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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\passwords\driver; | |
| class argon2i extends base_native | |
| { | |
| /** @var int Maximum memory (in bytes) that may be used to compute the Argon2 hash */ | |
| protected $memory_cost; | |
| /** @var int Number of threads to use for computing the Argon2 hash */ | |
| protected $threads; | |
| /** @var int Maximum amount of time it may take to compute the Argon2 hash */ | |
| protected $time_cost; | |
| /** | |
| * Constructor of passwords driver object | |
| * | |
| * @param \phpbb\config\config $config phpBB config | |
| * @param \phpbb\passwords\driver\helper $helper Password driver helper | |
| * @param int $memory_cost Maximum memory (optional) | |
| * @param int $threads Number of threads to use (optional) | |
| * @param int $time_cost Maximum amount of time (optional) | |
| */ | |
| public function __construct(\phpbb\config\config $config, helper $helper, $memory_cost = 65536, $threads = 2, $time_cost = 4) | |
| { | |
| parent::__construct($config, $helper); | |
| /** | |
| * For Sodium implementation of argon2 algorithm (since PHP 7.4), set special value of 1 for "threads" cost factor | |
| * See https://wiki.php.net/rfc/sodium.argon.hash and PHPBB3-16266 | |
| * Don't allow cost factors to be below default settings where possible | |
| */ | |
| $this->memory_cost = max($memory_cost, defined('PASSWORD_ARGON2_DEFAULT_MEMORY_COST') ? PASSWORD_ARGON2_DEFAULT_MEMORY_COST : 65536); | |
| $this->time_cost = max($time_cost, defined('PASSWORD_ARGON2_DEFAULT_TIME_COST') ? PASSWORD_ARGON2_DEFAULT_TIME_COST : 4); | |
| $this->threads = (defined('PASSWORD_ARGON2_PROVIDER') && PASSWORD_ARGON2_PROVIDER == 'sodium') ? | |
| 1 : max($threads, defined('PASSWORD_ARGON2_DEFAULT_THREADS') ? PASSWORD_ARGON2_DEFAULT_THREADS : 1); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function get_algo_name() | |
| { | |
| return 'PASSWORD_ARGON2I'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function get_options() | |
| { | |
| return [ | |
| 'memory_cost' => $this->memory_cost, | |
| 'time_cost' => $this->time_cost, | |
| 'threads' => $this->threads | |
| ]; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function get_prefix() | |
| { | |
| return '$argon2i$'; | |
| } | |
| } |