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<?php /** * @package FrameworkOnFramework * @subpackage Encryption * @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt * @note This file has been modified by the Joomla! Project (and VDM) and no longer reflects the original work of its author. * @depreciation This was ported for the sake of those who have stuff encrypted with the FOF encryption suite. * - Do not use this in new projects. * - Expect no updates. * - This is outdated. * - Not best choice for encryption. * - Use phpseclib/phpseclib version 3 Instead. * - Checkout the JCB Crypt Suite. <https://git.vdm.dev/joomla/phpseclib> */ namespace VDM\Joomla\FOF\Encrypt; use VDM\Joomla\FOF\Encrypt\Randvalinterface; /** * Generates cryptographically-secure random values. * * @package FrameworkOnFramework * @since 1.0 * @deprecated Use phpseclib/phpseclib version 3 Instead. */ class Randval implements Randvalinterface { /** * Returns a cryptographically secure random value. * * Since we only run on PHP 7+ we can use random_bytes(), which internally uses a crypto safe PRNG. If the function * doesn't exist, Joomla already loads a secure polyfill. * * The reason this method exists is backwards compatibility with older versions of FOF. It also allows us to quickly * address any future issues if Joomla drops the polyfill or otherwise find problems with PHP's random_bytes() on * some weird host (you can't be too careful when releasing mass-distributed software). * * @param integer $bytes How many bytes to return * * @return string */ public function generate($bytes = 32) { return random_bytes($bytes); } /** * Generate random bytes. Adapted from Joomla! 3.2. * * Since we only run on PHP 7+ we can use random_bytes(), which internally uses a crypto safe PRNG. If the function * doesn't exist, Joomla already loads a secure polyfill. * * The reason this method exists is backwards compatibility with older versions of FOF. It also allows us to quickly * address any future issues if Joomla drops the polyfill or otherwise find problems with PHP's random_bytes() on * some weird host (you can't be too careful when releasing mass-distributed software). * * @param integer $length Length of the random data to generate * * @return string Random binary data */ public function genRandomBytes($length = 32) { return random_bytes($length); } }
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