes(
            new ParagonIE_Sodium_Core32_ChaCha20_Ctx(
                self::hChaCha20(
                    self::substr($nonce, 0, 16),
                    $key
                ),
                self::substr($nonce, 16, 8)
            ),
            str_repeat("\x00", $len)
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @param string $ic
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx(
                self::hChaCha20(self::substr($nonce, 0, 16), $key),
                "\x00\x00\x00\x00" . self::substr($nonce, 16, 8),
                $ic
            ),
            $message
        );
    }
}
����������������������������������������������������������������������������������������������������������Poly1305/State.php����������������������������������������������������������������������������������0000644�����������������00000037135�15221413146�0007601 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Poly1305_State', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Poly1305_State
 */
class ParagonIE_Sodium_Core32_Poly1305_State extends ParagonIE_Sodium_Core32_Util
{
    /**
     * @var array<int, int>
     */
    protected $buffer = array();

/**
     * @var bool
     */
    protected $final = false;

/**
     * @var array<int, ParagonIE_Sodium_Core32_Int32>
     */
    public $h;

/**
     * @var int
     */
    protected $leftover = 0;

/**
     * @var array<int, ParagonIE_Sodium_Core32_Int32>
     */
    public $r;

/**
     * @var array<int, ParagonIE_Sodium_Core32_Int64>
     */
    public $pad;

/**
     * ParagonIE_Sodium_Core32_Poly1305_State constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $key
     * @throws InvalidArgumentException
     * @throws SodiumException
     * @throws TypeError
     */
    public function __construct($key = '')
    {
        if (self::strlen($key) < 32) {
            throw new InvalidArgumentException(
                'Poly1305 requires a 32-byte key'
            );
        }
        /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
        $this->r = array(
            // st->r[0] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4))
                ->setUnsignedInt(true)
                ->mask(0x3ffffff),
            // st->r[1] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 3, 4))
                ->setUnsignedInt(true)
                ->shiftRight(2)
                ->mask(0x3ffff03),
            // st->r[2] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 6, 4))
                ->setUnsignedInt(true)
                ->shiftRight(4)
                ->mask(0x3ffc0ff),
            // st->r[3] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 9, 4))
                ->setUnsignedInt(true)
                ->shiftRight(6)
                ->mask(0x3f03fff),
            // st->r[4] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4))
                ->setUnsignedInt(true)
                ->shiftRight(8)
                ->mask(0x00fffff)
        );

/* h = 0 */
        $this->h = array(
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true)
        );

/* save pad for later */
        $this->pad = array(
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4))
                ->setUnsignedInt(true)->toInt64(),
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4))
                ->setUnsignedInt(true)->toInt64(),
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4))
                ->setUnsignedInt(true)->toInt64(),
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4))
                ->setUnsignedInt(true)->toInt64(),
        );

$this->leftover = 0;
        $this->final = false;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public function update($message = '')
    {
        $bytes = self::strlen($message);

/* handle leftover */
        if ($this->leftover) {
            /** @var int $want */
            $want = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - $this->leftover;
            if ($want > $bytes) {
                $want = $bytes;
            }
            for ($i = 0; $i < $want; ++$i) {
                $mi = self::chrToInt($message[$i]);
                $this->buffer[$this->leftover + $i] = $mi;
            }
            // We snip off the leftmost bytes.
            $message = self::substr($message, $want);
            $bytes = self::strlen($message);
            $this->leftover += $want;
            if ($this->leftover < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
                // We still don't have enough to run $this->blocks()
                return $this;
            }

$this->blocks(
                self::intArrayToString($this->buffer),
                ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
            );
            $this->leftover = 0;
        }

/* process full blocks */
        if ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
            /** @var int $want */
            $want = $bytes & ~(ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - 1);
            if ($want >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
                /** @var string $block */
                $block = self::substr($message, 0, $want);
                if (self::strlen($block) >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
                    $this->blocks($block, $want);
                    $message = self::substr($message, $want);
                    $bytes = self::strlen($message);
                }
            }
        }

/* store leftover */
        if ($bytes) {
            for ($i = 0; $i < $bytes; ++$i) {
                $mi = self::chrToInt($message[$i]);
                $this->buffer[$this->leftover + $i] = $mi;
            }
            $this->leftover = (int) $this->leftover + $bytes;
        }
        return $this;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param int $bytes
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public function blocks($message, $bytes)
    {
        if (self::strlen($message) < 16) {
            $message = str_pad($message, 16, "\x00", STR_PAD_RIGHT);
        }
        $hibit = ParagonIE_Sodium_Core32_Int32::fromInt((int) ($this->final ? 0 : 1 << 24)); /* 1 << 128 */
        $hibit->setUnsignedInt(true);
        $zero = new ParagonIE_Sodium_Core32_Int64(array(0, 0, 0, 0), true);
        /**
         * @var ParagonIE_Sodium_Core32_Int64 $d0
         * @var ParagonIE_Sodium_Core32_Int64 $d1
         * @var ParagonIE_Sodium_Core32_Int64 $d2
         * @var ParagonIE_Sodium_Core32_Int64 $d3
         * @var ParagonIE_Sodium_Core32_Int64 $d4
         * @var ParagonIE_Sodium_Core32_Int64 $r0
         * @var ParagonIE_Sodium_Core32_Int64 $r1
         * @var ParagonIE_Sodium_Core32_Int64 $r2
         * @var ParagonIE_Sodium_Core32_Int64 $r3
         * @var ParagonIE_Sodium_Core32_Int64 $r4
         *
         * @var ParagonIE_Sodium_Core32_Int32 $h0
         * @var ParagonIE_Sodium_Core32_Int32 $h1
         * @var ParagonIE_Sodium_Core32_Int32 $h2
         * @var ParagonIE_Sodium_Core32_Int32 $h3
         * @var ParagonIE_Sodium_Core32_Int32 $h4
         */
        $r0 = $this->r[0]->toInt64();
        $r1 = $this->r[1]->toInt64();
        $r2 = $this->r[2]->toInt64();
        $r3 = $this->r[3]->toInt64();
        $r4 = $this->r[4]->toInt64();

$s1 = $r1->toInt64()->mulInt(5, 3);
        $s2 = $r2->toInt64()->mulInt(5, 3);
        $s3 = $r3->toInt64()->mulInt(5, 3);
        $s4 = $r4->toInt64()->mulInt(5, 3);

$h0 = $this->h[0];
        $h1 = $this->h[1];
        $h2 = $this->h[2];
        $h3 = $this->h[3];
        $h4 = $this->h[4];

while ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
            /* h += m[i] */
            $h0 = $h0->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4))
                    ->mask(0x3ffffff)
            )->toInt64();
            $h1 = $h1->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 3, 4))
                    ->shiftRight(2)
                    ->mask(0x3ffffff)
            )->toInt64();
            $h2 = $h2->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 6, 4))
                    ->shiftRight(4)
                    ->mask(0x3ffffff)
            )->toInt64();
            $h3 = $h3->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 9, 4))
                    ->shiftRight(6)
                    ->mask(0x3ffffff)
            )->toInt64();
            $h4 = $h4->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4))
                    ->shiftRight(8)
                    ->orInt32($hibit)
            )->toInt64();

/* h *= r */
            $d0 = $zero
                ->addInt64($h0->mulInt64($r0, 27))
                ->addInt64($s4->mulInt64($h1, 27))
                ->addInt64($s3->mulInt64($h2, 27))
                ->addInt64($s2->mulInt64($h3, 27))
                ->addInt64($s1->mulInt64($h4, 27));

$d1 = $zero
                ->addInt64($h0->mulInt64($r1, 27))
                ->addInt64($h1->mulInt64($r0, 27))
                ->addInt64($s4->mulInt64($h2, 27))
                ->addInt64($s3->mulInt64($h3, 27))
                ->addInt64($s2->mulInt64($h4, 27));

$d2 = $zero
                ->addInt64($h0->mulInt64($r2, 27))
                ->addInt64($h1->mulInt64($r1, 27))
                ->addInt64($h2->mulInt64($r0, 27))
                ->addInt64($s4->mulInt64($h3, 27))
                ->addInt64($s3->mulInt64($h4, 27));

$d3 = $zero
                ->addInt64($h0->mulInt64($r3, 27))
                ->addInt64($h1->mulInt64($r2, 27))
                ->addInt64($h2->mulInt64($r1, 27))
                ->addInt64($h3->mulInt64($r0, 27))
                ->addInt64($s4->mulInt64($h4, 27));

$d4 = $zero
                ->addInt64($h0->mulInt64($r4, 27))
                ->addInt64($h1->mulInt64($r3, 27))
                ->addInt64($h2->mulInt64($r2, 27))
                ->addInt64($h3->mulInt64($r1, 27))
                ->addInt64($h4->mulInt64($r0, 27));

/* (partial) h %= p */
            $c = $d0->shiftRight(26);
            $h0 = $d0->toInt32()->mask(0x3ffffff);
            $d1 = $d1->addInt64($c);

$c = $d1->shiftRight(26);
            $h1 = $d1->toInt32()->mask(0x3ffffff);
            $d2 = $d2->addInt64($c);

$c = $d2->shiftRight(26);
            $h2 = $d2->toInt32()->mask(0x3ffffff);
            $d3 = $d3->addInt64($c);

$c = $d3->shiftRight(26);
            $h3 = $d3->toInt32()->mask(0x3ffffff);
            $d4 = $d4->addInt64($c);

$c = $d4->shiftRight(26);
            $h4 = $d4->toInt32()->mask(0x3ffffff);
            $h0 = $h0->addInt32($c->toInt32()->mulInt(5, 3));

$c = $h0->shiftRight(26);
            $h0 = $h0->mask(0x3ffffff);
            $h1 = $h1->addInt32($c);

// Chop off the left 32 bytes.
            $message = self::substr(
                $message,
                ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
            );
            $bytes -= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE;
        }

/** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */
        $this->h = array($h0, $h1, $h2, $h3, $h4);
        return $this;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public function finish()
    {
        /* process the remaining block */
        if ($this->leftover) {
            $i = $this->leftover;
            $this->buffer[$i++] = 1;
            for (; $i < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE; ++$i) {
                $this->buffer[$i] = 0;
            }
            $this->final = true;
            $this->blocks(
                self::substr(
                    self::intArrayToString($this->buffer),
                    0,
                    ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
                ),
                $b = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
            );
        }

/**
         * @var ParagonIE_Sodium_Core32_Int32 $f
         * @var ParagonIE_Sodium_Core32_Int32 $g0
         * @var ParagonIE_Sodium_Core32_Int32 $g1
         * @var ParagonIE_Sodium_Core32_Int32 $g2
         * @var ParagonIE_Sodium_Core32_Int32 $g3
         * @var ParagonIE_Sodium_Core32_Int32 $g4
         * @var ParagonIE_Sodium_Core32_Int32 $h0
         * @var ParagonIE_Sodium_Core32_Int32 $h1
         * @var ParagonIE_Sodium_Core32_Int32 $h2
         * @var ParagonIE_Sodium_Core32_Int32 $h3
         * @var ParagonIE_Sodium_Core32_Int32 $h4
         */
        $h0 = $this->h[0];
        $h1 = $this->h[1];
        $h2 = $this->h[2];
        $h3 = $this->h[3];
        $h4 = $this->h[4];

$c = $h1->shiftRight(26);           # $c = $h1 >> 26;
        $h1 = $h1->mask(0x3ffffff);         # $h1 &= 0x3ffffff;

$h2 = $h2->addInt32($c);            # $h2 += $c;
        $c = $h2->shiftRight(26);           # $c = $h2 >> 26;
        $h2 = $h2->mask(0x3ffffff);         # $h2 &= 0x3ffffff;

$h3 = $h3->addInt32($c);            # $h3 += $c;
        $c = $h3->shiftRight(26);           # $c = $h3 >> 26;
        $h3 = $h3->mask(0x3ffffff);         # $h3 &= 0x3ffffff;

$h4 = $h4->addInt32($c);            # $h4 += $c;
        $c = $h4->shiftRight(26);           # $c = $h4 >> 26;
        $h4 = $h4->mask(0x3ffffff);         # $h4 &= 0x3ffffff;

$h0 = $h0->addInt32($c->mulInt(5, 3)); # $h0 += self::mul($c, 5);
        $c = $h0->shiftRight(26);           # $c = $h0 >> 26;
        $h0 = $h0->mask(0x3ffffff);         # $h0 &= 0x3ffffff;
        $h1 = $h1->addInt32($c);            # $h1 += $c;

/* compute h + -p */
        $g0 = $h0->addInt(5);
        $c  = $g0->shiftRight(26);
        $g0 = $g0->mask(0x3ffffff);
        $g1 = $h1->addInt32($c);
        $c  = $g1->shiftRight(26);
        $g1 = $g1->mask(0x3ffffff);
        $g2 = $h2->addInt32($c);
        $c  = $g2->shiftRight(26);
        $g2 = $g2->mask(0x3ffffff);
        $g3 = $h3->addInt32($c);
        $c  = $g3->shiftRight(26);
        $g3 = $g3->mask(0x3ffffff);
        $g4 = $h4->addInt32($c)->subInt(1 << 26);

# $mask = ($g4 >> 31) - 1;
        /* select h if h < p, or h + -p if h >= p */
        $mask = (int) (($g4->toInt() >> 31) + 1);

$g0 = $g0->mask($mask);
        $g1 = $g1->mask($mask);
        $g2 = $g2->mask($mask);
        $g3 = $g3->mask($mask);
        $g4 = $g4->mask($mask);

/** @var int $mask */
        $mask = ~$mask;

$h0 = $h0->mask($mask)->orInt32($g0);
        $h1 = $h1->mask($mask)->orInt32($g1);
        $h2 = $h2->mask($mask)->orInt32($g2);
        $h3 = $h3->mask($mask)->orInt32($g3);
        $h4 = $h4->mask($mask)->orInt32($g4);

/* h = h % (2^128) */
        $h0 = $h0->orInt32($h1->shiftLeft(26));
        $h1 = $h1->shiftRight(6)->orInt32($h2->shiftLeft(20));
        $h2 = $h2->shiftRight(12)->orInt32($h3->shiftLeft(14));
        $h3 = $h3->shiftRight(18)->orInt32($h4->shiftLeft(8));

/* mac = (h + pad) % (2^128) */
        $f = $h0->toInt64()->addInt64($this->pad[0]);
        $h0 = $f->toInt32();
        $f = $h1->toInt64()->addInt64($this->pad[1])->addInt($h0->overflow);
        $h1 = $f->toInt32();
        $f = $h2->toInt64()->addInt64($this->pad[2])->addInt($h1->overflow);
        $h2 = $f->toInt32();
        $f = $h3->toInt64()->addInt64($this->pad[3])->addInt($h2->overflow);
        $h3 = $f->toInt32();

return $h0->toReverseString() .
            $h1->toReverseString() .
            $h2->toReverseString() .
            $h3->toReverseString();
    }
}
�����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Poly1305/error_log����������������������������������������������������������������������������������0000644�����������������00000005522�15221413146�0007720 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������[05-Oct-2025 04:44:05 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[17-Dec-2025 04:58:43 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[13-Jan-2026 07:50:02 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[24-Jan-2026 04:21:44 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[20-Feb-2026 00:12:05 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[22-Feb-2026 12:38:57 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[09-Mar-2026 06:20:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[26-Mar-2026 18:59:40 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[30-May-2026 05:20:48 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
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if (class_exists('ParagonIE_Sodium_Core32_ChaCha20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_ChaCha20
 */
class ParagonIE_Sodium_Core32_ChaCha20 extends ParagonIE_Sodium_Core32_Util
{
    /**
     * The ChaCha20 quarter round function. Works on four 32-bit integers.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Int32 $a
     * @param ParagonIE_Sodium_Core32_Int32 $b
     * @param ParagonIE_Sodium_Core32_Int32 $c
     * @param ParagonIE_Sodium_Core32_Int32 $d
     * @return array<int, ParagonIE_Sodium_Core32_Int32>
     * @throws SodiumException
     * @throws TypeError
     */
    protected static function quarterRound(
        ParagonIE_Sodium_Core32_Int32 $a,
        ParagonIE_Sodium_Core32_Int32 $b,
        ParagonIE_Sodium_Core32_Int32 $c,
        ParagonIE_Sodium_Core32_Int32 $d
    ) {
        /** @var ParagonIE_Sodium_Core32_Int32 $a */
        /** @var ParagonIE_Sodium_Core32_Int32 $b */
        /** @var ParagonIE_Sodium_Core32_Int32 $c */
        /** @var ParagonIE_Sodium_Core32_Int32 $d */

# a = PLUS(a,b); d = ROTATE(XOR(d,a),16);
        $a = $a->addInt32($b);
        $d = $d->xorInt32($a)->rotateLeft(16);

# c = PLUS(c,d); b = ROTATE(XOR(b,c),12);
        $c = $c->addInt32($d);
        $b = $b->xorInt32($c)->rotateLeft(12);

# a = PLUS(a,b); d = ROTATE(XOR(d,a), 8);
        $a = $a->addInt32($b);
        $d = $d->xorInt32($a)->rotateLeft(8);

# c = PLUS(c,d); b = ROTATE(XOR(b,c), 7);
        $c = $c->addInt32($d);
        $b = $b->xorInt32($c)->rotateLeft(7);

return array($a, $b, $c, $d);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx
     * @param string $message
     *
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function encryptBytes(
        ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx,
        $message = ''
    ) {
        $bytes = self::strlen($message);

/** @var ParagonIE_Sodium_Core32_Int32 $x0 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x1 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x2 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x3 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x4 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x5 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x6 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x7 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x8 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x9 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x10 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x11 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x12 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x13 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x14 */
        /** @var ParagonIE_Sodium_Core32_Int32 $x15 */

/*
        j0 = ctx->input[0];
        j1 = ctx->input[1];
        j2 = ctx->input[2];
        j3 = ctx->input[3];
        j4 = ctx->input[4];
        j5 = ctx->input[5];
        j6 = ctx->input[6];
        j7 = ctx->input[7];
        j8 = ctx->input[8];
        j9 = ctx->input[9];
        j10 = ctx->input[10];
        j11 = ctx->input[11];
        j12 = ctx->input[12];
        j13 = ctx->input[13];
        j14 = ctx->input[14];
        j15 = ctx->input[15];
        */
        /** @var ParagonIE_Sodium_Core32_Int32 $j0 */
        $j0  = $ctx[0];
        /** @var ParagonIE_Sodium_Core32_Int32 $j1 */
        $j1  = $ctx[1];
        /** @var ParagonIE_Sodium_Core32_Int32 $j2 */
        $j2  = $ctx[2];
        /** @var ParagonIE_Sodium_Core32_Int32 $j3 */
        $j3  = $ctx[3];
        /** @var ParagonIE_Sodium_Core32_Int32 $j4 */
        $j4  = $ctx[4];
        /** @var ParagonIE_Sodium_Core32_Int32 $j5 */
        $j5  = $ctx[5];
        /** @var ParagonIE_Sodium_Core32_Int32 $j6 */
        $j6  = $ctx[6];
        /** @var ParagonIE_Sodium_Core32_Int32 $j7 */
        $j7  = $ctx[7];
        /** @var ParagonIE_Sodium_Core32_Int32 $j8 */
        $j8  = $ctx[8];
        /** @var ParagonIE_Sodium_Core32_Int32 $j9 */
        $j9  = $ctx[9];
        /** @var ParagonIE_Sodium_Core32_Int32 $j10 */
        $j10 = $ctx[10];
        /** @var ParagonIE_Sodium_Core32_Int32 $j11 */
        $j11 = $ctx[11];
        /** @var ParagonIE_Sodium_Core32_Int32 $j12 */
        $j12 = $ctx[12];
        /** @var ParagonIE_Sodium_Core32_Int32 $j13 */
        $j13 = $ctx[13];
        /** @var ParagonIE_Sodium_Core32_Int32 $j14 */
        $j14 = $ctx[14];
        /** @var ParagonIE_Sodium_Core32_Int32 $j15 */
        $j15 = $ctx[15];

$c = '';
        for (;;) {
            if ($bytes < 64) {
                $message .= str_repeat("\x00", 64 - $bytes);
            }

$x0 =  clone $j0;
            $x1 =  clone $j1;
            $x2 =  clone $j2;
            $x3 =  clone $j3;
            $x4 =  clone $j4;
            $x5 =  clone $j5;
            $x6 =  clone $j6;
            $x7 =  clone $j7;
            $x8 =  clone $j8;
            $x9 =  clone $j9;
            $x10 = clone $j10;
            $x11 = clone $j11;
            $x12 = clone $j12;
            $x13 = clone $j13;
            $x14 = clone $j14;
            $x15 = clone $j15;

# for (i = 20; i > 0; i -= 2) {
            for ($i = 20; $i > 0; $i -= 2) {
                # QUARTERROUND( x0,  x4,  x8,  x12)
                list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12);

# QUARTERROUND( x1,  x5,  x9,  x13)
                list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13);

# QUARTERROUND( x2,  x6,  x10,  x14)
                list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14);

# QUARTERROUND( x3,  x7,  x11,  x15)
                list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15);

# QUARTERROUND( x0,  x5,  x10,  x15)
                list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15);

# QUARTERROUND( x1,  x6,  x11,  x12)
                list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12);

# QUARTERROUND( x2,  x7,  x8,  x13)
                list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13);

# QUARTERROUND( x3,  x4,  x9,  x14)
                list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14);
            }
            /*
            x0 = PLUS(x0, j0);
            x1 = PLUS(x1, j1);
            x2 = PLUS(x2, j2);
            x3 = PLUS(x3, j3);
            x4 = PLUS(x4, j4);
            x5 = PLUS(x5, j5);
            x6 = PLUS(x6, j6);
            x7 = PLUS(x7, j7);
            x8 = PLUS(x8, j8);
            x9 = PLUS(x9, j9);
            x10 = PLUS(x10, j10);
            x11 = PLUS(x11, j11);
            x12 = PLUS(x12, j12);
            x13 = PLUS(x13, j13);
            x14 = PLUS(x14, j14);
            x15 = PLUS(x15, j15);
            */
            $x0 = $x0->addInt32($j0);
            $x1 = $x1->addInt32($j1);
            $x2 = $x2->addInt32($j2);
            $x3 = $x3->addInt32($j3);
            $x4 = $x4->addInt32($j4);
            $x5 = $x5->addInt32($j5);
            $x6 = $x6->addInt32($j6);
            $x7 = $x7->addInt32($j7);
            $x8 = $x8->addInt32($j8);
            $x9 = $x9->addInt32($j9);
            $x10 = $x10->addInt32($j10);
            $x11 = $x11->addInt32($j11);
            $x12 = $x12->addInt32($j12);
            $x13 = $x13->addInt32($j13);
            $x14 = $x14->addInt32($j14);
            $x15 = $x15->addInt32($j15);

/*
            x0 = XOR(x0, LOAD32_LE(m + 0));
            x1 = XOR(x1, LOAD32_LE(m + 4));
            x2 = XOR(x2, LOAD32_LE(m + 8));
            x3 = XOR(x3, LOAD32_LE(m + 12));
            x4 = XOR(x4, LOAD32_LE(m + 16));
            x5 = XOR(x5, LOAD32_LE(m + 20));
            x6 = XOR(x6, LOAD32_LE(m + 24));
            x7 = XOR(x7, LOAD32_LE(m + 28));
            x8 = XOR(x8, LOAD32_LE(m + 32));
            x9 = XOR(x9, LOAD32_LE(m + 36));
            x10 = XOR(x10, LOAD32_LE(m + 40));
            x11 = XOR(x11, LOAD32_LE(m + 44));
            x12 = XOR(x12, LOAD32_LE(m + 48));
            x13 = XOR(x13, LOAD32_LE(m + 52));
            x14 = XOR(x14, LOAD32_LE(m + 56));
            x15 = XOR(x15, LOAD32_LE(m + 60));
            */
            $x0  =  $x0->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message,  0, 4)));
            $x1  =  $x1->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message,  4, 4)));
            $x2  =  $x2->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message,  8, 4)));
            $x3  =  $x3->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4)));
            $x4  =  $x4->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 16, 4)));
            $x5  =  $x5->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 20, 4)));
            $x6  =  $x6->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 24, 4)));
            $x7  =  $x7->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 28, 4)));
            $x8  =  $x8->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 32, 4)));
            $x9  =  $x9->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 36, 4)));
            $x10 = $x10->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 40, 4)));
            $x11 = $x11->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 44, 4)));
            $x12 = $x12->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 48, 4)));
            $x13 = $x13->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 52, 4)));
            $x14 = $x14->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 56, 4)));
            $x15 = $x15->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 60, 4)));

/*
                j12 = PLUSONE(j12);
                if (!j12) {
                    j13 = PLUSONE(j13);
                }
             */
            /** @var ParagonIE_Sodium_Core32_Int32 $j12 */
            $j12 = $j12->addInt(1);
            if ($j12->limbs[0] === 0 && $j12->limbs[1] === 0) {
                $j13 = $j13->addInt(1);
            }

/*
            STORE32_LE(c + 0, x0);
            STORE32_LE(c + 4, x1);
            STORE32_LE(c + 8, x2);
            STORE32_LE(c + 12, x3);
            STORE32_LE(c + 16, x4);
            STORE32_LE(c + 20, x5);
            STORE32_LE(c + 24, x6);
            STORE32_LE(c + 28, x7);
            STORE32_LE(c + 32, x8);
            STORE32_LE(c + 36, x9);
            STORE32_LE(c + 40, x10);
            STORE32_LE(c + 44, x11);
            STORE32_LE(c + 48, x12);
            STORE32_LE(c + 52, x13);
            STORE32_LE(c + 56, x14);
            STORE32_LE(c + 60, x15);
            */

$block = $x0->toReverseString() .
                $x1->toReverseString() .
                $x2->toReverseString() .
                $x3->toReverseString() .
                $x4->toReverseString() .
                $x5->toReverseString() .
                $x6->toReverseString() .
                $x7->toReverseString() .
                $x8->toReverseString() .
                $x9->toReverseString() .
                $x10->toReverseString() .
                $x11->toReverseString() .
                $x12->toReverseString() .
                $x13->toReverseString() .
                $x14->toReverseString() .
                $x15->toReverseString();

/* Partial block */
            if ($bytes < 64) {
                $c .= self::substr($block, 0, $bytes);
                break;
            }

/* Full block */
            $c .= $block;
            $bytes -= 64;
            if ($bytes <= 0) {
                break;
            }
            $message = self::substr($message, 64);
        }
        /* end for(;;) loop */

$ctx[12] = $j12;
        $ctx[13] = $j13;
        return $c;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function stream($len = 64, $nonce = '', $key = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce),
            str_repeat("\x00", $len)
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ietfStream($len, $nonce = '', $key = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce),
            str_repeat("\x00", $len)
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @param string $ic
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function streamXorIc($message, $nonce = '', $key = '', $ic = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce, $ic),
            $message
        );
    }
}
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if (class_exists('ParagonIE_Sodium_Core32_Salsa20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Salsa20
 */
abstract class ParagonIE_Sodium_Core32_Salsa20 extends ParagonIE_Sodium_Core32_Util
{
    const ROUNDS = 20;

/**
     * Calculate an salsa20 hash of a single block
     *
     * @internal You should not use this directly from another application
     *
     * @param string $in
     * @param string $k
     * @param string|null $c
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function core_salsa20($in, $k, $c = null)
    {
        /**
         * @var ParagonIE_Sodium_Core32_Int32 $x0
         * @var ParagonIE_Sodium_Core32_Int32 $x1
         * @var ParagonIE_Sodium_Core32_Int32 $x2
         * @var ParagonIE_Sodium_Core32_Int32 $x3
         * @var ParagonIE_Sodium_Core32_Int32 $x4
         * @var ParagonIE_Sodium_Core32_Int32 $x5
         * @var ParagonIE_Sodium_Core32_Int32 $x6
         * @var ParagonIE_Sodium_Core32_Int32 $x7
         * @var ParagonIE_Sodium_Core32_Int32 $x8
         * @var ParagonIE_Sodium_Core32_Int32 $x9
         * @var ParagonIE_Sodium_Core32_Int32 $x10
         * @var ParagonIE_Sodium_Core32_Int32 $x11
         * @var ParagonIE_Sodium_Core32_Int32 $x12
         * @var ParagonIE_Sodium_Core32_Int32 $x13
         * @var ParagonIE_Sodium_Core32_Int32 $x14
         * @var ParagonIE_Sodium_Core32_Int32 $x15
         * @var ParagonIE_Sodium_Core32_Int32 $j0
         * @var ParagonIE_Sodium_Core32_Int32 $j1
         * @var ParagonIE_Sodium_Core32_Int32 $j2
         * @var ParagonIE_Sodium_Core32_Int32 $j3
         * @var ParagonIE_Sodium_Core32_Int32 $j4
         * @var ParagonIE_Sodium_Core32_Int32 $j5
         * @var ParagonIE_Sodium_Core32_Int32 $j6
         * @var ParagonIE_Sodium_Core32_Int32 $j7
         * @var ParagonIE_Sodium_Core32_Int32 $j8
         * @var ParagonIE_Sodium_Core32_Int32 $j9
         * @var ParagonIE_Sodium_Core32_Int32 $j10
         * @var ParagonIE_Sodium_Core32_Int32 $j11
         * @var ParagonIE_Sodium_Core32_Int32 $j12
         * @var ParagonIE_Sodium_Core32_Int32 $j13
         * @var ParagonIE_Sodium_Core32_Int32 $j14
         * @var ParagonIE_Sodium_Core32_Int32 $j15
         */
        if (self::strlen($k) < 32) {
            throw new RangeException('Key must be 32 bytes long');
        }
        if ($c === null) {
            $x0  = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));
            $x5  = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));
            $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));
            $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));
        } else {
            $x0  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4));
            $x5  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4));
            $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4));
            $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4));
        }
        $x1  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4));
        $x2  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4));
        $x3  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4));
        $x4  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4));
        $x6  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4));
        $x7  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4));
        $x8  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4));
        $x9  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4));
        $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4));
        $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4));
        $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4));
        $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4));

$j0  = clone $x0;
        $j1  = clone $x1;
        $j2  = clone $x2;
        $j3  = clone $x3;
        $j4  = clone $x4;
        $j5  = clone $x5;
        $j6  = clone $x6;
        $j7  = clone $x7;
        $j8  = clone $x8;
        $j9  = clone $x9;
        $j10  = clone $x10;
        $j11  = clone $x11;
        $j12  = clone $x12;
        $j13  = clone $x13;
        $j14  = clone $x14;
        $j15  = clone $x15;

for ($i = self::ROUNDS; $i > 0; $i -= 2) {
            $x4  = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7));
            $x8  = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9));
            $x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13));
            $x0  = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18));

$x9  = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7));
            $x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9));
            $x1  = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13));
            $x5  = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18));

$x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7));
            $x2  = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9));
            $x6  = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13));
            $x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18));

$x3  = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7));
            $x7  = $x7->xorInt32($x3->addInt32($x15)->rotateLeft(9));
            $x11 = $x11->xorInt32($x7->addInt32($x3)->rotateLeft(13));
            $x15 = $x15->xorInt32($x11->addInt32($x7)->rotateLeft(18));

$x1  = $x1->xorInt32($x0->addInt32($x3)->rotateLeft(7));
            $x2  = $x2->xorInt32($x1->addInt32($x0)->rotateLeft(9));
            $x3  = $x3->xorInt32($x2->addInt32($x1)->rotateLeft(13));
            $x0  = $x0->xorInt32($x3->addInt32($x2)->rotateLeft(18));

$x6  = $x6->xorInt32($x5->addInt32($x4)->rotateLeft(7));
            $x7  = $x7->xorInt32($x6->addInt32($x5)->rotateLeft(9));
            $x4  = $x4->xorInt32($x7->addInt32($x6)->rotateLeft(13));
            $x5  = $x5->xorInt32($x4->addInt32($x7)->rotateLeft(18));

$x11 = $x11->xorInt32($x10->addInt32($x9)->rotateLeft(7));
            $x8  = $x8->xorInt32($x11->addInt32($x10)->rotateLeft(9));
            $x9  = $x9->xorInt32($x8->addInt32($x11)->rotateLeft(13));
            $x10 = $x10->xorInt32($x9->addInt32($x8)->rotateLeft(18));

$x12 = $x12->xorInt32($x15->addInt32($x14)->rotateLeft(7));
            $x13 = $x13->xorInt32($x12->addInt32($x15)->rotateLeft(9));
            $x14 = $x14->xorInt32($x13->addInt32($x12)->rotateLeft(13));
            $x15 = $x15->xorInt32($x14->addInt32($x13)->rotateLeft(18));
        }

$x0  = $x0->addInt32($j0);
        $x1  = $x1->addInt32($j1);
        $x2  = $x2->addInt32($j2);
        $x3  = $x3->addInt32($j3);
        $x4  = $x4->addInt32($j4);
        $x5  = $x5->addInt32($j5);
        $x6  = $x6->addInt32($j6);
        $x7  = $x7->addInt32($j7);
        $x8  = $x8->addInt32($j8);
        $x9  = $x9->addInt32($j9);
        $x10 = $x10->addInt32($j10);
        $x11 = $x11->addInt32($j11);
        $x12 = $x12->addInt32($j12);
        $x13 = $x13->addInt32($j13);
        $x14 = $x14->addInt32($j14);
        $x15 = $x15->addInt32($j15);

return $x0->toReverseString() .
            $x1->toReverseString() .
            $x2->toReverseString() .
            $x3->toReverseString() .
            $x4->toReverseString() .
            $x5->toReverseString() .
            $x6->toReverseString() .
            $x7->toReverseString() .
            $x8->toReverseString() .
            $x9->toReverseString() .
            $x10->toReverseString() .
            $x11->toReverseString() .
            $x12->toReverseString() .
            $x13->toReverseString() .
            $x14->toReverseString() .
            $x15->toReverseString();
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function salsa20($len, $nonce, $key)
    {
        if (self::strlen($key) !== 32) {
            throw new RangeException('Key must be 32 bytes long');
        }
        $kcopy = '' . $key;
        $in = self::substr($nonce, 0, 8) . str_repeat("\0", 8);
        $c = '';
        while ($len >= 64) {
            $c .= self::core_salsa20($in, $kcopy, null);
            $u = 1;
            // Internal counter.
            for ($i = 8; $i < 16; ++$i) {
                $u += self::chrToInt($in[$i]);
                $in[$i] = self::intToChr($u & 0xff);
                $u >>= 8;
            }
            $len -= 64;
        }
        if ($len > 0) {
            $c .= self::substr(
                self::core_salsa20($in, $kcopy, null),
                0,
                $len
            );
        }
        try {
            ParagonIE_Sodium_Compat::memzero($kcopy);
        } catch (SodiumException $ex) {
            $kcopy = null;
        }
        return $c;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $m
     * @param string $n
     * @param int $ic
     * @param string $k
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function salsa20_xor_ic($m, $n, $ic, $k)
    {
        $mlen = self::strlen($m);
        if ($mlen < 1) {
            return '';
        }
        $kcopy = self::substr($k, 0, 32);
        $in = self::substr($n, 0, 8);
        // Initialize the counter
        $in .= ParagonIE_Sodium_Core32_Util::store64_le($ic);

$c = '';
        while ($mlen >= 64) {
            $block = self::core_salsa20($in, $kcopy, null);
            $c .= self::xorStrings(
                self::substr($m, 0, 64),
                self::substr($block, 0, 64)
            );
            $u = 1;
            for ($i = 8; $i < 16; ++$i) {
                $u += self::chrToInt($in[$i]);
                $in[$i] = self::intToChr($u & 0xff);
                $u >>= 8;
            }

$mlen -= 64;
            $m = self::substr($m, 64);
        }

if ($mlen) {
            $block = self::core_salsa20($in, $kcopy, null);
            $c .= self::xorStrings(
                self::substr($m, 0, $mlen),
                self::substr($block, 0, $mlen)
            );
        }
        try {
            ParagonIE_Sodium_Compat::memzero($block);
            ParagonIE_Sodium_Compat::memzero($kcopy);
        } catch (SodiumException $ex) {
            $block = null;
            $kcopy = null;
        }

return $c;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function salsa20_xor($message, $nonce, $key)
    {
        return self::xorStrings(
            $message,
            self::salsa20(
                self::strlen($message),
                $nonce,
                $key
            )
        );
    }
}
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Int64.php�������������������������������������������������������������������������������������������0000644�����������������00000074704�15221413146�0006174 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

/**
 * Class ParagonIE_Sodium_Core32_Int64
 *
 * Encapsulates a 64-bit integer.
 *
 * These are immutable. It always returns a new instance.
 */
class ParagonIE_Sodium_Core32_Int64
{
    /**
     * @var array<int, int> - four 16-bit integers
     */
    public $limbs = array(0, 0, 0, 0);

/**
     * @var int
     */
    public $overflow = 0;

/**
     * @var bool
     */
    public $unsignedInt = false;

/**
     * ParagonIE_Sodium_Core32_Int64 constructor.
     * @param array $array
     * @param bool $unsignedInt
     */
    public function __construct($array = array(0, 0, 0, 0), $unsignedInt = false)
    {
        $this->limbs = array(
            (int) $array[0],
            (int) $array[1],
            (int) $array[2],
            (int) $array[3]
        );
        $this->overflow = 0;
        $this->unsignedInt = $unsignedInt;
    }

/**
     * Adds two int64 objects
     *
     * @param ParagonIE_Sodium_Core32_Int64 $addend
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function addInt64(ParagonIE_Sodium_Core32_Int64 $addend)
    {
        $i0 = $this->limbs[0];
        $i1 = $this->limbs[1];
        $i2 = $this->limbs[2];
        $i3 = $this->limbs[3];
        $j0 = $addend->limbs[0];
        $j1 = $addend->limbs[1];
        $j2 = $addend->limbs[2];
        $j3 = $addend->limbs[3];

$r3 = $i3 + ($j3 & 0xffff);
        $carry = $r3 >> 16;

$r2 = $i2 + ($j2 & 0xffff) + $carry;
        $carry = $r2 >> 16;

$r1 = $i1 + ($j1 & 0xffff) + $carry;
        $carry = $r1 >> 16;

$r0 = $i0 + ($j0 & 0xffff) + $carry;
        $carry = $r0 >> 16;

$r0 &= 0xffff;
        $r1 &= 0xffff;
        $r2 &= 0xffff;
        $r3 &= 0xffff;

$return = new ParagonIE_Sodium_Core32_Int64(
            array($r0, $r1, $r2, $r3)
        );
        $return->overflow = $carry;
        $return->unsignedInt = $this->unsignedInt;
        return $return;
    }

/**
     * Adds a normal integer to an int64 object
     *
     * @param int $int
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    public function addInt($int)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
        /** @var int $int */
        $int = (int) $int;

$i0 = $this->limbs[0];
        $i1 = $this->limbs[1];
        $i2 = $this->limbs[2];
        $i3 = $this->limbs[3];

$r3 = $i3 + ($int & 0xffff);
        $carry = $r3 >> 16;

$r2 = $i2 + (($int >> 16) & 0xffff) + $carry;
        $carry = $r2 >> 16;

$r1 = $i1 + $carry;
        $carry = $r1 >> 16;

$r0 = $i0 + $carry;
        $carry = $r0 >> 16;

$r0 &= 0xffff;
        $r1 &= 0xffff;
        $r2 &= 0xffff;
        $r3 &= 0xffff;
        $return = new ParagonIE_Sodium_Core32_Int64(
            array($r0, $r1, $r2, $r3)
        );
        $return->overflow = $carry;
        $return->unsignedInt = $this->unsignedInt;
        return $return;
    }

/**
     * @param int $b
     * @return int
     */
    public function compareInt($b = 0)
    {
        $gt = 0;
        $eq = 1;

$i = 4;
        $j = 0;
        while ($i > 0) {
            --$i;
            /** @var int $x1 */
            $x1 = $this->limbs[$i];
            /** @var int $x2 */
            $x2 = ($b >> ($j << 4)) & 0xffff;
            /** int */
            $gt |= (($x2 - $x1) >> 8) & $eq;
            /** int */
            $eq &= (($x2 ^ $x1) - 1) >> 8;
        }
        return ($gt + $gt - $eq) + 1;
    }

/**
     * @param int $b
     * @return bool
     */
    public function isGreaterThan($b = 0)
    {
        return $this->compareInt($b) > 0;
    }

/**
     * @param int $b
     * @return bool
     */
    public function isLessThanInt($b = 0)
    {
        return $this->compareInt($b) < 0;
    }

/**
     * @param int $hi
     * @param int $lo
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function mask64($hi = 0, $lo = 0)
    {
        /** @var int $a */
        $a = ($hi >> 16) & 0xffff;
        /** @var int $b */
        $b = ($hi) & 0xffff;
        /** @var int $c */
        $c = ($lo >> 16) & 0xffff;
        /** @var int $d */
        $d = ($lo & 0xffff);
        return new ParagonIE_Sodium_Core32_Int64(
            array(
                $this->limbs[0] & $a,
                $this->limbs[1] & $b,
                $this->limbs[2] & $c,
                $this->limbs[3] & $d
            ),
            $this->unsignedInt
        );
    }

/**
     * @param int $int
     * @param int $size
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedAssignment
     */
    public function mulInt($int = 0, $size = 0)
    {
        if (ParagonIE_Sodium_Compat::$fastMult) {
            return $this->mulIntFast($int);
        }
        ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
        ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
        /** @var int $int */
        $int = (int) $int;
        /** @var int $size */
        $size = (int) $size;

if (!$size) {
            $size = 63;
        }

$a = clone $this;
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;

// Initialize:
        $ret0 = 0;
        $ret1 = 0;
        $ret2 = 0;
        $ret3 = 0;
        $a0 = $a->limbs[0];
        $a1 = $a->limbs[1];
        $a2 = $a->limbs[2];
        $a3 = $a->limbs[3];

/** @var int $size */
        /** @var int $i */
        for ($i = $size; $i >= 0; --$i) {
            $mask = -($int & 1);
            $x0 = $a0 & $mask;
            $x1 = $a1 & $mask;
            $x2 = $a2 & $mask;
            $x3 = $a3 & $mask;

$ret3 += $x3;
            $c = $ret3 >> 16;

$ret2 += $x2 + $c;
            $c = $ret2 >> 16;

$ret1 += $x1 + $c;
            $c = $ret1 >> 16;

$ret0 += $x0 + $c;

$ret0 &= 0xffff;
            $ret1 &= 0xffff;
            $ret2 &= 0xffff;
            $ret3 &= 0xffff;

$a3 = $a3 << 1;
            $x3 = $a3 >> 16;
            $a2 = ($a2 << 1) | $x3;
            $x2 = $a2 >> 16;
            $a1 = ($a1 << 1) | $x2;
            $x1 = $a1 >> 16;
            $a0 = ($a0 << 1) | $x1;
            $a0 &= 0xffff;
            $a1 &= 0xffff;
            $a2 &= 0xffff;
            $a3 &= 0xffff;

$int >>= 1;
        }
        $return->limbs[0] = $ret0;
        $return->limbs[1] = $ret1;
        $return->limbs[2] = $ret2;
        $return->limbs[3] = $ret3;
        return $return;
    }

/**
     * @param ParagonIE_Sodium_Core32_Int64 $A
     * @param ParagonIE_Sodium_Core32_Int64 $B
     * @return array<int, ParagonIE_Sodium_Core32_Int64>
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedInferredReturnType
     */
    public static function ctSelect(
        ParagonIE_Sodium_Core32_Int64 $A,
        ParagonIE_Sodium_Core32_Int64 $B
    ) {
        $a = clone $A;
        $b = clone $B;
        /** @var int $aNeg */
        $aNeg = ($a->limbs[0] >> 15) & 1;
        /** @var int $bNeg */
        $bNeg = ($b->limbs[0] >> 15) & 1;
        /** @var int $m */
        $m = (-($aNeg & $bNeg)) | 1;
        /** @var int $swap */
        $swap = $bNeg & ~$aNeg;
        /** @var int $d */
        $d = -$swap;

/*
        if ($bNeg && !$aNeg) {
            $a = clone $int;
            $b = clone $this;
        } elseif($bNeg && $aNeg) {
            $a = $this->mulInt(-1);
            $b = $int->mulInt(-1);
        }
         */
        $x = $a->xorInt64($b)->mask64($d, $d);
        return array(
            $a->xorInt64($x)->mulInt($m),
            $b->xorInt64($x)->mulInt($m)
        );
    }

/**
     * @param array<int, int> $a
     * @param array<int, int> $b
     * @param int $baseLog2
     * @return array<int, int>
     */
    public function multiplyLong(array $a, array $b, $baseLog2 = 16)
    {
        $a_l = count($a);
        $b_l = count($b);
        /** @var array<int, int> $r */
        $r = array_fill(0, $a_l + $b_l + 1, 0);
        $base = 1 << $baseLog2;
        for ($i = 0; $i < $a_l; ++$i) {
            $a_i = $a[$i];
            for ($j = 0; $j < $a_l; ++$j) {
                $b_j = $b[$j];
                $product = (($a_i * $b_j) + $r[$i + $j]);
                $carry = (((int) $product >> $baseLog2) & 0xffff);
                $r[$i + $j] = ((int) $product - (int) ($carry * $base)) & 0xffff;
                $r[$i + $j + 1] += $carry;
            }
        }
        return array_slice($r, 0, 5);
    }

/**
     * @param int $int
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function mulIntFast($int)
    {
        // Handle negative numbers
        $aNeg = ($this->limbs[0] >> 15) & 1;
        $bNeg = ($int >> 31) & 1;
        $a = array_reverse($this->limbs);
        $b = array(
            $int & 0xffff,
            ($int >> 16) & 0xffff,
            -$bNeg & 0xffff,
            -$bNeg & 0xffff
        );
        if ($aNeg) {
            for ($i = 0; $i < 4; ++$i) {
                $a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
            }
            ++$a[0];
        }
        if ($bNeg) {
            for ($i = 0; $i < 4; ++$i) {
                $b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
            }
            ++$b[0];
        }
        // Multiply
        $res = $this->multiplyLong($a, $b);

// Re-apply negation to results
        if ($aNeg !== $bNeg) {
            for ($i = 0; $i < 4; ++$i) {
                $res[$i] = (0xffff ^ $res[$i]) & 0xffff;
            }
            // Handle integer overflow
            $c = 1;
            for ($i = 0; $i < 4; ++$i) {
                $res[$i] += $c;
                $c = $res[$i] >> 16;
                $res[$i] &= 0xffff;
            }
        }

// Return our values
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->limbs = array(
            $res[3] & 0xffff,
            $res[2] & 0xffff,
            $res[1] & 0xffff,
            $res[0] & 0xffff
        );
        if (count($res) > 4) {
            $return->overflow = $res[4] & 0xffff;
        }
        $return->unsignedInt = $this->unsignedInt;
        return $return;
    }

/**
     * @param ParagonIE_Sodium_Core32_Int64 $right
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function mulInt64Fast(ParagonIE_Sodium_Core32_Int64 $right)
    {
        $aNeg = ($this->limbs[0] >> 15) & 1;
        $bNeg = ($right->limbs[0] >> 15) & 1;

$a = array_reverse($this->limbs);
        $b = array_reverse($right->limbs);
        if ($aNeg) {
            for ($i = 0; $i < 4; ++$i) {
                $a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
            }
            ++$a[0];
        }
        if ($bNeg) {
            for ($i = 0; $i < 4; ++$i) {
                $b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
            }
            ++$b[0];
        }
        $res = $this->multiplyLong($a, $b);
        if ($aNeg !== $bNeg) {
            if ($aNeg !== $bNeg) {
                for ($i = 0; $i < 4; ++$i) {
                    $res[$i] = ($res[$i] ^ 0xffff) & 0xffff;
                }
                $c = 1;
                for ($i = 0; $i < 4; ++$i) {
                    $res[$i] += $c;
                    $c = $res[$i] >> 16;
                    $res[$i] &= 0xffff;
                }
            }
        }
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->limbs = array(
            $res[3] & 0xffff,
            $res[2] & 0xffff,
            $res[1] & 0xffff,
            $res[0] & 0xffff
        );
        if (count($res) > 4) {
            $return->overflow = $res[4];
        }
        return $return;
    }

/**
     * @param ParagonIE_Sodium_Core32_Int64 $int
     * @param int $size
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedAssignment
     */
    public function mulInt64(ParagonIE_Sodium_Core32_Int64 $int, $size = 0)
    {
        if (ParagonIE_Sodium_Compat::$fastMult) {
            return $this->mulInt64Fast($int);
        }
        ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
        if (!$size) {
            $size = 63;
        }
        list($a, $b) = self::ctSelect($this, $int);

$return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;

// Initialize:
        $ret0 = 0;
        $ret1 = 0;
        $ret2 = 0;
        $ret3 = 0;
        $a0 = $a->limbs[0];
        $a1 = $a->limbs[1];
        $a2 = $a->limbs[2];
        $a3 = $a->limbs[3];
        $b0 = $b->limbs[0];
        $b1 = $b->limbs[1];
        $b2 = $b->limbs[2];
        $b3 = $b->limbs[3];

/** @var int $size */
        /** @var int $i */
        for ($i = (int) $size; $i >= 0; --$i) {
            $mask = -($b3 & 1);
            $x0 = $a0 & $mask;
            $x1 = $a1 & $mask;
            $x2 = $a2 & $mask;
            $x3 = $a3 & $mask;

$ret3 += $x3;
            $c = $ret3 >> 16;

$ret2 += $x2 + $c;
            $c = $ret2 >> 16;

$ret1 += $x1 + $c;
            $c = $ret1 >> 16;

$ret0 += $x0 + $c;

$ret0 &= 0xffff;
            $ret1 &= 0xffff;
            $ret2 &= 0xffff;
            $ret3 &= 0xffff;

$x0 = ($b0 & 1) << 16;
            $x1 = ($b1 & 1) << 16;
            $x2 = ($b2 & 1) << 16;

$b0 = ($b0 >> 1);
            $b1 = (($b1 | $x0) >> 1);
            $b2 = (($b2 | $x1) >> 1);
            $b3 = (($b3 | $x2) >> 1);

$b0 &= 0xffff;
            $b1 &= 0xffff;
            $b2 &= 0xffff;
            $b3 &= 0xffff;

}
        $return->limbs[0] = $ret0;
        $return->limbs[1] = $ret1;
        $return->limbs[2] = $ret2;
        $return->limbs[3] = $ret3;

return $return;
    }

/**
     * OR this 64-bit integer with another.
     *
     * @param ParagonIE_Sodium_Core32_Int64 $b
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function orInt64(ParagonIE_Sodium_Core32_Int64 $b)
    {
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        $return->limbs = array(
            (int) ($this->limbs[0] | $b->limbs[0]),
            (int) ($this->limbs[1] | $b->limbs[1]),
            (int) ($this->limbs[2] | $b->limbs[2]),
            (int) ($this->limbs[3] | $b->limbs[3])
        );
        return $return;
    }

/**
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayAccess
     */
    public function rotateLeft($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        /** @var int $c */
        $c = (int) $c;

$return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 63;
        if ($c === 0) {
            // NOP, but we want a copy.
            $return->limbs = $this->limbs;
        } else {
            /** @var array<int, int> $limbs */
            $limbs =& $return->limbs;

/** @var array<int, int> $myLimbs */
            $myLimbs =& $this->limbs;

/** @var int $idx_shift */
            $idx_shift = ($c >> 4) & 3;
            /** @var int $sub_shift */
            $sub_shift = $c & 15;

for ($i = 3; $i >= 0; --$i) {
                /** @var int $j */
                $j = ($i + $idx_shift) & 3;
                /** @var int $k */
                $k = ($i + $idx_shift + 1) & 3;
                $limbs[$i] = (int) (
                    (
                        ((int) ($myLimbs[$j]) << $sub_shift)
                            |
                        ((int) ($myLimbs[$k]) >> (16 - $sub_shift))
                    ) & 0xffff
                );
            }
        }
        return $return;
    }

/**
     * Rotate to the right
     *
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayAccess
     */
    public function rotateRight($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        /** @var int $c */
        $c = (int) $c;

/** @var ParagonIE_Sodium_Core32_Int64 $return */
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 63;
        /** @var int $c */
        if ($c === 0) {
            // NOP, but we want a copy.
            $return->limbs = $this->limbs;
        } else {
            /** @var array<int, int> $limbs */
            $limbs =& $return->limbs;

/** @var array<int, int> $myLimbs */
            $myLimbs =& $this->limbs;

/** @var int $idx_shift */
            $idx_shift = ($c >> 4) & 3;
            /** @var int $sub_shift */
            $sub_shift = $c & 15;

for ($i = 3; $i >= 0; --$i) {
                /** @var int $j */
                $j = ($i - $idx_shift) & 3;
                /** @var int $k */
                $k = ($i - $idx_shift - 1) & 3;
                $limbs[$i] = (int) (
                    (
                        ((int) ($myLimbs[$j]) >> (int) ($sub_shift))
                            |
                        ((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift)))
                    ) & 0xffff
                );
            }
        }
        return $return;
    }
    /**
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    public function shiftLeft($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        /** @var int $c */
        $c = (int) $c;

$return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 63;

if ($c >= 16) {
            if ($c >= 48) {
                $return->limbs = array(
                    $this->limbs[3], 0, 0, 0
                );
            } elseif ($c >= 32) {
                $return->limbs = array(
                    $this->limbs[2], $this->limbs[3], 0, 0
                );
            } else {
                $return->limbs = array(
                    $this->limbs[1], $this->limbs[2], $this->limbs[3], 0
                );
            }
            return $return->shiftLeft($c & 15);
        }
        if ($c === 0) {
            $return->limbs = $this->limbs;
        } elseif ($c < 0) {
            /** @var int $c */
            return $this->shiftRight(-$c);
        } else {
            if (!is_int($c)) {
                throw new TypeError();
            }
            /** @var int $carry */
            $carry = 0;
            for ($i = 3; $i >= 0; --$i) {
                /** @var int $tmp */
                $tmp = ($this->limbs[$i] << $c) | ($carry & 0xffff);
                $return->limbs[$i] = (int) ($tmp & 0xffff);
                /** @var int $carry */
                $carry = $tmp >> 16;
            }
        }
        return $return;
    }

/**
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    public function shiftRight($c = 0)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
        $c = (int) $c;
        /** @var int $c */
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        $c &= 63;

$negative = -(($this->limbs[0] >> 15) & 1);
        if ($c >= 16) {
            if ($c >= 48) {
                $return->limbs = array(
                    (int) ($negative & 0xffff),
                    (int) ($negative & 0xffff),
                    (int) ($negative & 0xffff),
                    (int) $this->limbs[0]
                );
            } elseif ($c >= 32) {
                $return->limbs = array(
                    (int) ($negative & 0xffff),
                    (int) ($negative & 0xffff),
                    (int) $this->limbs[0],
                    (int) $this->limbs[1]
                );
            } else {
                $return->limbs = array(
                    (int) ($negative & 0xffff),
                    (int) $this->limbs[0],
                    (int) $this->limbs[1],
                    (int) $this->limbs[2]
                );
            }
            return $return->shiftRight($c & 15);
        }

if ($c === 0) {
            $return->limbs = $this->limbs;
        } elseif ($c < 0) {
            return $this->shiftLeft(-$c);
        } else {
            if (!is_int($c)) {
                throw new TypeError();
            }
            /** @var int $carryRight */
            $carryRight = ($negative & 0xffff);
            $mask = (int) (((1 << ($c + 1)) - 1) & 0xffff);
            for ($i = 0; $i < 4; ++$i) {
                $return->limbs[$i] = (int) (
                    (($this->limbs[$i] >> $c) | ($carryRight << (16 - $c))) & 0xffff
                );
                $carryRight = (int) ($this->limbs[$i] & $mask);
            }
        }
        return $return;
    }

/**
     * Subtract a normal integer from an int64 object.
     *
     * @param int $int
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    public function subInt($int)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
        $int = (int) $int;

$return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;

/** @var int $carry */
        $carry = 0;
        for ($i = 3; $i >= 0; --$i) {
            /** @var int $tmp */
            $tmp = $this->limbs[$i] - (($int >> 16) & 0xffff) + $carry;
            /** @var int $carry */
            $carry = $tmp >> 16;
            $return->limbs[$i] = (int) ($tmp & 0xffff);
        }
        return $return;
    }

/**
     * The difference between two Int64 objects.
     *
     * @param ParagonIE_Sodium_Core32_Int64 $b
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function subInt64(ParagonIE_Sodium_Core32_Int64 $b)
    {
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        /** @var int $carry */
        $carry = 0;
        for ($i = 3; $i >= 0; --$i) {
            /** @var int $tmp */
            $tmp = $this->limbs[$i] - $b->limbs[$i] + $carry;
            /** @var int $carry */
            $carry = ($tmp >> 16);
            $return->limbs[$i] = (int) ($tmp & 0xffff);
        }
        return $return;
    }

/**
     * XOR this 64-bit integer with another.
     *
     * @param ParagonIE_Sodium_Core32_Int64 $b
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function xorInt64(ParagonIE_Sodium_Core32_Int64 $b)
    {
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->unsignedInt = $this->unsignedInt;
        $return->limbs = array(
            (int) ($this->limbs[0] ^ $b->limbs[0]),
            (int) ($this->limbs[1] ^ $b->limbs[1]),
            (int) ($this->limbs[2] ^ $b->limbs[2]),
            (int) ($this->limbs[3] ^ $b->limbs[3])
        );
        return $return;
    }

/**
     * @param int $low
     * @param int $high
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromInts($low, $high)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1);
        ParagonIE_Sodium_Core32_Util::declareScalarType($high, 'int', 2);

$high = (int) $high;
        $low = (int) $low;
        return new ParagonIE_Sodium_Core32_Int64(
            array(
                (int) (($high >> 16) & 0xffff),
                (int) ($high & 0xffff),
                (int) (($low >> 16) & 0xffff),
                (int) ($low & 0xffff)
            )
        );
    }

/**
     * @param int $low
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromInt($low)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1);
        $low = (int) $low;

return new ParagonIE_Sodium_Core32_Int64(
            array(
                0,
                0,
                (int) (($low >> 16) & 0xffff),
                (int) ($low & 0xffff)
            )
        );
    }

/**
     * @return int
     */
    public function toInt()
    {
        return (int) (
            (($this->limbs[2] & 0xffff) << 16)
                |
            ($this->limbs[3] & 0xffff)
        );
    }

/**
     * @param string $string
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromString($string)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
        $string = (string) $string;
        if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) {
            throw new RangeException(
                'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
            );
        }
        $return = new ParagonIE_Sodium_Core32_Int64();

$return->limbs[0]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8);
        $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff);
        $return->limbs[1]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8);
        $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff);
        $return->limbs[2]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff) << 8);
        $return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff);
        $return->limbs[3]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff) << 8);
        $return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff);
        return $return;
    }

/**
     * @param string $string
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromReverseString($string)
    {
        ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
        $string = (string) $string;
        if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) {
            throw new RangeException(
                'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
            );
        }
        $return = new ParagonIE_Sodium_Core32_Int64();

$return->limbs[0]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff) << 8);
        $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff);
        $return->limbs[1]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff) << 8);
        $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff);
        $return->limbs[2]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8);
        $return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff);
        $return->limbs[3]  = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8);
        $return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff);
        return $return;
    }

/**
     * @return array<int, int>
     */
    public function toArray()
    {
        return array(
            (int) ((($this->limbs[0] & 0xffff) << 16) | ($this->limbs[1] & 0xffff)),
            (int) ((($this->limbs[2] & 0xffff) << 16) | ($this->limbs[3] & 0xffff))
        );
    }

/**
     * @return ParagonIE_Sodium_Core32_Int32
     */
    public function toInt32()
    {
        $return = new ParagonIE_Sodium_Core32_Int32();
        $return->limbs[0] = (int) ($this->limbs[2]);
        $return->limbs[1] = (int) ($this->limbs[3]);
        $return->unsignedInt = $this->unsignedInt;
        $return->overflow = (int) (ParagonIE_Sodium_Core32_Util::abs($this->limbs[1], 16) & 0xffff);
        return $return;
    }

/**
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public function toInt64()
    {
        $return = new ParagonIE_Sodium_Core32_Int64();
        $return->limbs[0] = (int) ($this->limbs[0]);
        $return->limbs[1] = (int) ($this->limbs[1]);
        $return->limbs[2] = (int) ($this->limbs[2]);
        $return->limbs[3] = (int) ($this->limbs[3]);
        $return->unsignedInt = $this->unsignedInt;
        $return->overflow = ParagonIE_Sodium_Core32_Util::abs($this->overflow);
        return $return;
    }

/**
     * @param bool $bool
     * @return self
     */
    public function setUnsignedInt($bool = false)
    {
        $this->unsignedInt = !empty($bool);
        return $this;
    }

/**
     * @return string
     * @throws TypeError
     */
    public function toString()
    {
        return ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff);
    }

/**
     * @return string
     * @throws TypeError
     */
    public function toReverseString()
    {
        return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) .
            ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff);
    }

if (class_exists('ParagonIE_Sodium_Core_ChaCha20_IetfCtx', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx
 */
class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core32_ChaCha20_Ctx
{
    /**
     * ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $key     ChaCha20 key.
     * @param string $iv      Initialization Vector (a.k.a. nonce).
     * @param string $counter The initial counter value.
     *                        Defaults to 4 0x00 bytes.
     * @throws InvalidArgumentException
     * @throws SodiumException
     * @throws TypeError
     */
    public function __construct($key = '', $iv = '', $counter = '')
    {
        if (self::strlen($iv) !== 12) {
            throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.');
        }
        parent::__construct($key, self::substr($iv, 0, 8), $counter);

if (!empty($counter)) {
            $this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4));
        }
        $this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4));
        $this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4));
        $this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 8, 4));
    }
}
���������������������������������ChaCha20/Ctx.php������������������������������������������������������������������������������������0000644�����������������00000011450�15221413146�0007264 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core_ChaCha20_Ctx', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_ChaCha20_Ctx
 */
class ParagonIE_Sodium_Core32_ChaCha20_Ctx extends ParagonIE_Sodium_Core32_Util implements ArrayAccess
{
    /**
     * @var SplFixedArray internally, <int, ParagonIE_Sodium_Core32_Int32>
     */
    protected $container;

/**
     * ParagonIE_Sodium_Core_ChaCha20_Ctx constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $key     ChaCha20 key.
     * @param string $iv      Initialization Vector (a.k.a. nonce).
     * @param string $counter The initial counter value.
     *                        Defaults to 8 0x00 bytes.
     * @throws InvalidArgumentException
     * @throws SodiumException
     * @throws TypeError
     */
    public function __construct($key = '', $iv = '', $counter = '')
    {
        if (self::strlen($key) !== 32) {
            throw new InvalidArgumentException('ChaCha20 expects a 256-bit key.');
        }
        if (self::strlen($iv) !== 8) {
            throw new InvalidArgumentException('ChaCha20 expects a 64-bit nonce.');
        }
        $this->container = new SplFixedArray(16);

/* "expand 32-byte k" as per ChaCha20 spec */
        $this->container[0]  = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));
        $this->container[1]  = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));
        $this->container[2]  = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));
        $this->container[3]  = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));

$this->container[4]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4));
        $this->container[5]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4));
        $this->container[6]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4));
        $this->container[7]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4));
        $this->container[8]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4));
        $this->container[9]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4));
        $this->container[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4));
        $this->container[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4));

if (empty($counter)) {
            $this->container[12] = new ParagonIE_Sodium_Core32_Int32();
            $this->container[13] = new ParagonIE_Sodium_Core32_Int32();
        } else {
            $this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4));
            $this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 4, 4));
        }
        $this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4));
        $this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4));
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $offset
     * @param int|ParagonIE_Sodium_Core32_Int32 $value
     * @return void
     */
    #[ReturnTypeWillChange]
    public function offsetSet($offset, $value)
    {
        if (!is_int($offset)) {
            throw new InvalidArgumentException('Expected an integer');
        }
        if ($value instanceof ParagonIE_Sodium_Core32_Int32) {
            /*
        } elseif (is_int($value)) {
            $value = ParagonIE_Sodium_Core32_Int32::fromInt($value);
            */
        } else {
            throw new InvalidArgumentException('Expected an integer');
        }
        $this->container[$offset] = $value;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $offset
     * @return bool
     * @psalm-suppress MixedArrayOffset
     */
    #[ReturnTypeWillChange]
    public function offsetExists($offset)
    {
        return isset($this->container[$offset]);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $offset
     * @return void
     * @psalm-suppress MixedArrayOffset
     */
    #[ReturnTypeWillChange]
    public function offsetUnset($offset)
    {
        unset($this->container[$offset]);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $offset
     * @return mixed|null
     * @psalm-suppress MixedArrayOffset
     */
    #[ReturnTypeWillChange]
    public function offsetGet($offset)
    {
        return isset($this->container[$offset])
            ? $this->container[$offset]
            : null;
    }
}
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������ChaCha20/error_log����������������������������������������������������������������������������������0000644�����������������00000013354�15221413146�0007737 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������[05-Oct-2025 04:43:42 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[05-Oct-2025 04:43:44 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[17-Dec-2025 04:58:28 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[17-Dec-2025 04:58:28 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[13-Jan-2026 07:49:24 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[13-Jan-2026 07:49:27 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[24-Jan-2026 04:21:29 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[24-Jan-2026 04:21:29 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[20-Feb-2026 00:11:44 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[20-Feb-2026 00:11:44 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[22-Feb-2026 12:38:36 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[22-Feb-2026 12:38:36 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[09-Mar-2026 06:20:19 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[09-Mar-2026 06:20:19 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[26-Mar-2026 18:59:18 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[26-Mar-2026 18:59:19 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[30-May-2026 05:20:32 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[30-May-2026 05:20:32 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20_Ctx" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������XSalsa20.php����������������������������������������������������������������������������������������0000644�����������������00000002543�15221413146�0006615 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_XSalsa20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_XSalsa20
 */
abstract class ParagonIE_Sodium_Core32_XSalsa20 extends ParagonIE_Sodium_Core32_HSalsa20
{
    /**
     * Expand a key and nonce into an xsalsa20 keystream.
     *
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function xsalsa20($len, $nonce, $key)
    {
        $ret = self::salsa20(
            $len,
            self::substr($nonce, 16, 8),
            self::hsalsa20($nonce, $key)
        );
        return $ret;
    }

/**
     * Encrypt a string with XSalsa20. Doesn't provide integrity.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function xsalsa20_xor($message, $nonce, $key)
    {
        return self::xorStrings(
            $message,
            self::xsalsa20(
                self::strlen($message),
                $nonce,
                $key
            )
        );
    }
}
�������������������������������������������������������������������������������������������������������������������������������������������������������������Poly1305.php����������������������������������������������������������������������������������������0000644�����������������00000003062�15221413146�0006511 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Poly1305', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Poly1305
 */
abstract class ParagonIE_Sodium_Core32_Poly1305 extends ParagonIE_Sodium_Core32_Util
{
    const BLOCK_SIZE = 16;

/**
     * @internal You should not use this directly from another application
     *
     * @param string $m
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function onetimeauth($m, $key)
    {
        if (self::strlen($key) < 32) {
            throw new InvalidArgumentException(
                'Key must be 32 bytes long.'
            );
        }
        $state = new ParagonIE_Sodium_Core32_Poly1305_State(
            self::substr($key, 0, 32)
        );
        return $state
            ->update($m)
            ->finish();
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $mac
     * @param string $m
     * @param string $key
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    public static function onetimeauth_verify($mac, $m, $key)
    {
        if (self::strlen($key) < 32) {
            throw new InvalidArgumentException(
                'Key must be 32 bytes long.'
            );
        }
        $state = new ParagonIE_Sodium_Core32_Poly1305_State(
            self::substr($key, 0, 32)
        );
        $calc = $state
            ->update($m)
            ->finish();
        return self::verify_16($calc, $mac);
    }
}
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������HChaCha20.php���������������������������������������������������������������������������������������0000644�����������������00000012261�15221413146�0006637 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_HChaCha20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_HChaCha20
 */
class ParagonIE_Sodium_Core32_HChaCha20 extends ParagonIE_Sodium_Core32_ChaCha20
{
    /**
     * @param string $in
     * @param string $key
     * @param string|null $c
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function hChaCha20($in = '', $key = '', $c = null)
    {
        $ctx = array();

if ($c === null) {
            $ctx[0] = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));
            $ctx[1] = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));
            $ctx[2] = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));
            $ctx[3] = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));
        } else {
            $ctx[0] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4));
            $ctx[1] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4));
            $ctx[2] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4));
            $ctx[3] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4));
        }
        $ctx[4]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4));
        $ctx[5]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4));
        $ctx[6]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4));
        $ctx[7]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4));
        $ctx[8]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4));
        $ctx[9]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4));
        $ctx[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4));
        $ctx[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4));
        $ctx[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4));
        $ctx[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4));
        $ctx[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4));
        $ctx[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4));

return self::hChaCha20Bytes($ctx);
    }

/**
     * @param array $ctx
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    protected static function hChaCha20Bytes(array $ctx)
    {
        /** @var ParagonIE_Sodium_Core32_Int32 $x0 */
        $x0  = $ctx[0];
        /** @var ParagonIE_Sodium_Core32_Int32 $x1 */
        $x1  = $ctx[1];
        /** @var ParagonIE_Sodium_Core32_Int32 $x2 */
        $x2  = $ctx[2];
        /** @var ParagonIE_Sodium_Core32_Int32 $x3 */
        $x3  = $ctx[3];
        /** @var ParagonIE_Sodium_Core32_Int32 $x4 */
        $x4  = $ctx[4];
        /** @var ParagonIE_Sodium_Core32_Int32 $x5 */
        $x5  = $ctx[5];
        /** @var ParagonIE_Sodium_Core32_Int32 $x6 */
        $x6  = $ctx[6];
        /** @var ParagonIE_Sodium_Core32_Int32 $x7 */
        $x7  = $ctx[7];
        /** @var ParagonIE_Sodium_Core32_Int32 $x8 */
        $x8  = $ctx[8];
        /** @var ParagonIE_Sodium_Core32_Int32 $x9 */
        $x9  = $ctx[9];
        /** @var ParagonIE_Sodium_Core32_Int32 $x10 */
        $x10 = $ctx[10];
        /** @var ParagonIE_Sodium_Core32_Int32 $x11 */
        $x11 = $ctx[11];
        /** @var ParagonIE_Sodium_Core32_Int32 $x12 */
        $x12 = $ctx[12];
        /** @var ParagonIE_Sodium_Core32_Int32 $x13 */
        $x13 = $ctx[13];
        /** @var ParagonIE_Sodium_Core32_Int32 $x14 */
        $x14 = $ctx[14];
        /** @var ParagonIE_Sodium_Core32_Int32 $x15 */
        $x15 = $ctx[15];

for ($i = 0; $i < 10; ++$i) {
            # QUARTERROUND( x0,  x4,  x8,  x12)
            list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12);

# QUARTERROUND( x1,  x5,  x9,  x13)
            list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13);

# QUARTERROUND( x2,  x6,  x10,  x14)
            list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14);

# QUARTERROUND( x3,  x7,  x11,  x15)
            list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15);

# QUARTERROUND( x0,  x5,  x10,  x15)
            list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15);

# QUARTERROUND( x1,  x6,  x11,  x12)
            list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12);

# QUARTERROUND( x2,  x7,  x8,  x13)
            list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13);

# QUARTERROUND( x3,  x4,  x9,  x14)
            list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14);
        }

return $x0->toReverseString() .
            $x1->toReverseString() .
            $x2->toReverseString() .
            $x3->toReverseString() .
            $x12->toReverseString() .
            $x13->toReverseString() .
            $x14->toReverseString() .
            $x15->toReverseString();
    }
}
�����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Util.php��������������������������������������������������������������������������������������������0000644�����������������00000000321�15221413146�0006165 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Util', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_Util
 */
abstract class ParagonIE_Sodium_Core32_Util extends ParagonIE_Sodium_Core_Util
{

}
���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������HSalsa20.php����������������������������������������������������������������������������������������0000644�����������������00000015435�15221413146�0006601 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_HSalsa20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_HSalsa20
 */
abstract class ParagonIE_Sodium_Core32_HSalsa20 extends ParagonIE_Sodium_Core32_Salsa20
{
    /**
     * Calculate an hsalsa20 hash of a single block
     *
     * HSalsa20 doesn't have a counter and will never be used for more than
     * one block (used to derive a subkey for xsalsa20).
     *
     * @internal You should not use this directly from another application
     *
     * @param string $in
     * @param string $k
     * @param string|null $c
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function hsalsa20($in, $k, $c = null)
    {
        /**
         * @var ParagonIE_Sodium_Core32_Int32 $x0
         * @var ParagonIE_Sodium_Core32_Int32 $x1
         * @var ParagonIE_Sodium_Core32_Int32 $x2
         * @var ParagonIE_Sodium_Core32_Int32 $x3
         * @var ParagonIE_Sodium_Core32_Int32 $x4
         * @var ParagonIE_Sodium_Core32_Int32 $x5
         * @var ParagonIE_Sodium_Core32_Int32 $x6
         * @var ParagonIE_Sodium_Core32_Int32 $x7
         * @var ParagonIE_Sodium_Core32_Int32 $x8
         * @var ParagonIE_Sodium_Core32_Int32 $x9
         * @var ParagonIE_Sodium_Core32_Int32 $x10
         * @var ParagonIE_Sodium_Core32_Int32 $x11
         * @var ParagonIE_Sodium_Core32_Int32 $x12
         * @var ParagonIE_Sodium_Core32_Int32 $x13
         * @var ParagonIE_Sodium_Core32_Int32 $x14
         * @var ParagonIE_Sodium_Core32_Int32 $x15
         * @var ParagonIE_Sodium_Core32_Int32 $j0
         * @var ParagonIE_Sodium_Core32_Int32 $j1
         * @var ParagonIE_Sodium_Core32_Int32 $j2
         * @var ParagonIE_Sodium_Core32_Int32 $j3
         * @var ParagonIE_Sodium_Core32_Int32 $j4
         * @var ParagonIE_Sodium_Core32_Int32 $j5
         * @var ParagonIE_Sodium_Core32_Int32 $j6
         * @var ParagonIE_Sodium_Core32_Int32 $j7
         * @var ParagonIE_Sodium_Core32_Int32 $j8
         * @var ParagonIE_Sodium_Core32_Int32 $j9
         * @var ParagonIE_Sodium_Core32_Int32 $j10
         * @var ParagonIE_Sodium_Core32_Int32 $j11
         * @var ParagonIE_Sodium_Core32_Int32 $j12
         * @var ParagonIE_Sodium_Core32_Int32 $j13
         * @var ParagonIE_Sodium_Core32_Int32 $j14
         * @var ParagonIE_Sodium_Core32_Int32 $j15
         */
        if (self::strlen($k) < 32) {
            throw new RangeException('Key must be 32 bytes long');
        }
        if ($c === null) {
            $x0  = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));
            $x5  = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));
            $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));
            $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));
        } else {
            $x0  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4));
            $x5  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4));
            $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4));
            $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4));
        }
        $x1  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4));
        $x2  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4));
        $x3  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4));
        $x4  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4));
        $x6  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4));
        $x7  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4));
        $x8  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4));
        $x9  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4));
        $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4));
        $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4));
        $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4));
        $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4));

return $x0->toReverseString() .
            $x5->toReverseString() .
            $x10->toReverseString() .
            $x15->toReverseString() .
            $x6->toReverseString() .
            $x7->toReverseString() .
            $x8->toReverseString() .
            $x9->toReverseString();
    }
}
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if (class_exists('ParagonIE_Sodium_Core32_Curve25519_H', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Curve25519_H
 *
 * This just contains the constants in the ref10/base.h file
 */
class ParagonIE_Sodium_Core32_Curve25519_H extends ParagonIE_Sodium_Core32_Util
{
    /**
     * See: libsodium's crypto_core/curve25519/ref10/base.h
     *
     * @var array<int, array<int, array<int, array<int, int>>>> Basically, int[32][8][3][10]
     */
    protected static $base = array(
        array(
            array(
                array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605),
                array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378),
                array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546),
            ),
            array(
                array(-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303),
                array(-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081),
                array(26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697),
            ),
            array(
                array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024),
                array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574),
                array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357),
            ),
            array(
                array(-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540),
                array(23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397),
                array(7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325),
            ),
            array(
                array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380),
                array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306),
                array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942),
            ),
            array(
                array(-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777),
                array(-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737),
                array(-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652),
            ),
            array(
                array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766),
                array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701),
                array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300),
            ),
            array(
                array(14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726),
                array(-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955),
                array(27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425),
            ),
        ),
        array(
            array(
                array(-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171),
                array(27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510),
                array(17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660),
            ),
            array(
                array(-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639),
                array(29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963),
                array(5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950),
            ),
            array(
                array(-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568),
                array(12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335),
                array(25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628),
            ),
            array(
                array(-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007),
                array(-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772),
                array(-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653),
            ),
            array(
                array(2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567),
                array(13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686),
                array(21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372),
            ),
            array(
                array(-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887),
                array(-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954),
                array(-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953),
            ),
            array(
                array(24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833),
                array(-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532),
                array(-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876),
            ),
            array(
                array(2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268),
                array(33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214),
                array(1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038),
            ),
        ),
        array(
            array(
                array(6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800),
                array(4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645),
                array(-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664),
            ),
            array(
                array(1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933),
                array(-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182),
                array(-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222),
            ),
            array(
                array(-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991),
                array(20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880),
                array(9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092),
            ),
            array(
                array(-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295),
                array(19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788),
                array(8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553),
            ),
            array(
                array(-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026),
                array(11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347),
                array(-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033),
            ),
            array(
                array(-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395),
                array(-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278),
                array(1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890),
            ),
            array(
                array(32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995),
                array(-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596),
                array(-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891),
            ),
            array(
                array(31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060),
                array(11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608),
                array(-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606),
            ),
        ),
        array(
            array(
                array(7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389),
                array(-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016),
                array(-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341),
            ),
            array(
                array(-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505),
                array(14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553),
                array(-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655),
            ),
            array(
                array(15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220),
                array(12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631),
                array(-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099),
            ),
            array(
                array(26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556),
                array(14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749),
                array(236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930),
            ),
            array(
                array(1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391),
                array(5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253),
                array(20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066),
            ),
            array(
                array(24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958),
                array(-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082),
                array(-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383),
            ),
            array(
                array(-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521),
                array(-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807),
                array(23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948),
            ),
            array(
                array(9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134),
                array(-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455),
                array(27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629),
            ),
        ),
        array(
            array(
                array(-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069),
                array(-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746),
                array(24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919),
            ),
            array(
                array(11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837),
                array(8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906),
                array(-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771),
            ),
            array(
                array(-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817),
                array(10330056, 70051, 7957388, -9002667, 9764902, 15609756, 27698697, -4890037, 1657394, 3084098),
                array(10477963, -7470260, 12119566, -13250805, 29016247, -5365589, 31280319, 14396151, -30233575, 15272409),
            ),
            array(
                array(-12288309, 3169463, 28813183, 16658753, 25116432, -5630466, -25173957, -12636138, -25014757, 1950504),
                array(-26180358, 9489187, 11053416, -14746161, -31053720, 5825630, -8384306, -8767532, 15341279, 8373727),
                array(28685821, 7759505, -14378516, -12002860, -31971820, 4079242, 298136, -10232602, -2878207, 15190420),
            ),
            array(
                array(-32932876, 13806336, -14337485, -15794431, -24004620, 10940928, 8669718, 2742393, -26033313, -6875003),
                array(-1580388, -11729417, -25979658, -11445023, -17411874, -10912854, 9291594, -16247779, -12154742, 6048605),
                array(-30305315, 14843444, 1539301, 11864366, 20201677, 1900163, 13934231, 5128323, 11213262, 9168384),
            ),
            array(
                array(-26280513, 11007847, 19408960, -940758, -18592965, -4328580, -5088060, -11105150, 20470157, -16398701),
                array(-23136053, 9282192, 14855179, -15390078, -7362815, -14408560, -22783952, 14461608, 14042978, 5230683),
                array(29969567, -2741594, -16711867, -8552442, 9175486, -2468974, 21556951, 3506042, -5933891, -12449708),
            ),
            array(
                array(-3144746, 8744661, 19704003, 4581278, -20430686, 6830683, -21284170, 8971513, -28539189, 15326563),
                array(-19464629, 10110288, -17262528, -3503892, -23500387, 1355669, -15523050, 15300988, -20514118, 9168260),
                array(-5353335, 4488613, -23803248, 16314347, 7780487, -15638939, -28948358, 9601605, 33087103, -9011387),
            ),
            array(
                array(-19443170, -15512900, -20797467, -12445323, -29824447, 10229461, -27444329, -15000531, -5996870, 15664672),
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            array(
                array(31308717, -5619998, 31030840, -1897099, 15674547, -6582883, 5496208, 13685227, 27595050, 8737275),
                array(-20318852, -15150239, 10933843, -16178022, 8335352, -7546022, -31008351, -12610604, 26498114, 66511),
                array(22644454, -8761729, -16671776, 4884562, -3105614, -13559366, 30540766, -4286747, -13327787, -7515095),
            ),
            array(
                array(-28017847, 9834845, 18617207, -2681312, -3401956, -13307506, 8205540, 13585437, -17127465, 15115439),
                array(23711543, -672915, 31206561, -8362711, 6164647, -9709987, -33535882, -1426096, 8236921, 16492939),
                array(-23910559, -13515526, -26299483, -4503841, 25005590, -7687270, 19574902, 10071562, 6708380, -6222424),
            ),
            array(
                array(2101391, -4930054, 19702731, 2367575, -15427167, 1047675, 5301017, 9328700, 29955601, -11678310),
                array(3096359, 9271816, -21620864, -15521844, -14847996, -7592937, -25892142, -12635595, -9917575, 6216608),
                array(-32615849, 338663, -25195611, 2510422, -29213566, -13820213, 24822830, -6146567, -26767480, 7525079),
            ),
            array(
                array(-23066649, -13985623, 16133487, -7896178, -3389565, 778788, -910336, -2782495, -19386633, 11994101),
                array(21691500, -13624626, -641331, -14367021, 3285881, -3483596, -25064666, 9718258, -7477437, 13381418),
                array(18445390, -4202236, 14979846, 11622458, -1727110, -3582980, 23111648, -6375247, 28535282, 15779576),
            ),
            array(
                array(30098053, 3089662, -9234387, 16662135, -21306940, 11308411, -14068454, 12021730, 9955285, -16303356),
                array(9734894, -14576830, -7473633, -9138735, 2060392, 11313496, -18426029, 9924399, 20194861, 13380996),
                array(-26378102, -7965207, -22167821, 15789297, -18055342, -6168792, -1984914, 15707771, 26342023, 10146099),
            ),
        ),
        array(
            array(
                array(-26016874, -219943, 21339191, -41388, 19745256, -2878700, -29637280, 2227040, 21612326, -545728),
                array(-13077387, 1184228, 23562814, -5970442, -20351244, -6348714, 25764461, 12243797, -20856566, 11649658),
                array(-10031494, 11262626, 27384172, 2271902, 26947504, -15997771, 39944, 6114064, 33514190, 2333242),
            ),
            array(
                array(-21433588, -12421821, 8119782, 7219913, -21830522, -9016134, -6679750, -12670638, 24350578, -13450001),
                array(-4116307, -11271533, -23886186, 4843615, -30088339, 690623, -31536088, -10406836, 8317860, 12352766),
                array(18200138, -14475911, -33087759, -2696619, -23702521, -9102511, -23552096, -2287550, 20712163, 6719373),
            ),
            array(
                array(26656208, 6075253, -7858556, 1886072, -28344043, 4262326, 11117530, -3763210, 26224235, -3297458),
                array(-17168938, -14854097, -3395676, -16369877, -19954045, 14050420, 21728352, 9493610, 18620611, -16428628),
                array(-13323321, 13325349, 11432106, 5964811, 18609221, 6062965, -5269471, -9725556, -30701573, -16479657),
            ),
            array(
                array(-23860538, -11233159, 26961357, 1640861, -32413112, -16737940, 12248509, -5240639, 13735342, 1934062),
                array(25089769, 6742589, 17081145, -13406266, 21909293, -16067981, -15136294, -3765346, -21277997, 5473616),
                array(31883677, -7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014),
            ),
            array(
                array(24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383),
                array(-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814),
                array(-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718),
            ),
            array(
                array(30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417),
                array(2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222),
                array(33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444),
            ),
            array(
                array(-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597),
                array(23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970),
                array(1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799),
            ),
            array(
                array(-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647),
                array(13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511),
                array(-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032),
            ),
        ),
        array(
            array(
                array(9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834),
                array(-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461),
                array(29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062),
            ),
            array(
                array(-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516),
                array(-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547),
                array(-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240),
            ),
            array(
                array(-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038),
                array(-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741),
                array(16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103),
            ),
            array(
                array(-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747),
                array(-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323),
                array(31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016),
            ),
            array(
                array(-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373),
                array(15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228),
                array(-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141),
            ),
            array(
                array(16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399),
                array(11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831),
                array(-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376),
            ),
            array(
                array(-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313),
                array(-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958),
                array(-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577),
            ),
            array(
                array(-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743),
                array(29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684),
                array(-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476),
            ),
        )
    );

/**
     * See: libsodium's crypto_core/curve25519/ref10/base2.h
     *
     * @var array<int, array<int, array<int, int>>> basically int[8][3]
     */
    protected static $base2 = array(
        array(
            array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605),
            array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378),
            array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546),
        ),
        array(
            array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024),
            array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574),
            array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357),
        ),
        array(
            array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380),
            array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306),
            array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942),
        ),
        array(
            array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766),
            array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701),
            array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300),
        ),
        array(
            array(-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877),
            array(-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951),
            array(4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784),
        ),
        array(
            array(-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436),
            array(25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918),
            array(23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877),
        ),
        array(
            array(-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800),
            array(-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305),
            array(-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300),
        ),
        array(
            array(-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876),
            array(-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619),
            array(-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683),
        )
    );

/**
     * 37095705934669439343138083508754565189542113879843219016388785533085940283555
     *
     * @var array<int, int>
     */
    protected static $d = array(
        -10913610,
        13857413,
        -15372611,
        6949391,
        114729,
        -8787816,
        -6275908,
        -3247719,
        -18696448,
        -12055116
    );

/**
     * 2 * d = 16295367250680780974490674513165176452449235426866156013048779062215315747161
     *
     * @var array<int, int>
     */
    protected static $d2 = array(
        -21827239,
        -5839606,
        -30745221,
        13898782,
        229458,
        15978800,
        -12551817,
        -6495438,
        29715968,
        9444199
    );

/**
     * sqrt(-1)
     *
     * @var array<int, int>
     */
    protected static $sqrtm1 = array(
        -32595792,
        -7943725,
        9377950,
        3500415,
        12389472,
        -272473,
        -25146209,
        -2005654,
        326686,
        11406482
    );
}
�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Curve25519/Fe.php�����������������������������������������������������������������������������������0000644�����������������00000012572�15221413146�0007307 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Fe', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Curve25519_Fe
 *
 * This represents a Field Element
 */
class ParagonIE_Sodium_Core32_Curve25519_Fe implements ArrayAccess
{
    /**
     * @var array<int, ParagonIE_Sodium_Core32_Int32>
     */
    protected $container = array();

/**
     * @var int
     */
    protected $size = 10;

/**
     * @internal You should not use this directly from another application
     *
     * @param array<int, ParagonIE_Sodium_Core32_Int32> $array
     * @param bool $save_indexes
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromArray($array, $save_indexes = null)
    {
        $count = count($array);
        if ($save_indexes) {
            $keys = array_keys($array);
        } else {
            $keys = range(0, $count - 1);
        }
        $array = array_values($array);

$obj = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        if ($save_indexes) {
            for ($i = 0; $i < $count; ++$i) {
                $array[$i]->overflow = 0;
                $obj->offsetSet($keys[$i], $array[$i]);
            }
        } else {
            for ($i = 0; $i < $count; ++$i) {
                if (!($array[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {
                    throw new TypeError('Expected ParagonIE_Sodium_Core32_Int32');
                }
                $array[$i]->overflow = 0;
                $obj->offsetSet($i, $array[$i]);
            }
        }
        return $obj;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param array<int, int> $array
     * @param bool $save_indexes
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public static function fromIntArray($array, $save_indexes = null)
    {
        $count = count($array);
        if ($save_indexes) {
            $keys = array_keys($array);
        } else {
            $keys = range(0, $count - 1);
        }
        $array = array_values($array);
        $set = array();
        /** @var int $i */
        /** @var int $v */
        foreach ($array as $i => $v) {
            $set[$i] = ParagonIE_Sodium_Core32_Int32::fromInt($v);
        }

$obj = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        if ($save_indexes) {
            for ($i = 0; $i < $count; ++$i) {
                $set[$i]->overflow = 0;
                $obj->offsetSet($keys[$i], $set[$i]);
            }
        } else {
            for ($i = 0; $i < $count; ++$i) {
                $set[$i]->overflow = 0;
                $obj->offsetSet($i, $set[$i]);
            }
        }
        return $obj;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param mixed $offset
     * @param mixed $value
     * @return void
     * @throws SodiumException
     * @throws TypeError
     */
    #[ReturnTypeWillChange]
    public function offsetSet($offset, $value)
    {
        if (!($value instanceof ParagonIE_Sodium_Core32_Int32)) {
            throw new InvalidArgumentException('Expected an instance of ParagonIE_Sodium_Core32_Int32');
        }
        if (is_null($offset)) {
            $this->container[] = $value;
        } else {
            ParagonIE_Sodium_Core32_Util::declareScalarType($offset, 'int', 1);
            $this->container[(int) $offset] = $value;
        }
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param mixed $offset
     * @return bool
     * @psalm-suppress MixedArrayOffset
     */
    #[ReturnTypeWillChange]
    public function offsetExists($offset)
    {
        return isset($this->container[$offset]);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param mixed $offset
     * @return void
     * @psalm-suppress MixedArrayOffset
     */
    #[ReturnTypeWillChange]
    public function offsetUnset($offset)
    {
        unset($this->container[$offset]);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param mixed $offset
     * @return ParagonIE_Sodium_Core32_Int32
     * @psalm-suppress MixedArrayOffset
     */
    #[ReturnTypeWillChange]
    public function offsetGet($offset)
    {
        if (!isset($this->container[$offset])) {
            $this->container[(int) $offset] = new ParagonIE_Sodium_Core32_Int32();
        }
        /** @var ParagonIE_Sodium_Core32_Int32 $get */
        $get = $this->container[$offset];
        return $get;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @return array
     */
    public function __debugInfo()
    {
        if (empty($this->container)) {
            return array();
        }
        $c = array(
            (int) ($this->container[0]->toInt()),
            (int) ($this->container[1]->toInt()),
            (int) ($this->container[2]->toInt()),
            (int) ($this->container[3]->toInt()),
            (int) ($this->container[4]->toInt()),
            (int) ($this->container[5]->toInt()),
            (int) ($this->container[6]->toInt()),
            (int) ($this->container[7]->toInt()),
            (int) ($this->container[8]->toInt()),
            (int) ($this->container[9]->toInt())
        );
        return array(implode(', ', $c));
    }
}
��������������������������������������������������������������������������������������������������������������������������������������Curve25519/README.md��������������������������������������������������������������������������������0000644�����������������00000000332�15221413146�0007512 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������# Curve25519 Data Structures

These are PHP implementation of the [structs used in the ref10 curve25519 code](https://github.com/jedisct1/libsodium/blob/master/src/libsodium/include/sodium/private/curve25519_ref10.h).
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Curve25519/Ge/P2.php��������������������������������������������������������������������������������0000644�����������������00000002541�15221413146�0007564 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P2', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P2
 */
class ParagonIE_Sodium_Core32_Curve25519_Ge_P2
{
    /**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $X;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $Y;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $Z;

/**
     * ParagonIE_Sodium_Core32_Curve25519_Ge_P2 constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z
     */
    public function __construct(
        ParagonIE_Sodium_Core32_Curve25519_Fe $x = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $y = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $z = null
    ) {
        if ($x === null) {
            $x = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->X = $x;
        if ($y === null) {
            $y = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->Y = $y;
        if ($z === null) {
            $z = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->Z = $z;
    }
}
���������������������������������������������������������������������������������������������������������������������������������������������������������������Curve25519/Ge/Cached.php����������������������������������������������������������������������������0000644�����������������00000003415�15221413146�0010453 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_Cached', false)) {
    return;
}
/**
 * Class ParagonIE_Sodium_Core32_Curve25519_Ge_Cached
 */
class ParagonIE_Sodium_Core32_Curve25519_Ge_Cached
{
    /**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $YplusX;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $YminusX;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $Z;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $T2d;

/**
     * ParagonIE_Sodium_Core32_Curve25519_Ge_Cached constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $YplusX
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $YminusX
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $Z
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $T2d
     */
    public function __construct(
        ParagonIE_Sodium_Core32_Curve25519_Fe $YplusX = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $YminusX = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $Z = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $T2d = null
    ) {
        if ($YplusX === null) {
            $YplusX = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->YplusX = $YplusX;
        if ($YminusX === null) {
            $YminusX = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->YminusX = $YminusX;
        if ($Z === null) {
            $Z = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->Z = $Z;
        if ($T2d === null) {
            $T2d = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->T2d = $T2d;
    }
}
���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Curve25519/Ge/P3.php��������������������������������������������������������������������������������0000644�����������������00000003242�15221413146�0007564 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P3', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P3
 */
class ParagonIE_Sodium_Core32_Curve25519_Ge_P3
{
    /**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $X;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $Y;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $Z;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $T;

/**
     * ParagonIE_Sodium_Core32_Curve25519_Ge_P3 constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $t
     */
    public function __construct(
        ParagonIE_Sodium_Core32_Curve25519_Fe $x = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $y = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $z = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $t = null
    ) {
        if ($x === null) {
            $x = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->X = $x;
        if ($y === null) {
            $y = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->Y = $y;
        if ($z === null) {
            $z = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->Z = $z;
        if ($t === null) {
            $t = new ParagonIE_Sodium_Core32_Curve25519_Fe();
        }
        $this->T = $t;
    }
}
��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Curve25519/Ge/Precomp.php���������������������������������������������������������������������������0000644�����������������00000002775�15221413146�0010721 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
 */
class ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
{
    /**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $yplusx;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $yminusx;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $xy2d;

/**
     * ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $yplusx
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $yminusx
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $xy2d
     * @throws SodiumException
     * @throws TypeError
     */
    public function __construct(
        ParagonIE_Sodium_Core32_Curve25519_Fe $yplusx = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $yminusx = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $xy2d = null
    ) {
        if ($yplusx === null) {
            $yplusx = ParagonIE_Sodium_Core32_Curve25519::fe_0();
        }
        $this->yplusx = $yplusx;
        if ($yminusx === null) {
            $yminusx = ParagonIE_Sodium_Core32_Curve25519::fe_0();
        }
        $this->yminusx = $yminusx;
        if ($xy2d === null) {
            $xy2d = ParagonIE_Sodium_Core32_Curve25519::fe_0();
        }
        $this->xy2d = $xy2d;
    }
}
���Curve25519/Ge/P1p1.php������������������������������������������������������������������������������0000644�����������������00000003344�15221413146�0010026 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1', false)) {
    return;
}
/**
 * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
 */
class ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
{
    /**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $X;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $Y;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $Z;

/**
     * @var ParagonIE_Sodium_Core32_Curve25519_Fe
     */
    public $T;

/**
     * ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $t
     *
     * @throws SodiumException
     * @throws TypeError
     */
    public function __construct(
        ParagonIE_Sodium_Core32_Curve25519_Fe $x = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $y = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $z = null,
        ParagonIE_Sodium_Core32_Curve25519_Fe $t = null
    ) {
        if ($x === null) {
            $x = ParagonIE_Sodium_Core32_Curve25519::fe_0();
        }
        $this->X = $x;
        if ($y === null) {
            $y = ParagonIE_Sodium_Core32_Curve25519::fe_0();
        }
        $this->Y = $y;
        if ($z === null) {
            $z = ParagonIE_Sodium_Core32_Curve25519::fe_0();
        }
        $this->Z = $z;
        if ($t === null) {
            $t = ParagonIE_Sodium_Core32_Curve25519::fe_0();
        }
        $this->T = $t;
    }
}
��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������Curve25519/error_log��������������������������������������������������������������������������������0000644�����������������00000005456�15221413146�0010164 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������[05-Oct-2025 04:43:55 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[17-Dec-2025 04:58:37 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[13-Jan-2026 07:49:41 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[24-Jan-2026 04:21:38 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[20-Feb-2026 00:11:57 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[22-Feb-2026 12:38:48 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[09-Mar-2026 06:20:36 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[26-Mar-2026 18:59:32 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[30-May-2026 05:20:42 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������X25519.php������������������������������������������������������������������������������������������0000644�����������������00000025442�15221413146�0006100 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

if (class_exists('ParagonIE_Sodium_Core32_X25519', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_X25519
 */
abstract class ParagonIE_Sodium_Core32_X25519 extends ParagonIE_Sodium_Core32_Curve25519
{
    /**
     * Alters the objects passed to this method in place.
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
     * @param int $b
     * @return void
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_cswap(
        ParagonIE_Sodium_Core32_Curve25519_Fe $f,
        ParagonIE_Sodium_Core32_Curve25519_Fe $g,
        $b = 0
    ) {
        $f0 = (int) $f[0]->toInt();
        $f1 = (int) $f[1]->toInt();
        $f2 = (int) $f[2]->toInt();
        $f3 = (int) $f[3]->toInt();
        $f4 = (int) $f[4]->toInt();
        $f5 = (int) $f[5]->toInt();
        $f6 = (int) $f[6]->toInt();
        $f7 = (int) $f[7]->toInt();
        $f8 = (int) $f[8]->toInt();
        $f9 = (int) $f[9]->toInt();
        $g0 = (int) $g[0]->toInt();
        $g1 = (int) $g[1]->toInt();
        $g2 = (int) $g[2]->toInt();
        $g3 = (int) $g[3]->toInt();
        $g4 = (int) $g[4]->toInt();
        $g5 = (int) $g[5]->toInt();
        $g6 = (int) $g[6]->toInt();
        $g7 = (int) $g[7]->toInt();
        $g8 = (int) $g[8]->toInt();
        $g9 = (int) $g[9]->toInt();
        $b = -$b;
        /** @var int $x0 */
        $x0 = ($f0 ^ $g0) & $b;
        /** @var int $x1 */
        $x1 = ($f1 ^ $g1) & $b;
        /** @var int $x2 */
        $x2 = ($f2 ^ $g2) & $b;
        /** @var int $x3 */
        $x3 = ($f3 ^ $g3) & $b;
        /** @var int $x4 */
        $x4 = ($f4 ^ $g4) & $b;
        /** @var int $x5 */
        $x5 = ($f5 ^ $g5) & $b;
        /** @var int $x6 */
        $x6 = ($f6 ^ $g6) & $b;
        /** @var int $x7 */
        $x7 = ($f7 ^ $g7) & $b;
        /** @var int $x8 */
        $x8 = ($f8 ^ $g8) & $b;
        /** @var int $x9 */
        $x9 = ($f9 ^ $g9) & $b;
        $f[0] = ParagonIE_Sodium_Core32_Int32::fromInt($f0 ^ $x0);
        $f[1] = ParagonIE_Sodium_Core32_Int32::fromInt($f1 ^ $x1);
        $f[2] = ParagonIE_Sodium_Core32_Int32::fromInt($f2 ^ $x2);
        $f[3] = ParagonIE_Sodium_Core32_Int32::fromInt($f3 ^ $x3);
        $f[4] = ParagonIE_Sodium_Core32_Int32::fromInt($f4 ^ $x4);
        $f[5] = ParagonIE_Sodium_Core32_Int32::fromInt($f5 ^ $x5);
        $f[6] = ParagonIE_Sodium_Core32_Int32::fromInt($f6 ^ $x6);
        $f[7] = ParagonIE_Sodium_Core32_Int32::fromInt($f7 ^ $x7);
        $f[8] = ParagonIE_Sodium_Core32_Int32::fromInt($f8 ^ $x8);
        $f[9] = ParagonIE_Sodium_Core32_Int32::fromInt($f9 ^ $x9);
        $g[0] = ParagonIE_Sodium_Core32_Int32::fromInt($g0 ^ $x0);
        $g[1] = ParagonIE_Sodium_Core32_Int32::fromInt($g1 ^ $x1);
        $g[2] = ParagonIE_Sodium_Core32_Int32::fromInt($g2 ^ $x2);
        $g[3] = ParagonIE_Sodium_Core32_Int32::fromInt($g3 ^ $x3);
        $g[4] = ParagonIE_Sodium_Core32_Int32::fromInt($g4 ^ $x4);
        $g[5] = ParagonIE_Sodium_Core32_Int32::fromInt($g5 ^ $x5);
        $g[6] = ParagonIE_Sodium_Core32_Int32::fromInt($g6 ^ $x6);
        $g[7] = ParagonIE_Sodium_Core32_Int32::fromInt($g7 ^ $x7);
        $g[8] = ParagonIE_Sodium_Core32_Int32::fromInt($g8 ^ $x8);
        $g[9] = ParagonIE_Sodium_Core32_Int32::fromInt($g9 ^ $x9);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedMethodCall
     */
    public static function fe_mul121666(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
    {
        /** @var array<int, ParagonIE_Sodium_Core32_Int64> $h */
        $h = array();
        for ($i = 0; $i < 10; ++$i) {
            $h[$i] = $f[$i]->toInt64()->mulInt(121666, 17);
        }

$carry9 = $h[9]->addInt(1 << 24)->shiftRight(25);
        $h[0] = $h[0]->addInt64($carry9->mulInt(19, 5));
        $h[9] = $h[9]->subInt64($carry9->shiftLeft(25));

$carry1 = $h[1]->addInt(1 << 24)->shiftRight(25);
        $h[2] = $h[2]->addInt64($carry1);
        $h[1] = $h[1]->subInt64($carry1->shiftLeft(25));

$carry3 = $h[3]->addInt(1 << 24)->shiftRight(25);
        $h[4] = $h[4]->addInt64($carry3);
        $h[3] = $h[3]->subInt64($carry3->shiftLeft(25));

$carry5 = $h[5]->addInt(1 << 24)->shiftRight(25);
        $h[6] = $h[6]->addInt64($carry5);
        $h[5] = $h[5]->subInt64($carry5->shiftLeft(25));

$carry7 = $h[7]->addInt(1 << 24)->shiftRight(25);
        $h[8] = $h[8]->addInt64($carry7);
        $h[7] = $h[7]->subInt64($carry7->shiftLeft(25));

$carry0 = $h[0]->addInt(1 << 25)->shiftRight(26);
        $h[1] = $h[1]->addInt64($carry0);
        $h[0] = $h[0]->subInt64($carry0->shiftLeft(26));

$carry2 = $h[2]->addInt(1 << 25)->shiftRight(26);
        $h[3] = $h[3]->addInt64($carry2);
        $h[2] = $h[2]->subInt64($carry2->shiftLeft(26));

$carry4 = $h[4]->addInt(1 << 25)->shiftRight(26);
        $h[5] = $h[5]->addInt64($carry4);
        $h[4] = $h[4]->subInt64($carry4->shiftLeft(26));

$carry6 = $h[6]->addInt(1 << 25)->shiftRight(26);
        $h[7] = $h[7]->addInt64($carry6);
        $h[6] = $h[6]->subInt64($carry6->shiftLeft(26));

$carry8 = $h[8]->addInt(1 << 25)->shiftRight(26);
        $h[9] = $h[9]->addInt64($carry8);
        $h[8] = $h[8]->subInt64($carry8->shiftLeft(26));

for ($i = 0; $i < 10; ++$i) {
            $h[$i] = $h[$i]->toInt32();
        }
        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h2 */
        $h2 = $h;
        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h2);
    }

/**
     * @internal You should not use this directly from another application
     *
     * Inline comments preceded by # are from libsodium's ref10 code.
     *
     * @param string $n
     * @param string $p
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function crypto_scalarmult_curve25519_ref10($n, $p)
    {
        # for (i = 0;i < 32;++i) e[i] = n[i];
        $e = '' . $n;
        # e[0] &= 248;
        $e[0] = self::intToChr(
            self::chrToInt($e[0]) & 248
        );
        # e[31] &= 127;
        # e[31] |= 64;
        $e[31] = self::intToChr(
            (self::chrToInt($e[31]) & 127) | 64
        );
        # fe_frombytes(x1,p);
        $x1 = self::fe_frombytes($p);
        # fe_1(x2);
        $x2 = self::fe_1();
        # fe_0(z2);
        $z2 = self::fe_0();
        # fe_copy(x3,x1);
        $x3 = self::fe_copy($x1);
        # fe_1(z3);
        $z3 = self::fe_1();

# swap = 0;
        /** @var int $swap */
        $swap = 0;

# for (pos = 254;pos >= 0;--pos) {
        for ($pos = 254; $pos >= 0; --$pos) {
            # b = e[pos / 8] >> (pos & 7);
            /** @var int $b */
            $b = self::chrToInt(
                    $e[(int) floor($pos / 8)]
                ) >> ($pos & 7);
            # b &= 1;
            $b &= 1;

# swap ^= b;
            $swap ^= $b;

# fe_cswap(x2,x3,swap);
            self::fe_cswap($x2, $x3, $swap);

# fe_cswap(z2,z3,swap);
            self::fe_cswap($z2, $z3, $swap);

# swap = b;
            /** @var int $swap */
            $swap = $b;

# fe_sub(tmp0,x3,z3);
            $tmp0 = self::fe_sub($x3, $z3);

# fe_sub(tmp1,x2,z2);
            $tmp1 = self::fe_sub($x2, $z2);

# fe_add(x2,x2,z2);
            $x2 = self::fe_add($x2, $z2);

# fe_add(z2,x3,z3);
            $z2 = self::fe_add($x3, $z3);

# fe_mul(z3,tmp0,x2);
            $z3 = self::fe_mul($tmp0, $x2);

# fe_mul(z2,z2,tmp1);
            $z2 = self::fe_mul($z2, $tmp1);

# fe_sq(tmp0,tmp1);
            $tmp0 = self::fe_sq($tmp1);

# fe_sq(tmp1,x2);
            $tmp1 = self::fe_sq($x2);

# fe_add(x3,z3,z2);
            $x3 = self::fe_add($z3, $z2);

# fe_sub(z2,z3,z2);
            $z2 = self::fe_sub($z3, $z2);

# fe_mul(x2,tmp1,tmp0);
            $x2 = self::fe_mul($tmp1, $tmp0);

# fe_sub(tmp1,tmp1,tmp0);
            $tmp1 = self::fe_sub($tmp1, $tmp0);

# fe_sq(z2,z2);
            $z2 = self::fe_sq($z2);

# fe_mul121666(z3,tmp1);
            $z3 = self::fe_mul121666($tmp1);

# fe_sq(x3,x3);
            $x3 = self::fe_sq($x3);

# fe_add(tmp0,tmp0,z3);
            $tmp0 = self::fe_add($tmp0, $z3);

# fe_mul(z3,x1,z2);
            $z3 = self::fe_mul($x1, $z2);

# fe_mul(z2,tmp1,tmp0);
            $z2 = self::fe_mul($tmp1, $tmp0);
        }

# fe_cswap(x2,x3,swap);
        self::fe_cswap($x2, $x3, $swap);

# fe_cswap(z2,z3,swap);
        self::fe_cswap($z2, $z3, $swap);

# fe_invert(z2,z2);
        $z2 = self::fe_invert($z2);

# fe_mul(x2,x2,z2);
        $x2 = self::fe_mul($x2, $z2);
        # fe_tobytes(q,x2);
        return (string) self::fe_tobytes($x2);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY
     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ
     * @return ParagonIE_Sodium_Core32_Curve25519_Fe
     * @throws SodiumException
     * @throws TypeError
     */
    public static function edwards_to_montgomery(
        ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY,
        ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ
    ) {
        $tempX = self::fe_add($edwardsZ, $edwardsY);
        $tempZ = self::fe_sub($edwardsZ, $edwardsY);
        $tempZ = self::fe_invert($tempZ);
        return self::fe_mul($tempX, $tempZ);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $n
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function crypto_scalarmult_curve25519_ref10_base($n)
    {
        # for (i = 0;i < 32;++i) e[i] = n[i];
        $e = '' . $n;

# e[0] &= 248;
        $e[0] = self::intToChr(
            self::chrToInt($e[0]) & 248
        );

# e[31] &= 127;
        # e[31] |= 64;
        $e[31] = self::intToChr(
            (self::chrToInt($e[31]) & 127) | 64
        );

$A = self::ge_scalarmult_base($e);
        if (
            !($A->Y instanceof ParagonIE_Sodium_Core32_Curve25519_Fe)
                ||
            !($A->Z instanceof ParagonIE_Sodium_Core32_Curve25519_Fe)
        ) {
            throw new TypeError('Null points encountered');
        }
        $pk = self::edwards_to_montgomery($A->Y, $A->Z);
        return self::fe_tobytes($pk);
    }
}
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if (class_exists('ParagonIE_Sodium_Core_BLAKE2b', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_BLAKE2b
 *
 * Based on the work of Devi Mandiri in devi/salt.
 */
abstract class ParagonIE_Sodium_Core32_BLAKE2b extends ParagonIE_Sodium_Core_Util
{
    /**
     * @var SplFixedArray
     */
    public static $iv;

/**
     * @var array<int, array<int, int>>
     */
    public static $sigma = array(
        array(  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15),
        array( 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3),
        array( 11,  8, 12,  0,  5,  2, 15, 13, 10, 14,  3,  6,  7,  1,  9,  4),
        array(  7,  9,  3,  1, 13, 12, 11, 14,  2,  6,  5, 10,  4,  0, 15,  8),
        array(  9,  0,  5,  7,  2,  4, 10, 15, 14,  1, 11, 12,  6,  8,  3, 13),
        array(  2, 12,  6, 10,  0, 11,  8,  3,  4, 13,  7,  5, 15, 14,  1,  9),
        array( 12,  5,  1, 15, 14, 13,  4, 10,  0,  7,  6,  3,  9,  2,  8, 11),
        array( 13, 11,  7, 14, 12,  1,  3,  9,  5,  0, 15,  4,  8,  6,  2, 10),
        array(  6, 15, 14,  9, 11,  3,  0,  8, 12,  2, 13,  7,  1,  4, 10,  5),
        array( 10,  2,  8,  4,  7,  6,  1,  5, 15, 11,  9, 14,  3, 12, 13 , 0),
        array(  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15),
        array( 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3)
    );

const BLOCKBYTES = 128;
    const OUTBYTES   = 64;
    const KEYBYTES   = 64;

/**
     * Turn two 32-bit integers into a fixed array representing a 64-bit integer.
     *
     * @internal You should not use this directly from another application
     *
     * @param int $high
     * @param int $low
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    public static function new64($high, $low)
    {
        return ParagonIE_Sodium_Core32_Int64::fromInts($low, $high);
    }

/**
     * Convert an arbitrary number into an SplFixedArray of two 32-bit integers
     * that represents a 64-bit integer.
     *
     * @internal You should not use this directly from another application
     *
     * @param int $num
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    protected static function to64($num)
    {
        list($hi, $lo) = self::numericTo64BitInteger($num);
        return self::new64($hi, $lo);
    }

/**
     * Adds two 64-bit integers together, returning their sum as a SplFixedArray
     * containing two 32-bit integers (representing a 64-bit integer).
     *
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Int64 $x
     * @param ParagonIE_Sodium_Core32_Int64 $y
     * @return ParagonIE_Sodium_Core32_Int64
     */
    protected static function add64($x, $y)
    {
        return $x->addInt64($y);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Int64 $x
     * @param ParagonIE_Sodium_Core32_Int64 $y
     * @param ParagonIE_Sodium_Core32_Int64 $z
     * @return ParagonIE_Sodium_Core32_Int64
     */
    public static function add364($x, $y, $z)
    {
        return $x->addInt64($y)->addInt64($z);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Int64 $x
     * @param ParagonIE_Sodium_Core32_Int64 $y
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws TypeError
     */
    public static function xor64(ParagonIE_Sodium_Core32_Int64 $x, ParagonIE_Sodium_Core32_Int64 $y)
    {
        return $x->xorInt64($y);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core32_Int64 $x
     * @param int $c
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    public static function rotr64(ParagonIE_Sodium_Core32_Int64 $x, $c)
    {
        return $x->rotateRight($c);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $x
     * @param int $i
     * @return ParagonIE_Sodium_Core32_Int64
     * @throws SodiumException
     * @throws TypeError
     */
    public static function load64($x, $i)
    {
        /** @var int $l */
        $l = (int) ($x[$i])
             | ((int) ($x[$i+1]) << 8)
             | ((int) ($x[$i+2]) << 16)
             | ((int) ($x[$i+3]) << 24);
        /** @var int $h */
        $h = (int) ($x[$i+4])
             | ((int) ($x[$i+5]) << 8)
             | ((int) ($x[$i+6]) << 16)
             | ((int) ($x[$i+7]) << 24);
        return self::new64($h, $l);
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $x
     * @param int $i
     * @param ParagonIE_Sodium_Core32_Int64 $u
     * @return void
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     * @psalm-suppress MixedArrayOffset
     */
    public static function store64(SplFixedArray $x, $i, ParagonIE_Sodium_Core32_Int64 $u)
    {
        $v = clone $u;
        $maxLength = $x->getSize() - 1;
        for ($j = 0; $j < 8; ++$j) {
            $k = 3 - ($j >> 1);
            $x[$i] = $v->limbs[$k] & 0xff;
            if (++$i > $maxLength) {
                return;
            }
            $v->limbs[$k] >>= 8;
        }
    }

/**
     * This just sets the $iv static variable.
     *
     * @internal You should not use this directly from another application
     *
     * @return void
     * @throws SodiumException
     * @throws TypeError
     */
    public static function pseudoConstructor()
    {
        static $called = false;
        if ($called) {
            return;
        }
        self::$iv = new SplFixedArray(8);
        self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908);
        self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b);
        self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b);
        self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1);
        self::$iv[4] = self::new64(0x510e527f, 0xade682d1);
        self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f);
        self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b);
        self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179);

$called = true;
    }

/**
     * Returns a fresh BLAKE2 context.
     *
     * @internal You should not use this directly from another application
     *
     * @return SplFixedArray
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     * @psalm-suppress MixedArrayOffset
     * @throws SodiumException
     * @throws TypeError
     */
    protected static function context()
    {
        $ctx    = new SplFixedArray(6);
        $ctx[0] = new SplFixedArray(8);   // h
        $ctx[1] = new SplFixedArray(2);   // t
        $ctx[2] = new SplFixedArray(2);   // f
        $ctx[3] = new SplFixedArray(256); // buf
        $ctx[4] = 0;                      // buflen
        $ctx[5] = 0;                      // last_node (uint8_t)

for ($i = 8; $i--;) {
            $ctx[0][$i] = self::$iv[$i];
        }
        for ($i = 256; $i--;) {
            $ctx[3][$i] = 0;
        }

$zero = self::new64(0, 0);
        $ctx[1][0] = $zero;
        $ctx[1][1] = $zero;
        $ctx[2][0] = $zero;
        $ctx[2][1] = $zero;

return $ctx;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $ctx
     * @param SplFixedArray $buf
     * @return void
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     * @psalm-suppress MixedAssignment
     */
    protected static function compress(SplFixedArray $ctx, SplFixedArray $buf)
    {
        $m = new SplFixedArray(16);
        $v = new SplFixedArray(16);

for ($i = 16; $i--;) {
            $m[$i] = self::load64($buf, $i << 3);
        }

for ($i = 8; $i--;) {
            $v[$i] = $ctx[0][$i];
        }

$v[ 8] = self::$iv[0];
        $v[ 9] = self::$iv[1];
        $v[10] = self::$iv[2];
        $v[11] = self::$iv[3];

$v[12] = self::xor64($ctx[1][0], self::$iv[4]);
        $v[13] = self::xor64($ctx[1][1], self::$iv[5]);
        $v[14] = self::xor64($ctx[2][0], self::$iv[6]);
        $v[15] = self::xor64($ctx[2][1], self::$iv[7]);

for ($r = 0; $r < 12; ++$r) {
            $v = self::G($r, 0, 0, 4, 8, 12, $v, $m);
            $v = self::G($r, 1, 1, 5, 9, 13, $v, $m);
            $v = self::G($r, 2, 2, 6, 10, 14, $v, $m);
            $v = self::G($r, 3, 3, 7, 11, 15, $v, $m);
            $v = self::G($r, 4, 0, 5, 10, 15, $v, $m);
            $v = self::G($r, 5, 1, 6, 11, 12, $v, $m);
            $v = self::G($r, 6, 2, 7, 8, 13, $v, $m);
            $v = self::G($r, 7, 3, 4, 9, 14, $v, $m);
        }

for ($i = 8; $i--;) {
            $ctx[0][$i] = self::xor64(
                $ctx[0][$i], self::xor64($v[$i], $v[$i+8])
            );
        }
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $r
     * @param int $i
     * @param int $a
     * @param int $b
     * @param int $c
     * @param int $d
     * @param SplFixedArray $v
     * @param SplFixedArray $m
     * @return SplFixedArray
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedArrayOffset
     */
    public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m)
    {
        $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]);
        $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32);
        $v[$c] = self::add64($v[$c], $v[$d]);
        $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24);
        $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]);
        $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16);
        $v[$c] = self::add64($v[$c], $v[$d]);
        $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63);
        return $v;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $ctx
     * @param int $inc
     * @return void
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     */
    public static function increment_counter($ctx, $inc)
    {
        if ($inc < 0) {
            throw new SodiumException('Increasing by a negative number makes no sense.');
        }
        $t = self::to64($inc);
        # S->t is $ctx[1] in our implementation

# S->t[0] = ( uint64_t )( t >> 0 );
        $ctx[1][0] = self::add64($ctx[1][0], $t);

# S->t[1] += ( S->t[0] < inc );
        if (!($ctx[1][0] instanceof ParagonIE_Sodium_Core32_Int64)) {
            throw new TypeError('Not an int64');
        }
        /** @var ParagonIE_Sodium_Core32_Int64 $c*/
        $c = $ctx[1][0];
        if ($c->isLessThanInt($inc)) {
            $ctx[1][1] = self::add64($ctx[1][1], self::to64(1));
        }
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $ctx
     * @param SplFixedArray $p
     * @param int $plen
     * @return void
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     * @psalm-suppress MixedArrayOffset
     * @psalm-suppress MixedMethodCall
     * @psalm-suppress MixedOperand
     */
    public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen)
    {
        self::pseudoConstructor();

$offset = 0;
        while ($plen > 0) {
            $left = $ctx[4];
            $fill = 256 - $left;

if ($plen > $fill) {
                # memcpy( S->buf + left, in, fill ); /* Fill buffer */
                for ($i = $fill; $i--;) {
                    $ctx[3][$i + $left] = $p[$i + $offset];
                }

# S->buflen += fill;
                $ctx[4] += $fill;

# blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
                self::increment_counter($ctx, 128);

# blake2b_compress( S, S->buf ); /* Compress */
                self::compress($ctx, $ctx[3]);

# memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */
                for ($i = 128; $i--;) {
                    $ctx[3][$i] = $ctx[3][$i + 128];
                }

# S->buflen -= BLAKE2B_BLOCKBYTES;
                $ctx[4] -= 128;

# in += fill;
                $offset += $fill;

# inlen -= fill;
                $plen -= $fill;
            } else {
                for ($i = $plen; $i--;) {
                    $ctx[3][$i + $left] = $p[$i + $offset];
                }
                $ctx[4] += $plen;
                $offset += $plen;
                $plen -= $plen;
            }
        }
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $ctx
     * @param SplFixedArray $out
     * @return SplFixedArray
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     * @psalm-suppress MixedArrayOffset
     * @psalm-suppress MixedMethodCall
     * @psalm-suppress MixedOperand
     */
    public static function finish(SplFixedArray $ctx, SplFixedArray $out)
    {
        self::pseudoConstructor();
        if ($ctx[4] > 128) {
            self::increment_counter($ctx, 128);
            self::compress($ctx, $ctx[3]);
            $ctx[4] -= 128;
            if ($ctx[4] > 128) {
                throw new SodiumException('Failed to assert that buflen <= 128 bytes');
            }
            for ($i = $ctx[4]; $i--;) {
                $ctx[3][$i] = $ctx[3][$i + 128];
            }
        }

self::increment_counter($ctx, $ctx[4]);
        $ctx[2][0] = self::new64(0xffffffff, 0xffffffff);

for ($i = 256 - $ctx[4]; $i--;) {
            /** @var int $i */
            $ctx[3][$i + $ctx[4]] = 0;
        }

self::compress($ctx, $ctx[3]);

$i = (int) (($out->getSize() - 1) / 8);
        for (; $i >= 0; --$i) {
            self::store64($out, $i << 3, $ctx[0][$i]);
        }
        return $out;
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray|null $key
     * @param int $outlen
     * @param SplFixedArray|null $salt
     * @param SplFixedArray|null $personal
     * @return SplFixedArray
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedAssignment
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     * @psalm-suppress MixedMethodCall
     */
    public static function init(
        $key = null,
        $outlen = 64,
        $salt = null,
        $personal = null
    ) {
        self::pseudoConstructor();
        $klen = 0;

if ($key !== null) {
            if (count($key) > 64) {
                throw new SodiumException('Invalid key size');
            }
            $klen = count($key);
        }

if ($outlen > 64) {
            throw new SodiumException('Invalid output size');
        }

$ctx = self::context();

$p = new SplFixedArray(64);
        // Zero our param buffer...
        for ($i = 64; --$i;) {
            $p[$i] = 0;
        }

$p[0] = $outlen; // digest_length
        $p[1] = $klen;   // key_length
        $p[2] = 1;       // fanout
        $p[3] = 1;       // depth

if ($salt instanceof SplFixedArray) {
            // salt: [32] through [47]
            for ($i = 0; $i < 16; ++$i) {
                $p[32 + $i] = (int) $salt[$i];
            }
        }
        if ($personal instanceof SplFixedArray) {
            // personal: [48] through [63]
            for ($i = 0; $i < 16; ++$i) {
                $p[48 + $i] = (int) $personal[$i];
            }
        }

$ctx[0][0] = self::xor64(
            $ctx[0][0],
            self::load64($p, 0)
        );

if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) {
            // We need to do what blake2b_init_param() does:
            for ($i = 1; $i < 8; ++$i) {
                $ctx[0][$i] = self::xor64(
                    $ctx[0][$i],
                    self::load64($p, $i << 3)
                );
            }
        }

if ($klen > 0 && $key instanceof SplFixedArray) {
            $block = new SplFixedArray(128);
            for ($i = 128; $i--;) {
                $block[$i] = 0;
            }
            for ($i = $klen; $i--;) {
                $block[$i] = $key[$i];
            }
            self::update($ctx, $block, 128);
            $ctx[4] = 128;
        }

return $ctx;
    }

/**
     * Convert a string into an SplFixedArray of integers
     *
     * @internal You should not use this directly from another application
     *
     * @param string $str
     * @return SplFixedArray
     * @psalm-suppress MixedArgumentTypeCoercion
     */
    public static function stringToSplFixedArray($str = '')
    {
        $values = unpack('C*', $str);
        return SplFixedArray::fromArray(array_values($values));
    }

/**
     * Convert an SplFixedArray of integers into a string
     *
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $a
     * @return string
     */
    public static function SplFixedArrayToString(SplFixedArray $a)
    {
        /**
         * @var array<int, string|int>
         */
        $arr = $a->toArray();
        $c = $a->count();
        array_unshift($arr, str_repeat('C', $c));
        return (string) (call_user_func_array('pack', $arr));
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param SplFixedArray $ctx
     * @return string
     * @throws TypeError
     * @psalm-suppress MixedArgument
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     * @psalm-suppress MixedMethodCall
     */
    public static function contextToString(SplFixedArray $ctx)
    {
        $str = '';
        /** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */
        $ctxA = $ctx[0]->toArray();

# uint64_t h[8];
        for ($i = 0; $i < 8; ++$i) {
            if (!($ctxA[$i] instanceof ParagonIE_Sodium_Core32_Int64)) {
                throw new TypeError('Not an instance of Int64');
            }
            /** @var ParagonIE_Sodium_Core32_Int64 $ctxAi */
            $ctxAi = $ctxA[$i];
            $str .= $ctxAi->toReverseString();
        }

# uint64_t t[2];
        # uint64_t f[2];
        for ($i = 1; $i < 3; ++$i) {
            /** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */
            $ctxA = $ctx[$i]->toArray();
            /** @var ParagonIE_Sodium_Core32_Int64 $ctxA1 */
            $ctxA1 = $ctxA[0];
            /** @var ParagonIE_Sodium_Core32_Int64 $ctxA2 */
            $ctxA2 = $ctxA[1];

$str .= $ctxA1->toReverseString();
            $str .= $ctxA2->toReverseString();
        }

# uint8_t buf[2 * 128];
        $str .= self::SplFixedArrayToString($ctx[3]);

/** @var int $ctx4 */
        $ctx4 = $ctx[4];

# size_t buflen;
        $str .= implode('', array(
            self::intToChr($ctx4 & 0xff),
            self::intToChr(($ctx4 >> 8) & 0xff),
            self::intToChr(($ctx4 >> 16) & 0xff),
            self::intToChr(($ctx4 >> 24) & 0xff),
            "\x00\x00\x00\x00"
            /*
            self::intToChr(($ctx4 >> 32) & 0xff),
            self::intToChr(($ctx4 >> 40) & 0xff),
            self::intToChr(($ctx4 >> 48) & 0xff),
            self::intToChr(($ctx4 >> 56) & 0xff)
            */
        ));
        # uint8_t last_node;
        return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23);
    }

/**
     * Creates an SplFixedArray containing other SplFixedArray elements, from
     * a string (compatible with \Sodium\crypto_generichash_{init, update, final})
     *
     * @internal You should not use this directly from another application
     *
     * @param string $string
     * @return SplFixedArray
     * @throws SodiumException
     * @throws TypeError
     * @psalm-suppress MixedArrayAccess
     * @psalm-suppress MixedArrayAssignment
     */
    public static function stringToContext($string)
    {
        $ctx = self::context();

# uint64_t h[8];
        for ($i = 0; $i < 8; ++$i) {
            $ctx[0][$i] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
                self::substr($string, (($i << 3) + 0), 8)
            );
        }

# uint64_t t[2];
        # uint64_t f[2];
        for ($i = 1; $i < 3; ++$i) {
            $ctx[$i][1] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
                self::substr($string, 72 + (($i - 1) << 4), 8)
            );
            $ctx[$i][0] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
                self::substr($string, 64 + (($i - 1) << 4), 8)
            );
        }

# uint8_t buf[2 * 128];
        $ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256));

# uint8_t buf[2 * 128];
        $int = 0;
        for ($i = 0; $i < 8; ++$i) {
            $int |= self::chrToInt($string[352 + $i]) << ($i << 3);
        }
        $ctx[4] = $int;

return $ctx;
    }
}
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������error_log�������������������������������������������������������������������������������������������0000644�����������������00000111012�15221413146�0006454 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������[05-Oct-2025 04:43:38 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[05-Oct-2025 04:43:38 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[05-Oct-2025 04:43:45 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[05-Oct-2025 04:43:57 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[05-Oct-2025 04:43:57 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[05-Oct-2025 04:43:58 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[05-Oct-2025 04:43:59 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[05-Oct-2025 04:44:05 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[05-Oct-2025 04:44:11 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[05-Oct-2025 04:44:12 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[05-Oct-2025 04:44:12 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[05-Oct-2025 04:44:13 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[05-Oct-2025 04:44:13 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[17-Dec-2025 04:58:24 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[17-Dec-2025 04:58:24 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[17-Dec-2025 04:58:29 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[17-Dec-2025 04:58:37 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[17-Dec-2025 04:58:38 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[17-Dec-2025 04:58:38 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[17-Dec-2025 04:58:39 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[17-Dec-2025 04:58:44 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[17-Dec-2025 04:58:47 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[17-Dec-2025 04:58:48 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[17-Dec-2025 04:58:48 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[17-Dec-2025 04:58:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[17-Dec-2025 04:58:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[13-Jan-2026 07:49:15 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[13-Jan-2026 07:49:19 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[13-Jan-2026 07:49:31 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[13-Jan-2026 07:49:43 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[13-Jan-2026 07:49:45 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[13-Jan-2026 07:49:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[13-Jan-2026 07:49:55 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[13-Jan-2026 07:50:05 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[13-Jan-2026 07:50:11 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[13-Jan-2026 07:50:14 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[13-Jan-2026 07:50:17 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[13-Jan-2026 07:50:20 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[13-Jan-2026 07:50:23 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[24-Jan-2026 04:21:25 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[24-Jan-2026 04:21:25 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[24-Jan-2026 04:21:29 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[24-Jan-2026 04:21:39 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[24-Jan-2026 04:21:39 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[24-Jan-2026 04:21:39 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[24-Jan-2026 04:21:40 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[24-Jan-2026 04:21:44 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[24-Jan-2026 04:21:48 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[24-Jan-2026 04:21:48 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[24-Jan-2026 04:21:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[24-Jan-2026 04:21:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[24-Jan-2026 04:21:50 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[20-Feb-2026 00:11:37 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[20-Feb-2026 00:11:38 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[20-Feb-2026 00:11:45 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[20-Feb-2026 00:11:58 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[20-Feb-2026 00:11:58 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[20-Feb-2026 00:11:59 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[20-Feb-2026 00:12:00 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[20-Feb-2026 00:12:06 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[20-Feb-2026 00:12:11 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[20-Feb-2026 00:12:11 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[20-Feb-2026 00:12:12 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[20-Feb-2026 00:12:12 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[20-Feb-2026 00:12:13 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[22-Feb-2026 12:38:29 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[22-Feb-2026 12:38:29 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[22-Feb-2026 12:38:37 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[22-Feb-2026 12:38:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[22-Feb-2026 12:38:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[22-Feb-2026 12:38:50 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[22-Feb-2026 12:38:51 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[22-Feb-2026 12:38:57 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[22-Feb-2026 12:39:02 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[22-Feb-2026 12:39:03 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[22-Feb-2026 12:39:03 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[22-Feb-2026 12:39:04 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[22-Feb-2026 12:39:05 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[09-Mar-2026 06:20:11 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[09-Mar-2026 06:20:12 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[09-Mar-2026 06:20:21 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[09-Mar-2026 06:20:37 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[09-Mar-2026 06:20:38 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[09-Mar-2026 06:20:40 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[09-Mar-2026 06:20:43 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[09-Mar-2026 06:20:49 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[09-Mar-2026 06:20:55 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[09-Mar-2026 06:20:56 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[09-Mar-2026 06:20:57 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[09-Mar-2026 06:20:59 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[09-Mar-2026 06:21:00 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[26-Mar-2026 18:59:12 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[26-Mar-2026 18:59:13 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[26-Mar-2026 18:59:19 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[26-Mar-2026 18:59:33 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[26-Mar-2026 18:59:33 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[26-Mar-2026 18:59:33 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[26-Mar-2026 18:59:35 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[26-Mar-2026 18:59:40 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[26-Mar-2026 18:59:46 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[26-Mar-2026 18:59:46 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[26-Mar-2026 18:59:47 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[26-Mar-2026 18:59:47 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[26-Mar-2026 18:59:47 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
[30-May-2026 05:20:27 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php on line 12
[30-May-2026 05:20:27 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/ChaCha20.php on line 10
[30-May-2026 05:20:32 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[30-May-2026 05:20:42 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519_H" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php:16
Stack trace:
#0 /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Ed25519.php(7): require_once()
#1 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Curve25519.php on line 16
[30-May-2026 05:20:42 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_ChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HChaCha20.php on line 10
[30-May-2026 05:20:43 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Salsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/HSalsa20.php on line 10
[30-May-2026 05:20:43 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Poly1305.php on line 10
[30-May-2026 05:20:48 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Salsa20.php on line 10
[30-May-2026 05:20:53 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php:12
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/SipHash.php on line 12
[30-May-2026 05:20:53 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core_Util" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/Util.php on line 10
[30-May-2026 05:20:53 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_Curve25519" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/X25519.php on line 10
[30-May-2026 05:20:54 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HChaCha20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XChaCha20.php on line 10
[30-May-2026 05:20:54 UTC] PHP Fatal error:  Uncaught Error: Class "ParagonIE_Sodium_Core32_HSalsa20" not found in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php:10
Stack trace:
#0 {main}
  thrown in /home/toreyh/public_html/wp-includes/sodium_compat/src/Core32/XSalsa20.php on line 10
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Sid Gifari From Gifari Industries - BD Cyber Security Team