Files
sysPass/lib/SP/Core/Crypt/Cookie.php
nuxsmin ff7e6e3519 * [ADD] Work in progress
* [ADD] Using URL routing
* [ADD] Using dependency injection
* [MOD] Big app structure changes
2017-10-17 02:00:53 +02:00

65 lines
1.7 KiB
PHP

<?php
/**
* sysPass
*
* @author nuxsmin
* @link http://syspass.org
* @copyright 2012-2017, Rubén Domínguez nuxsmin@$syspass.org
*
* This file is part of sysPass.
*
* sysPass is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* sysPass 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with sysPass. If not, see <http://www.gnu.org/licenses/>.
*/
namespace SP\Core\Crypt;
/**
* Class Cookie
*
* @package SP\Core\Crypt
*/
abstract class Cookie
{
/**
* Firmar la cookie para autentificación
*
* @param string $data
* @param string $cypher
* @return string
*/
protected final function sign($data, $cypher)
{
$data = base64_encode($data);
return hash_hmac('sha256', $data, $cypher) . ';' . $data;
}
/**
* Comprobar la firma de la cookie y devolver los datos
*
* @param string $data
* @param string $cypher
* @return bool|string
*/
protected final function getCookieData($data, $cypher)
{
list($signature, $data) = explode(';', $data, 2);
if (!empty($signature) && !empty($data)) {
return hash_equals($signature, hash_hmac('sha256', $data, $cypher)) ? base64_decode($data) : false;
}
return false;
}
}