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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Core\Encoder;
use Symfony\Component\Security\Core\Encoder\BasePasswordEncoder;
/**
* @author Elnur Abdurrakhimov <elnur@elnur.pro>
* @author Terje Bråten <terje@braten.be>
*/
class BCryptPasswordEncoder extends BasePasswordEncoder
{
/**
* @var string
*/
private $cost;
/**
* Constructor.
*
* @param integer $cost The algorithmic cost that should be used
*
* @throws \InvalidArgumentException if cost is out of range
*/
public function __construct($cost)
{
if (!function_exists('password_hash')) {
throw new \RuntimeException('To use the BCrypt encoder, you need to upgrade to PHP 5.5 or install the "ircmaxell/password-compat" via Composer.');
}
$cost = (int) $cost;
if ($cost < 4 || $cost > 31) {
throw new \InvalidArgumentException('Cost must be in the range of 4-31.');
}
$this->cost = sprintf('%02d', $cost);
}
/**
* {@inheritdoc}
*/
public function encodePassword($raw, $salt)
{
return password_hash($raw, PASSWORD_BCRYPT, array('cost' => $this->cost));
}
/**
* {@inheritdoc}
*/
public function isPasswordValid($encoded, $raw, $salt)
{
return password_verify($raw, $encoded);
}
}
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