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KeyAlgorithm
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File: DefaultAlgorithm.php
<?php /** * OAuth 2.0 Secure key interface * * @package league/oauth2-server * @author Alex Bilbie <hello@alexbilbie.com> * @copyright Copyright (c) Alex Bilbie * @license http://mit-license.org/ * @link https://github.com/thephpleague/oauth2-server */ namespace League\OAuth2\Server\Util\KeyAlgorithm; class DefaultAlgorithm implements KeyAlgorithmInterface { /** * {@inheritdoc} */ public function generate($len = 40) { $stripped = ''; do { $bytes = openssl_random_pseudo_bytes($len, $strong); // We want to stop execution if the key fails because, well, that is bad. if ($bytes === false || $strong === false) { // @codeCoverageIgnoreStart throw new \Exception('Error Generating Key'); // @codeCoverageIgnoreEnd } $stripped .= str_replace(['/', '+', '='], '', base64_encode($bytes)); } while (strlen($stripped) < $len); return substr($stripped, 0, $len); } }