diff options
Diffstat (limited to 'lib/random_bytes_openssl.php')
-rw-r--r-- | lib/random_bytes_openssl.php | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/lib/random_bytes_openssl.php b/lib/random_bytes_openssl.php deleted file mode 100644 index 62bf770..0000000 --- a/lib/random_bytes_openssl.php +++ /dev/null @@ -1,83 +0,0 @@ -<?php -/** - * Random_* Compatibility Library - * for using the new PHP 7 random_* API in PHP 5 projects - * - * The MIT License (MIT) - * - * Copyright (c) 2015 Paragon Initiative Enterprises - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/** - * Since openssl_random_pseudo_bytes() uses openssl's - * RAND_pseudo_bytes() API, which has been marked as deprecated by the - * OpenSSL team, this is our last resort before failure. - * - * @ref https://www.openssl.org/docs/crypto/RAND_bytes.html - * - * @param int $bytes - * - * @throws Exception - * - * @return string - */ -function random_bytes($bytes) -{ - try { - $bytes = RandomCompat_intval($bytes); - } catch (TypeError $ex) { - throw new TypeError( - 'random_bytes(): $bytes must be an integer' - ); - } - - if ($bytes < 1) { - throw new Error( - 'Length must be greater than 0' - ); - } - - /** - * $secure is passed by reference. If it's set to false, fail. Note - * that this will only return false if this function fails to return - * any data. - * - * @ref https://github.com/paragonie/random_compat/issues/6#issuecomment-119564973 - */ - $secure = true; - $buf = openssl_random_pseudo_bytes($bytes, $secure); - if ( - $buf !== false - && - $secure - && - RandomCompat_strlen($buf) === $bytes - ) { - return $buf; - } - - /** - * If we reach here, PHP has failed us. - */ - throw new Exception( - 'Could not gather sufficient random data' - ); -} |