| 23,20 → 23,24 |
|---|
| |
| const OPEN_TRANS_DIR = __DIR__.'/cache'; |
| |
| private static function sha3_512($message, $raw_output=false) { |
| if (version_compare(PHP_VERSION, '7.1.0') >= 0) { |
| return hash('sha3-512', $message, $raw_output); |
| } else { |
| private static function tryDownloadPhpSha3() { |
| // Download file if required (usually composer should do it) |
| if (file_exists(__DIR__.'/Sha3.php')) include_once __DIR__.'/Sha3.php'; |
| if (!class_exists('\bb\Sha3\Sha3')) { |
| $sha3_lib = file_get_contents('https://raw.githubusercontent.com/danielmarschall/php-sha3/master/src/Sha3.php'); |
| if (file_put_contents(__DIR__.'/Sha3.php', $sha3_lib)) { |
| if (@file_put_contents(__DIR__.'/Sha3.php', $sha3_lib)) { |
| include_once __DIR__.'/Sha3.php'; |
| } else { |
| eval('?>'.$sha3_lib); |
| } |
| } |
| } |
| |
| private static function sha3_512($message, $raw_output=false) { |
| if (version_compare(PHP_VERSION, '7.1.0') >= 0) { |
| return hash('sha3-512', $message, $raw_output); |
| } else { |
| self::tryDownloadPhpSha3(); |
| return \bb\Sha3\Sha3::hash($message, 512, $raw_output); |
| } |
| } |
| 46,25 → 50,11 |
|---|
| if (version_compare(PHP_VERSION, '7.1.0') >= 0) { |
| return hash_hmac('sha3-512', $message, $key, $raw_output); |
| } else { |
| $blocksize = 576; // block size of sha-512! |
| |
| if (strlen($key) > ($blocksize/8)) { |
| $k_ = self::sha3_512($key,true); |
| } else { |
| $k_ = $key; |
| self::tryDownloadPhpSha3(); |
| return \bb\Sha3\Sha3::hash_hmac($message, $key, 512, $raw_output); |
| } |
| |
| $k_opad = str_repeat(chr(0x5C),($blocksize/8)); |
| $k_ipad = str_repeat(chr(0x36),($blocksize/8)); |
| for ($i=0; $i<strlen($k_); $i++) { |
| $k_opad[$i] = $k_opad[$i] ^ $k_[$i]; |
| $k_ipad[$i] = $k_ipad[$i] ^ $k_[$i]; |
| } |
| |
| return self::sha3_512($k_opad . self::sha3_512($k_ipad . $message, true)); |
| } |
| } |
| |
| private static function getOpenTransFileName($ip_target, $random) { |
| // Delete challenges which were never completed |
| $files = glob(self::OPEN_TRANS_DIR.'/*.tmp'); |