Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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argon2i.php
01 <?php
02 /**
03 *
04 * This file is part of the phpBB Forum Software package.
05 *
06 * @copyright (c) phpBB Limited <https://www.phpbb.com>
07 * @license GNU General Public License, version 2 (GPL-2.0)
08 *
09 * For full copyright and license information, please see
10 * the docs/CREDITS.txt file.
11 *
12 */
13
14 namespace phpbb\passwords\driver;
15
16 class argon2i extends base_native
17 {
18 /** @var int Maximum memory (in bytes) that may be used to compute the Argon2 hash */
19 protected $memory_cost;
20
21 /** @var int Number of threads to use for computing the Argon2 hash */
22 protected $threads;
23
24 /** @var int Maximum amount of time it may take to compute the Argon2 hash */
25 protected $time_cost;
26
27 /**
28 * Constructor of passwords driver object
29 *
30 * @param \phpbb\config\config $config phpBB config
31 * @param \phpbb\passwords\driver\helper $helper Password driver helper
32 * @param int $memory_cost Maximum memory (optional)
33 * @param int $threads Number of threads to use (optional)
34 * @param int $time_cost Maximum amount of time (optional)
35 */
36 public function __construct(\phpbb\config\config $config, helper $helper, $memory_cost = 65536, $threads = 2, $time_cost = 4)
37 {
38 parent::__construct($config, $helper);
39
40 /**
41 * For Sodium implementation of argon2 algorithm (since PHP 7.4), set special value of 1 for "threads" cost factor
42 * See https://wiki.php.net/rfc/sodium.argon.hash and PHPBB3-16266
43 * Don't allow cost factors to be below default settings where possible
44 */
45 $this->memory_cost = max($memory_cost, defined('PASSWORD_ARGON2_DEFAULT_MEMORY_COST') ? PASSWORD_ARGON2_DEFAULT_MEMORY_COST : 65536);
46 $this->time_cost = max($time_cost, defined('PASSWORD_ARGON2_DEFAULT_TIME_COST') ? PASSWORD_ARGON2_DEFAULT_TIME_COST : 4);
47 $this->threads = (defined('PASSWORD_ARGON2_PROVIDER') && PASSWORD_ARGON2_PROVIDER == 'sodium') ?
48 1 : max($threads, defined('PASSWORD_ARGON2_DEFAULT_THREADS') ? PASSWORD_ARGON2_DEFAULT_THREADS : 1);
49 }
50
51 /**
52 * {@inheritdoc}
53 */
54 public function get_algo_name()
55 {
56 return 'PASSWORD_ARGON2I';
57 }
58
59 /**
60 * {@inheritdoc}
61 */
62 public function get_options()
63 {
64 return [
65 'memory_cost' => $this->memory_cost,
66 'time_cost' => $this->time_cost,
67 'threads' => $this->threads
68 ];
69 }
70
71 /**
72 * {@inheritdoc}
73 */
74 public function get_prefix()
75 {
76 return '$argon2i$';
77 }
78 }
79