Common
9 months ago
DH
9 months ago
DSA
9 months ago
EC
9 months ago
RSA
9 months ago
.htaccess
9 months ago
AES.php
9 months ago
Blowfish.php
9 months ago
ChaCha20.php
9 months ago
DES.php
9 months ago
DH.php
9 months ago
DSA.php
9 months ago
EC.php
9 months ago
Hash.php
9 months ago
PublicKeyLoader.php
9 months ago
RC2.php
9 months ago
RC4.php
9 months ago
RSA.php
9 months ago
Random.php
9 months ago
Rijndael.php
9 months ago
Salsa20.php
9 months ago
TripleDES.php
9 months ago
Twofish.php
9 months ago
index.html
9 months ago
web.config
9 months ago
ChaCha20.php
789 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Pure-PHP implementation of ChaCha20. |
| 5 | * |
| 6 | * PHP version 5 |
| 7 | * |
| 8 | * @author Jim Wigginton <terrafrost@php.net> |
| 9 | * @copyright 2019 Jim Wigginton |
| 10 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 11 | * @link http://phpseclib.sourceforge.net |
| 12 | */ |
| 13 | |
| 14 | declare(strict_types=1); |
| 15 | |
| 16 | namespace phpseclib3\Crypt; |
| 17 | |
| 18 | use phpseclib3\Exception\BadDecryptionException; |
| 19 | use phpseclib3\Exception\InsufficientSetupException; |
| 20 | use phpseclib3\Exception\LengthException; |
| 21 | use phpseclib3\Exception\UnexpectedValueException; |
| 22 | |
| 23 | /** |
| 24 | * Pure-PHP implementation of ChaCha20. |
| 25 | * |
| 26 | * @author Jim Wigginton <terrafrost@php.net> |
| 27 | */ |
| 28 | class ChaCha20 extends Salsa20 |
| 29 | { |
| 30 | /** |
| 31 | * The OpenSSL specific name of the cipher |
| 32 | * |
| 33 | * @var string |
| 34 | */ |
| 35 | protected $cipher_name_openssl = 'chacha20'; |
| 36 | |
| 37 | /** |
| 38 | * Test for engine validity |
| 39 | * |
| 40 | * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine() |
| 41 | * |
| 42 | * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct() |
| 43 | */ |
| 44 | protected function isValidEngineHelper(int $engine): bool |
| 45 | { |
| 46 | switch ($engine) { |
| 47 | case self::ENGINE_LIBSODIUM: |
| 48 | // PHP 7.2.0 (30 Nov 2017) added support for libsodium |
| 49 | |
| 50 | // we could probably make it so that if $this->counter == 0 then the first block would be done with either OpenSSL |
| 51 | // or PHP and then subsequent blocks would then be done with libsodium but idk - it's not a high priority atm |
| 52 | |
| 53 | // we could also make it so that if $this->counter == 0 and $this->continuousBuffer then do the first string |
| 54 | // with libsodium and subsequent strings with openssl or pure-PHP but again not a high priority |
| 55 | return function_exists('sodium_crypto_aead_chacha20poly1305_ietf_encrypt') && |
| 56 | $this->key_length == 32 && |
| 57 | (($this->usePoly1305 && !isset($this->poly1305Key) && $this->counter == 0) || $this->counter == 1) && |
| 58 | !$this->continuousBuffer; |
| 59 | case self::ENGINE_OPENSSL: |
| 60 | // OpenSSL 1.1.0 (released 25 Aug 2016) added support for chacha20. |
| 61 | // PHP didn't support OpenSSL 1.1.0 until 7.0.19 (11 May 2017) |
| 62 | |
| 63 | // if you attempt to provide openssl with a 128 bit key (as opposed to a 256 bit key) openssl will null |
| 64 | // pad the key to 256 bits and still use the expansion constant for 256-bit keys. the fact that |
| 65 | // openssl treats the IV as both the counter and nonce, however, let's us use openssl in continuous mode |
| 66 | // whereas libsodium does not |
| 67 | if ($this->key_length != 32) { |
| 68 | return false; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | return parent::isValidEngineHelper($engine); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Encrypts a message. |
| 77 | * |
| 78 | * @return string $ciphertext |
| 79 | * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt() |
| 80 | * @see self::crypt() |
| 81 | */ |
| 82 | public function encrypt(string $plaintext): string |
| 83 | { |
| 84 | $this->setup(); |
| 85 | |
| 86 | if ($this->engine == self::ENGINE_LIBSODIUM) { |
| 87 | return $this->encrypt_with_libsodium($plaintext); |
| 88 | } |
| 89 | |
| 90 | return parent::encrypt($plaintext); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Decrypts a message. |
| 95 | * |
| 96 | * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)). |
| 97 | * At least if the continuous buffer is disabled. |
| 98 | * |
| 99 | * @return string $plaintext |
| 100 | * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt() |
| 101 | * @see self::crypt() |
| 102 | */ |
| 103 | public function decrypt(string $ciphertext): string |
| 104 | { |
| 105 | $this->setup(); |
| 106 | |
| 107 | if ($this->engine == self::ENGINE_LIBSODIUM) { |
| 108 | return $this->decrypt_with_libsodium($ciphertext); |
| 109 | } |
| 110 | |
| 111 | return parent::decrypt($ciphertext); |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Encrypts a message with libsodium |
| 116 | * |
| 117 | * @return string $text |
| 118 | * @see self::encrypt() |
| 119 | */ |
| 120 | private function encrypt_with_libsodium(string $plaintext): string |
| 121 | { |
| 122 | $params = [$plaintext, $this->aad, $this->nonce, $this->key]; |
| 123 | $ciphertext = strlen($this->nonce) == 8 ? |
| 124 | sodium_crypto_aead_chacha20poly1305_encrypt(...$params) : |
| 125 | sodium_crypto_aead_chacha20poly1305_ietf_encrypt(...$params); |
| 126 | if (!$this->usePoly1305) { |
| 127 | return substr($ciphertext, 0, strlen($plaintext)); |
| 128 | } |
| 129 | |
| 130 | $newciphertext = substr($ciphertext, 0, strlen($plaintext)); |
| 131 | |
| 132 | $this->newtag = $this->usingGeneratedPoly1305Key && strlen($this->nonce) == 12 ? |
| 133 | substr($ciphertext, strlen($plaintext)) : |
| 134 | $this->poly1305($newciphertext); |
| 135 | |
| 136 | return $newciphertext; |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Decrypts a message with libsodium |
| 141 | * |
| 142 | * @return string $text |
| 143 | * @see self::decrypt() |
| 144 | */ |
| 145 | private function decrypt_with_libsodium(string $ciphertext): string |
| 146 | { |
| 147 | $params = [$ciphertext, $this->aad, $this->nonce, $this->key]; |
| 148 | |
| 149 | if (isset($this->poly1305Key)) { |
| 150 | if ($this->oldtag === false) { |
| 151 | throw new InsufficientSetupException('Authentication Tag has not been set'); |
| 152 | } |
| 153 | if ($this->usingGeneratedPoly1305Key && strlen($this->nonce) == 12) { |
| 154 | $plaintext = sodium_crypto_aead_chacha20poly1305_ietf_decrypt(...$params); |
| 155 | $this->oldtag = false; |
| 156 | if ($plaintext === false) { |
| 157 | throw new BadDecryptionException('Derived authentication tag and supplied authentication tag do not match'); |
| 158 | } |
| 159 | return $plaintext; |
| 160 | } |
| 161 | $newtag = $this->poly1305($ciphertext); |
| 162 | if ($this->oldtag != substr($newtag, 0, strlen($this->oldtag))) { |
| 163 | $this->oldtag = false; |
| 164 | throw new BadDecryptionException('Derived authentication tag and supplied authentication tag do not match'); |
| 165 | } |
| 166 | $this->oldtag = false; |
| 167 | } |
| 168 | |
| 169 | $plaintext = strlen($this->nonce) == 8 ? |
| 170 | sodium_crypto_aead_chacha20poly1305_encrypt(...$params) : |
| 171 | sodium_crypto_aead_chacha20poly1305_ietf_encrypt(...$params); |
| 172 | |
| 173 | return substr($plaintext, 0, strlen($ciphertext)); |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Sets the nonce. |
| 178 | */ |
| 179 | public function setNonce(string $nonce): void |
| 180 | { |
| 181 | if (!is_string($nonce)) { |
| 182 | throw new UnexpectedValueException('The nonce should be a string'); |
| 183 | } |
| 184 | |
| 185 | /* |
| 186 | from https://tools.ietf.org/html/rfc7539#page-7 |
| 187 | |
| 188 | "Note also that the original ChaCha had a 64-bit nonce and 64-bit |
| 189 | block count. We have modified this here to be more consistent with |
| 190 | recommendations in Section 3.2 of [RFC5116]." |
| 191 | */ |
| 192 | switch (strlen($nonce)) { |
| 193 | case 8: // 64 bits |
| 194 | case 12: // 96 bits |
| 195 | break; |
| 196 | default: |
| 197 | throw new LengthException('Nonce of size ' . strlen($nonce) . ' not supported by this algorithm. Only 64-bit nonces or 96-bit nonces are supported'); |
| 198 | } |
| 199 | |
| 200 | $this->nonce = $nonce; |
| 201 | $this->changed = true; |
| 202 | $this->setEngine(); |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Setup the self::ENGINE_INTERNAL $engine |
| 207 | * |
| 208 | * (re)init, if necessary, the internal cipher $engine |
| 209 | * |
| 210 | * _setup() will be called each time if $changed === true |
| 211 | * typically this happens when using one or more of following public methods: |
| 212 | * |
| 213 | * - setKey() |
| 214 | * |
| 215 | * - setNonce() |
| 216 | * |
| 217 | * - First run of encrypt() / decrypt() with no init-settings |
| 218 | * |
| 219 | * @see self::setKey() |
| 220 | * @see self::setNonce() |
| 221 | * @see self::disableContinuousBuffer() |
| 222 | */ |
| 223 | protected function setup(): void |
| 224 | { |
| 225 | if (!$this->changed) { |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | $this->enbuffer = $this->debuffer = ['ciphertext' => '', 'counter' => $this->counter]; |
| 230 | |
| 231 | $this->changed = $this->nonIVChanged = false; |
| 232 | |
| 233 | if ($this->nonce === false) { |
| 234 | throw new InsufficientSetupException('No nonce has been defined'); |
| 235 | } |
| 236 | |
| 237 | if ($this->key === false) { |
| 238 | throw new InsufficientSetupException('No key has been defined'); |
| 239 | } |
| 240 | |
| 241 | if ($this->usePoly1305 && !isset($this->poly1305Key)) { |
| 242 | $this->usingGeneratedPoly1305Key = true; |
| 243 | if ($this->engine == self::ENGINE_LIBSODIUM) { |
| 244 | return; |
| 245 | } |
| 246 | $this->createPoly1305Key(); |
| 247 | } |
| 248 | |
| 249 | $key = $this->key; |
| 250 | if (strlen($key) == 16) { |
| 251 | $constant = 'expand 16-byte k'; |
| 252 | $key .= $key; |
| 253 | } else { |
| 254 | $constant = 'expand 32-byte k'; |
| 255 | } |
| 256 | |
| 257 | $this->p1 = $constant . $key; |
| 258 | $this->p2 = $this->nonce; |
| 259 | if (strlen($this->nonce) == 8) { |
| 260 | $this->p2 = "\0\0\0\0" . $this->p2; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * The quarterround function |
| 266 | */ |
| 267 | protected static function quarterRound(int &$a, int &$b, int &$c, int &$d): void |
| 268 | { |
| 269 | // in https://datatracker.ietf.org/doc/html/rfc7539#section-2.1 the addition, |
| 270 | // xor'ing and rotation are all on the same line so i'm keeping it on the same |
| 271 | // line here as well |
| 272 | // @codingStandardsIgnoreStart |
| 273 | $a+= $b; $d = self::leftRotate(intval($d) ^ intval($a), 16); |
| 274 | $c+= $d; $b = self::leftRotate(intval($b) ^ intval($c), 12); |
| 275 | $a+= $b; $d = self::leftRotate(intval($d) ^ intval($a), 8); |
| 276 | $c+= $d; $b = self::leftRotate(intval($b) ^ intval($c), 7); |
| 277 | // @codingStandardsIgnoreEnd |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * The doubleround function |
| 282 | * |
| 283 | * @param int $x0 (by reference) |
| 284 | * @param int $x1 (by reference) |
| 285 | * @param int $x2 (by reference) |
| 286 | * @param int $x3 (by reference) |
| 287 | * @param int $x4 (by reference) |
| 288 | * @param int $x5 (by reference) |
| 289 | * @param int $x6 (by reference) |
| 290 | * @param int $x7 (by reference) |
| 291 | * @param int $x8 (by reference) |
| 292 | * @param int $x9 (by reference) |
| 293 | * @param int $x10 (by reference) |
| 294 | * @param int $x11 (by reference) |
| 295 | * @param int $x12 (by reference) |
| 296 | * @param int $x13 (by reference) |
| 297 | * @param int $x14 (by reference) |
| 298 | * @param int $x15 (by reference) |
| 299 | */ |
| 300 | protected static function doubleRound(int &$x0, int &$x1, int &$x2, int &$x3, int &$x4, int &$x5, int &$x6, int &$x7, int &$x8, int &$x9, int &$x10, int &$x11, int &$x12, int &$x13, int &$x14, int &$x15): void |
| 301 | { |
| 302 | // columnRound |
| 303 | static::quarterRound($x0, $x4, $x8, $x12); |
| 304 | static::quarterRound($x1, $x5, $x9, $x13); |
| 305 | static::quarterRound($x2, $x6, $x10, $x14); |
| 306 | static::quarterRound($x3, $x7, $x11, $x15); |
| 307 | // rowRound |
| 308 | static::quarterRound($x0, $x5, $x10, $x15); |
| 309 | static::quarterRound($x1, $x6, $x11, $x12); |
| 310 | static::quarterRound($x2, $x7, $x8, $x13); |
| 311 | static::quarterRound($x3, $x4, $x9, $x14); |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * The Salsa20 hash function function |
| 316 | * |
| 317 | * On my laptop this loop unrolled / function dereferenced version of parent::salsa20 encrypts 1mb of text in |
| 318 | * 0.65s vs the 0.85s that it takes with the parent method. |
| 319 | * |
| 320 | * If we were free to assume that the host OS would always be 64-bits then the if condition in leftRotate could |
| 321 | * be eliminated and we could knock this done to 0.60s. |
| 322 | * |
| 323 | * For comparison purposes, RC4 takes 0.16s and AES in CTR mode with the Eval engine takes 0.48s. |
| 324 | * AES in CTR mode with the PHP engine takes 1.19s. Salsa20 / ChaCha20 do not benefit as much from the Eval |
| 325 | * approach due to the fact that there are a lot less variables to de-reference, fewer loops to unroll, etc |
| 326 | */ |
| 327 | protected static function salsa20(string $x) |
| 328 | { |
| 329 | [, $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15] = unpack('V*', $x); |
| 330 | $z0 = $x0; |
| 331 | $z1 = $x1; |
| 332 | $z2 = $x2; |
| 333 | $z3 = $x3; |
| 334 | $z4 = $x4; |
| 335 | $z5 = $x5; |
| 336 | $z6 = $x6; |
| 337 | $z7 = $x7; |
| 338 | $z8 = $x8; |
| 339 | $z9 = $x9; |
| 340 | $z10 = $x10; |
| 341 | $z11 = $x11; |
| 342 | $z12 = $x12; |
| 343 | $z13 = $x13; |
| 344 | $z14 = $x14; |
| 345 | $z15 = $x15; |
| 346 | |
| 347 | // @codingStandardsIgnoreStart |
| 348 | // columnRound |
| 349 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 350 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 351 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 352 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 353 | |
| 354 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 355 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 356 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 357 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 358 | |
| 359 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 360 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 361 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 362 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 363 | |
| 364 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 365 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 366 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 367 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 368 | |
| 369 | // rowRound |
| 370 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 371 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 372 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 373 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 374 | |
| 375 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 376 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 377 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 378 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 379 | |
| 380 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 381 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 382 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 383 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 384 | |
| 385 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 386 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 387 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 388 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 389 | |
| 390 | // columnRound |
| 391 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 392 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 393 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 394 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 395 | |
| 396 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 397 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 398 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 399 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 400 | |
| 401 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 402 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 403 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 404 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 405 | |
| 406 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 407 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 408 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 409 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 410 | |
| 411 | // rowRound |
| 412 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 413 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 414 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 415 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 416 | |
| 417 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 418 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 419 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 420 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 421 | |
| 422 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 423 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 424 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 425 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 426 | |
| 427 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 428 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 429 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 430 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 431 | |
| 432 | // columnRound |
| 433 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 434 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 435 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 436 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 437 | |
| 438 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 439 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 440 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 441 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 442 | |
| 443 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 444 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 445 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 446 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 447 | |
| 448 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 449 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 450 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 451 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 452 | |
| 453 | // rowRound |
| 454 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 455 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 456 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 457 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 458 | |
| 459 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 460 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 461 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 462 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 463 | |
| 464 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 465 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 466 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 467 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 468 | |
| 469 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 470 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 471 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 472 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 473 | |
| 474 | // columnRound |
| 475 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 476 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 477 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 478 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 479 | |
| 480 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 481 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 482 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 483 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 484 | |
| 485 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 486 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 487 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 488 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 489 | |
| 490 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 491 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 492 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 493 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 494 | |
| 495 | // rowRound |
| 496 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 497 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 498 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 499 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 500 | |
| 501 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 502 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 503 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 504 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 505 | |
| 506 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 507 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 508 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 509 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 510 | |
| 511 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 512 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 513 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 514 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 515 | |
| 516 | // columnRound |
| 517 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 518 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 519 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 520 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 521 | |
| 522 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 523 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 524 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 525 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 526 | |
| 527 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 528 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 529 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 530 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 531 | |
| 532 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 533 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 534 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 535 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 536 | |
| 537 | // rowRound |
| 538 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 539 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 540 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 541 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 542 | |
| 543 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 544 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 545 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 546 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 547 | |
| 548 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 549 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 550 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 551 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 552 | |
| 553 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 554 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 555 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 556 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 557 | |
| 558 | // columnRound |
| 559 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 560 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 561 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 562 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 563 | |
| 564 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 565 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 566 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 567 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 568 | |
| 569 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 570 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 571 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 572 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 573 | |
| 574 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 575 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 576 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 577 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 578 | |
| 579 | // rowRound |
| 580 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 581 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 582 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 583 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 584 | |
| 585 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 586 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 587 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 588 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 589 | |
| 590 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 591 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 592 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 593 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 594 | |
| 595 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 596 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 597 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 598 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 599 | |
| 600 | // columnRound |
| 601 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 602 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 603 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 604 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 605 | |
| 606 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 607 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 608 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 609 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 610 | |
| 611 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 612 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 613 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 614 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 615 | |
| 616 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 617 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 618 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 619 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 620 | |
| 621 | // rowRound |
| 622 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 623 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 624 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 625 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 626 | |
| 627 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 628 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 629 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 630 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 631 | |
| 632 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 633 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 634 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 635 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 636 | |
| 637 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 638 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 639 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 640 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 641 | |
| 642 | // columnRound |
| 643 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 644 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 645 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 646 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 647 | |
| 648 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 649 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 650 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 651 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 652 | |
| 653 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 654 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 655 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 656 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 657 | |
| 658 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 659 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 660 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 661 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 662 | |
| 663 | // rowRound |
| 664 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 665 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 666 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 667 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 668 | |
| 669 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 670 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 671 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 672 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 673 | |
| 674 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 675 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 676 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 677 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 678 | |
| 679 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 680 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 681 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 682 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 683 | |
| 684 | // columnRound |
| 685 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 686 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 687 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 688 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 689 | |
| 690 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 691 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 692 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 693 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 694 | |
| 695 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 696 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 697 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 698 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 699 | |
| 700 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 701 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 702 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 703 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 704 | |
| 705 | // rowRound |
| 706 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 707 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 708 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 709 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 710 | |
| 711 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 712 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 713 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 714 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 715 | |
| 716 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 717 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 718 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 719 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 720 | |
| 721 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 722 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 723 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 724 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 725 | |
| 726 | // columnRound |
| 727 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 16); |
| 728 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 12); |
| 729 | $x0+= $x4; $x12 = self::leftRotate(intval($x12) ^ intval($x0), 8); |
| 730 | $x8+= $x12; $x4 = self::leftRotate(intval($x4) ^ intval($x8), 7); |
| 731 | |
| 732 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 16); |
| 733 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 12); |
| 734 | $x1+= $x5; $x13 = self::leftRotate(intval($x13) ^ intval($x1), 8); |
| 735 | $x9+= $x13; $x5 = self::leftRotate(intval($x5) ^ intval($x9), 7); |
| 736 | |
| 737 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 16); |
| 738 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 12); |
| 739 | $x2+= $x6; $x14 = self::leftRotate(intval($x14) ^ intval($x2), 8); |
| 740 | $x10+= $x14; $x6 = self::leftRotate(intval($x6) ^ intval($x10), 7); |
| 741 | |
| 742 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 16); |
| 743 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 12); |
| 744 | $x3+= $x7; $x15 = self::leftRotate(intval($x15) ^ intval($x3), 8); |
| 745 | $x11+= $x15; $x7 = self::leftRotate(intval($x7) ^ intval($x11), 7); |
| 746 | |
| 747 | // rowRound |
| 748 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 16); |
| 749 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 12); |
| 750 | $x0+= $x5; $x15 = self::leftRotate(intval($x15) ^ intval($x0), 8); |
| 751 | $x10+= $x15; $x5 = self::leftRotate(intval($x5) ^ intval($x10), 7); |
| 752 | |
| 753 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 16); |
| 754 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 12); |
| 755 | $x1+= $x6; $x12 = self::leftRotate(intval($x12) ^ intval($x1), 8); |
| 756 | $x11+= $x12; $x6 = self::leftRotate(intval($x6) ^ intval($x11), 7); |
| 757 | |
| 758 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 16); |
| 759 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 12); |
| 760 | $x2+= $x7; $x13 = self::leftRotate(intval($x13) ^ intval($x2), 8); |
| 761 | $x8+= $x13; $x7 = self::leftRotate(intval($x7) ^ intval($x8), 7); |
| 762 | |
| 763 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 16); |
| 764 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 12); |
| 765 | $x3+= $x4; $x14 = self::leftRotate(intval($x14) ^ intval($x3), 8); |
| 766 | $x9+= $x14; $x4 = self::leftRotate(intval($x4) ^ intval($x9), 7); |
| 767 | // @codingStandardsIgnoreEnd |
| 768 | |
| 769 | $x0 += $z0; |
| 770 | $x1 += $z1; |
| 771 | $x2 += $z2; |
| 772 | $x3 += $z3; |
| 773 | $x4 += $z4; |
| 774 | $x5 += $z5; |
| 775 | $x6 += $z6; |
| 776 | $x7 += $z7; |
| 777 | $x8 += $z8; |
| 778 | $x9 += $z9; |
| 779 | $x10 += $z10; |
| 780 | $x11 += $z11; |
| 781 | $x12 += $z12; |
| 782 | $x13 += $z13; |
| 783 | $x14 += $z14; |
| 784 | $x15 += $z15; |
| 785 | |
| 786 | return pack('V*', $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15); |
| 787 | } |
| 788 | } |
| 789 |