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📁 ..	-	2025-09-05 13:25
📄 Block.php <?php if (class_exists('ParagonIE_Sodium_Core_AES_Block', false)) { return; } /** * @internal This should only be used by sodium_compat / class ParagonIE_Sodium_Core_AES_Block extends SplFixedArray { /* * @var array<int, int> / protected $values = array(); /* * @var int / protected $size; /* * @param int $size / public function __construct($size = 8) { parent::__construct($size); $this->size = $size; $this->values = array_fill(0, $size, 0); } /* * @return self / public static function init() { return new self(8); } /* * @internal You should not use this directly from another application * * @param array<int, int> $array * @param bool $save_indexes * @return self * * @psalm-suppress MethodSignatureMismatch / #[ReturnTypeWillChange] public static function fromArray($array, $save_indexes = null) { $count = count($array); if ($save_indexes) { $keys = array_keys($array); } else { $keys = range(0, $count - 1); } $array = array_values($array); /* @var array<int, int> $keys / $obj = new ParagonIE_Sodium_Core_AES_Block(); if ($save_indexes) { for ($i = 0; $i < $count; ++$i) { $obj->offsetSet($keys[$i], $array[$i]); } } else { for ($i = 0; $i < $count; ++$i) { $obj->offsetSet($i, $array[$i]); } } return $obj; } /* * @internal You should not use this directly from another application * * @param int\|null $offset * @param int $value * @return void * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset / #[ReturnTypeWillChange] public function offsetSet($offset, $value) { if (!is_int($value)) { throw new InvalidArgumentException('Expected an integer'); } if (is_null($offset)) { $this->values[] = $value; } else { $this->values[$offset] = $value; } } /* * @internal You should not use this directly from another application * * @param int $offset * @return bool * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset / #[ReturnTypeWillChange] public function offsetExists($offset) { return isset($this->values[$offset]); } /* * @internal You should not use this directly from another application * * @param int $offset * @return void * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset / #[ReturnTypeWillChange] public function offsetUnset($offset) { unset($this->values[$offset]); } /* * @internal You should not use this directly from another application * * @param int $offset * @return int * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset / #[ReturnTypeWillChange] public function offsetGet($offset) { if (!isset($this->values[$offset])) { $this->values[$offset] = 0; } return (int) ($this->values[$offset]); } /* * @internal You should not use this directly from another application * * @return array / public function __debugInfo() { $out = array(); foreach ($this->values as $v) { $out[] = str_pad(dechex($v), 8, '0', STR_PAD_LEFT); } return array(implode(', ', $out)); / return array(implode(', ', $this->values)); / } /* * @param int $cl low bit mask * @param int $ch high bit mask * @param int $s shift * @param int $x index 1 * @param int $y index 2 * @return self / public function swapN($cl, $ch, $s, $x, $y) { static $u32mask = ParagonIE_Sodium_Core_Util::U32_MAX; $a = $this->values[$x] & $u32mask; $b = $this->values[$y] & $u32mask; // (x) = (a & cl) \| ((b & cl) << (s)); $this->values[$x] = ($a & $cl) \| ((($b & $cl) << $s) & $u32mask); // (y) = ((a & ch) >> (s)) \| (b & ch); $this->values[$y] = ((($a & $ch) & $u32mask) >> $s) \| ($b & $ch); return $this; } /* * @param int $x index 1 * @param int $y index 2 * @return self / public function swap2($x, $y) { return $this->swapN(0x55555555, 0xAAAAAAAA, 1, $x, $y); } /* * @param int $x index 1 * @param int $y index 2 * @return self / public function swap4($x, $y) { return $this->swapN(0x33333333, 0xCCCCCCCC, 2, $x, $y); } /* * @param int $x index 1 * @param int $y index 2 * @return self / public function swap8($x, $y) { return $this->swapN(0x0F0F0F0F, 0xF0F0F0F0, 4, $x, $y); } /* * @return self / public function orthogonalize() { return $this ->swap2(0, 1) ->swap2(2, 3) ->swap2(4, 5) ->swap2(6, 7) ->swap4(0, 2) ->swap4(1, 3) ->swap4(4, 6) ->swap4(5, 7) ->swap8(0, 4) ->swap8(1, 5) ->swap8(2, 6) ->swap8(3, 7); } /* * @return self / public function shiftRows() { for ($i = 0; $i < 8; ++$i) { $x = $this->values[$i] & ParagonIE_Sodium_Core_Util::U32_MAX; $this->values[$i] = ( ($x & 0x000000FF) \| (($x & 0x0000FC00) >> 2) \| (($x & 0x00000300) << 6) \| (($x & 0x00F00000) >> 4) \| (($x & 0x000F0000) << 4) \| (($x & 0xC0000000) >> 6) \| (($x & 0x3F000000) << 2) ) & ParagonIE_Sodium_Core_Util::U32_MAX; } return $this; } /* * @param int $x * @return int / public static function rotr16($x) { return (($x << 16) & ParagonIE_Sodium_Core_Util::U32_MAX) \| ($x >> 16); } /* * @return self / public function mixColumns() { $q0 = $this->values[0]; $q1 = $this->values[1]; $q2 = $this->values[2]; $q3 = $this->values[3]; $q4 = $this->values[4]; $q5 = $this->values[5]; $q6 = $this->values[6]; $q7 = $this->values[7]; $r0 = (($q0 >> 8) \| ($q0 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r1 = (($q1 >> 8) \| ($q1 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r2 = (($q2 >> 8) \| ($q2 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r3 = (($q3 >> 8) \| ($q3 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r4 = (($q4 >> 8) \| ($q4 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r5 = (($q5 >> 8) \| ($q5 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r6 = (($q6 >> 8) \| ($q6 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r7 = (($q7 >> 8) \| ($q7 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $this->values[0] = $q7 ^ $r7 ^ $r0 ^ self::rotr16($q0 ^ $r0); $this->values[1] = $q0 ^ $r0 ^ $q7 ^ $r7 ^ $r1 ^ self::rotr16($q1 ^ $r1); $this->values[2] = $q1 ^ $r1 ^ $r2 ^ self::rotr16($q2 ^ $r2); $this->values[3] = $q2 ^ $r2 ^ $q7 ^ $r7 ^ $r3 ^ self::rotr16($q3 ^ $r3); $this->values[4] = $q3 ^ $r3 ^ $q7 ^ $r7 ^ $r4 ^ self::rotr16($q4 ^ $r4); $this->values[5] = $q4 ^ $r4 ^ $r5 ^ self::rotr16($q5 ^ $r5); $this->values[6] = $q5 ^ $r5 ^ $r6 ^ self::rotr16($q6 ^ $r6); $this->values[7] = $q6 ^ $r6 ^ $r7 ^ self::rotr16($q7 ^ $r7); return $this; } /* * @return self / public function inverseMixColumns() { $q0 = $this->values[0]; $q1 = $this->values[1]; $q2 = $this->values[2]; $q3 = $this->values[3]; $q4 = $this->values[4]; $q5 = $this->values[5]; $q6 = $this->values[6]; $q7 = $this->values[7]; $r0 = (($q0 >> 8) \| ($q0 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r1 = (($q1 >> 8) \| ($q1 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r2 = (($q2 >> 8) \| ($q2 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r3 = (($q3 >> 8) \| ($q3 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r4 = (($q4 >> 8) \| ($q4 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r5 = (($q5 >> 8) \| ($q5 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r6 = (($q6 >> 8) \| ($q6 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r7 = (($q7 >> 8) \| ($q7 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $this->values[0] = $q5 ^ $q6 ^ $q7 ^ $r0 ^ $r5 ^ $r7 ^ self::rotr16($q0 ^ $q5 ^ $q6 ^ $r0 ^ $r5); $this->values[1] = $q0 ^ $q5 ^ $r0 ^ $r1 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q1 ^ $q5 ^ $q7 ^ $r1 ^ $r5 ^ $r6); $this->values[2] = $q0 ^ $q1 ^ $q6 ^ $r1 ^ $r2 ^ $r6 ^ $r7 ^ self::rotr16($q0 ^ $q2 ^ $q6 ^ $r2 ^ $r6 ^ $r7); $this->values[3] = $q0 ^ $q1 ^ $q2 ^ $q5 ^ $q6 ^ $r0 ^ $r2 ^ $r3 ^ $r5 ^ self::rotr16($q0 ^ $q1 ^ $q3 ^ $q5 ^ $q6 ^ $q7 ^ $r0 ^ $r3 ^ $r5 ^ $r7); $this->values[4] = $q1 ^ $q2 ^ $q3 ^ $q5 ^ $r1 ^ $r3 ^ $r4 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q1 ^ $q2 ^ $q4 ^ $q5 ^ $q7 ^ $r1 ^ $r4 ^ $r5 ^ $r6); $this->values[5] = $q2 ^ $q3 ^ $q4 ^ $q6 ^ $r2 ^ $r4 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q2 ^ $q3 ^ $q5 ^ $q6 ^ $r2 ^ $r5 ^ $r6 ^ $r7); $this->values[6] = $q3 ^ $q4 ^ $q5 ^ $q7 ^ $r3 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q3 ^ $q4 ^ $q6 ^ $q7 ^ $r3 ^ $r6 ^ $r7); $this->values[7] = $q4 ^ $q5 ^ $q6 ^ $r4 ^ $r6 ^ $r7 ^ self::rotr16($q4 ^ $q5 ^ $q7 ^ $r4 ^ $r7); return $this; } /* * @return self */ public function inverseShiftRows() { for ($i = 0; $i < 8; ++$i) { $x = $this->values[$i]; $this->values[$i] = ParagonIE_Sodium_Core_Util::U32_MAX & ( ($x & 0x000000FF) \| (($x & 0x00003F00) << 2) \| (($x & 0x0000C000) >> 6) \| (($x & 0x000F0000) << 4) \| (($x & 0x00F00000) >> 4) \| (($x & 0x03000000) << 6) \| (($x & 0xFC000000) >> 2) ); } return $this; } }	10.22 KB	2025-09-05 13:25
📄 Expanded.php <?php if (class_exists('ParagonIE_Sodium_Core_AES_Expanded', false)) { return; } /** * @internal This should only be used by sodium_compat / class ParagonIE_Sodium_Core_AES_Expanded extends ParagonIE_Sodium_Core_AES_KeySchedule { /* @var bool $expanded */ protected $expanded = true; }	304 B	2025-09-05 13:25
📄 KeySchedule.php <?php if (class_exists('ParagonIE_Sodium_Core_AES_KeySchedule', false)) { return; } /** * @internal This should only be used by sodium_compat / class ParagonIE_Sodium_Core_AES_KeySchedule { /* @var array<int, int> $skey -- has size 120 / protected $skey; /* @var bool $expanded / protected $expanded = false; /* @var int $numRounds / private $numRounds; /* * @param array $skey * @param int $numRounds / public function __construct(array $skey, $numRounds = 10) { $this->skey = $skey; $this->numRounds = $numRounds; } /* * Get a value at an arbitrary index. Mostly used for unit testing. * * @param int $i * @return int / public function get($i) { return $this->skey[$i]; } /* * @return int / public function getNumRounds() { return $this->numRounds; } /* * @param int $offset * @return ParagonIE_Sodium_Core_AES_Block / public function getRoundKey($offset) { return ParagonIE_Sodium_Core_AES_Block::fromArray( array_slice($this->skey, $offset, 8) ); } /* * Return an expanded key schedule * * @return ParagonIE_Sodium_Core_AES_Expanded */ public function expand() { $exp = new ParagonIE_Sodium_Core_AES_Expanded( array_fill(0, 120, 0), $this->numRounds ); $n = ($exp->numRounds + 1) << 2; for ($u = 0, $v = 0; $u < $n; ++$u, $v += 2) { $x = $y = $this->skey[$u]; $x &= 0x55555555; $exp->skey[$v] = ($x \| ($x << 1)) & ParagonIE_Sodium_Core_Util::U32_MAX; $y &= 0xAAAAAAAA; $exp->skey[$v + 1] = ($y \| ($y >> 1)) & ParagonIE_Sodium_Core_Util::U32_MAX; } return $exp; } }	1.84 KB	2025-09-05 13:25

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