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<?php
/**
* Nextcloud - user_sql
*
* @copyright 2018 Marcin Łojewski <dev@mlojewski.me>
* @author Marcin Łojewski <dev@mlojewski.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\UserSQL\Crypto;
use OCP\IL10N;
/**
* SHA256 Crypt hash implementation.
*
* @see crypt()
* @author Marcin Łojewski <dev@mlojewski.me>
*/
class CryptSHA256 extends AbstractCrypt
{
/**
* @var int The number of rounds.
*/
private $rounds;
/**
* The class constructor.
*
* @param IL10N $localization The localization service.
* @param int $rounds The number of rounds.
* This value must be between 1000 and 999999999.
*/
public function __construct(IL10N $localization, $rounds = 5000)
{
parent::__construct($localization);
$this->rounds = $rounds;
}
/**
* @inheritdoc
*/
public function configuration()
{
return [new CryptoParam("Rounds", 5000, 1000, 999999999)];
}
/**
* @inheritdoc
*/
protected function getSalt()
{
return "$5\$rounds=" . $this->rounds . "$" . Utils::randomString(
16, self::SALT_ALPHABET
) . "$";
}
/**
* @inheritdoc
*/
protected function getAlgorithmName()
{
return "SHA256 (Crypt)";
}
}
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