mirror of
https://github.com/nuxsmin/sysPass.git
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ff7e6e3519
* [ADD] Using URL routing * [ADD] Using dependency injection * [MOD] Big app structure changes
82 lines
2.2 KiB
PHP
82 lines
2.2 KiB
PHP
<?php
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/**
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* sysPass
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*
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* @author nuxsmin
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* @link http://syspass.org
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* @copyright 2012-2017, Rubén Domínguez nuxsmin@$syspass.org
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*
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* This file is part of sysPass.
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*
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* sysPass is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* sysPass is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with sysPass. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace SP\Core\Crypt;
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/**
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* Class Hash
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*
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* @package SP\Core\Crypt
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*/
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class Hash
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{
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/**
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* Longitud máxima aceptada para hashing
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*/
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const MAX_KEY_LENGTH = 72;
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/**
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* Comprobar el hash de una clave.
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*
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* @param string $key con la clave a comprobar
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* @param string $hash con el hash a comprobar
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* @return bool
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* @throws \SP\Core\Exceptions\SPException
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*/
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public static function checkHashKey($key, $hash)
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{
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return password_verify(self::getKey($key), $hash);
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}
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/**
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* Devolver la clave preparada. Se crea un hash si supera la longitud máxima.
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*
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* @param string $key
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* @param bool $isCheck Indica si la operación es de comprobación o no
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* @return string
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*/
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private static function getKey(&$key, $isCheck = true)
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{
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if (mb_strlen($key) > Hash::MAX_KEY_LENGTH) {
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$key = hash('sha256', $key);
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if ($isCheck === false) {
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debugLog('[INFO] Password string shortened using SHA256 and then BCRYPT');
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}
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}
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return $key;
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}
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/**
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* Generar un hash de una clave criptográficamente segura
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*
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* @param string $key con la clave a 'hashear'
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* @return string con el hash de la clave
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*/
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public static function hashKey($key)
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{
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return password_hash(self::getKey($key, false), PASSWORD_BCRYPT);
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}
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} |