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| 1 | <?php |
| 2 | /** |
| 3 | * Implements the Pbkdf2PasswordUsingHashExtension class for the MediaWiki software. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | */ |
| 22 | |
| 23 | declare( strict_types = 1 ); |
| 24 | |
| 25 | /** |
| 26 | * A PBKDF2-hashed password, using PHP's hash extension |
| 27 | * |
| 28 | * This class exists for compatibility purposes only! Unless an installation's existing |
| 29 | * password hashes were generated using an algorithm not supported by OpenSSL, or the |
| 30 | * OpenSSL PHP extension is unavailable, Pbkdf2PasswordUsingOpenSSL should be used. |
| 31 | * |
| 32 | * @since 1.40 (since 1.29 under the old name) |
| 33 | */ |
| 34 | class Pbkdf2PasswordUsingHashExtension extends AbstractPbkdf2Password { |
| 35 | protected function getDigestAlgo( string $algo ): ?string { |
| 36 | return in_array( $algo, hash_hmac_algos(), true ) ? $algo : null; |
| 37 | } |
| 38 | |
| 39 | protected function pbkdf2( |
| 40 | string $digestAlgo, |
| 41 | string $password, |
| 42 | string $salt, |
| 43 | int $rounds, |
| 44 | int $length |
| 45 | ): string { |
| 46 | $hash = hash_pbkdf2( $digestAlgo, $password, $salt, $rounds, $length, true ); |
| 47 | // Note: this check is unnecessary in PHP 8.0+, since the warning cases |
| 48 | // were all converted to exceptions |
| 49 | '@phan-var string|false $hash'; |
| 50 | if ( !is_string( $hash ) ) { |
| 51 | throw new PasswordError( 'Error when hashing password.' ); |
| 52 | } |
| 53 | return $hash; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | /** @deprecated class alias since 1.40 */ |
| 58 | class_alias( Pbkdf2PasswordUsingHashExtension::class, 'Pbkdf2Password' ); |