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<?php
namespace Riimu\Kit\SecureRandom\Generator;
/**
* Generates bytes using mcrypt extension.
*
* Mcrypt generator creates secure random byte using the mcrypt_create_iv
* function. The generator can either use /dev/urandom or /dev/random as the
* randomness source for the function. Note that on windows based systems, the
* function resorts to windows specific random generator.
* @author Riikka Kalliomäki <[email protected]>
* @copyright Copyright (c) 2014-2017 Riikka Kalliomäki
* @license http://opensource.org/licenses/mit-license.php MIT License
*/
class Mcrypt extends AbstractGenerator
{
/** @var int Random source for mcrypt_create_iv */
private $mode;
* Creates new instance of Mcrypt generator.
* @param bool $urandom True to use /dev/urandom and false for /dev/random
public function __construct($urandom = true)
$this->mode = $urandom ? MCRYPT_DEV_URANDOM : MCRYPT_DEV_RANDOM;
}
public function isSupported()
return function_exists('mcrypt_create_iv');
protected function readBytes($count)
return mcrypt_create_iv($count, $this->mode);
Riimu /
Kit-SecureRandom
