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