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home/ephorei/www/wp-includes/sodium_compat/src/Core/Salsa20.php��0000644��00000020051�15006063537�0020450 0��ustar�00��<?php if (class_exists('ParagonIE_Sodium_Core_Salsa20', false)) { return; } /** * Class ParagonIE_Sodium_Core_Salsa20 / abstract class ParagonIE_Sodium_Core_Salsa20 extends ParagonIE_Sodium_Core_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 $c * @return string * @throws TypeError / public static function core_salsa20($in, $k, $c = null) { if (self::strlen($k) < 32) { throw new RangeException('Key must be 32 bytes long'); } if ($c === null) { $j0 = $x0 = 0x61707865; $j5 = $x5 = 0x3320646e; $j10 = $x10 = 0x79622d32; $j15 = $x15 = 0x6b206574; } else { $j0 = $x0 = self::load_4(self::substr($c, 0, 4)); $j5 = $x5 = self::load_4(self::substr($c, 4, 4)); $j10 = $x10 = self::load_4(self::substr($c, 8, 4)); $j15 = $x15 = self::load_4(self::substr($c, 12, 4)); } $j1 = $x1 = self::load_4(self::substr($k, 0, 4)); $j2 = $x2 = self::load_4(self::substr($k, 4, 4)); $j3 = $x3 = self::load_4(self::substr($k, 8, 4)); $j4 = $x4 = self::load_4(self::substr($k, 12, 4)); $j6 = $x6 = self::load_4(self::substr($in, 0, 4)); $j7 = $x7 = self::load_4(self::substr($in, 4, 4)); $j8 = $x8 = self::load_4(self::substr($in, 8, 4)); $j9 = $x9 = self::load_4(self::substr($in, 12, 4)); $j11 = $x11 = self::load_4(self::substr($k, 16, 4)); $j12 = $x12 = self::load_4(self::substr($k, 20, 4)); $j13 = $x13 = self::load_4(self::substr($k, 24, 4)); $j14 = $x14 = self::load_4(self::substr($k, 28, 4)); for ($i = self::ROUNDS; $i > 0; $i -= 2) { $x4 ^= self::rotate($x0 + $x12, 7); $x8 ^= self::rotate($x4 + $x0, 9); $x12 ^= self::rotate($x8 + $x4, 13); $x0 ^= self::rotate($x12 + $x8, 18); $x9 ^= self::rotate($x5 + $x1, 7); $x13 ^= self::rotate($x9 + $x5, 9); $x1 ^= self::rotate($x13 + $x9, 13); $x5 ^= self::rotate($x1 + $x13, 18); $x14 ^= self::rotate($x10 + $x6, 7); $x2 ^= self::rotate($x14 + $x10, 9); $x6 ^= self::rotate($x2 + $x14, 13); $x10 ^= self::rotate($x6 + $x2, 18); $x3 ^= self::rotate($x15 + $x11, 7); $x7 ^= self::rotate($x3 + $x15, 9); $x11 ^= self::rotate($x7 + $x3, 13); $x15 ^= self::rotate($x11 + $x7, 18); $x1 ^= self::rotate($x0 + $x3, 7); $x2 ^= self::rotate($x1 + $x0, 9); $x3 ^= self::rotate($x2 + $x1, 13); $x0 ^= self::rotate($x3 + $x2, 18); $x6 ^= self::rotate($x5 + $x4, 7); $x7 ^= self::rotate($x6 + $x5, 9); $x4 ^= self::rotate($x7 + $x6, 13); $x5 ^= self::rotate($x4 + $x7, 18); $x11 ^= self::rotate($x10 + $x9, 7); $x8 ^= self::rotate($x11 + $x10, 9); $x9 ^= self::rotate($x8 + $x11, 13); $x10 ^= self::rotate($x9 + $x8, 18); $x12 ^= self::rotate($x15 + $x14, 7); $x13 ^= self::rotate($x12 + $x15, 9); $x14 ^= self::rotate($x13 + $x12, 13); $x15 ^= self::rotate($x14 + $x13, 18); } $x0 += $j0; $x1 += $j1; $x2 += $j2; $x3 += $j3; $x4 += $j4; $x5 += $j5; $x6 += $j6; $x7 += $j7; $x8 += $j8; $x9 += $j9; $x10 += $j10; $x11 += $j11; $x12 += $j12; $x13 += $j13; $x14 += $j14; $x15 += $j15; return self::store32_le($x0) . self::store32_le($x1) . self::store32_le($x2) . self::store32_le($x3) . self::store32_le($x4) . self::store32_le($x5) . self::store32_le($x6) . self::store32_le($x7) . self::store32_le($x8) . self::store32_le($x9) . self::store32_le($x10) . self::store32_le($x11) . self::store32_le($x12) . self::store32_le($x13) . self::store32_le($x14) . self::store32_le($x15); } /* * @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 $in .= ParagonIE_Sodium_Core_Util::store64_le($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 ) ); } /* * @internal You should not use this directly from another application * * @param int $u * @param int $c * @return int / public static function rotate($u, $c) { $u &= 0xffffffff; $c %= 32; return (int) (0xffffffff & ( ($u << $c) \| ($u >> (32 - $c)) ) ); } } ��home/ephorei/www/wp-includes/sodium_compat/src/Core32/Salsa20.php��0000644��00000026362�15006064336�0020626 0��ustar�00��<?php 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 ) ); } } ��

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