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90320ba2 | 1 | /* pbkdf2-hmac-sha1.c |
90112edb NM |
2 | |
3 | PKCS #5 PBKDF2 used with HMAC-SHA1, see RFC 2898. | |
4 | ||
5 | Copyright (C) 2012 Simon Josefsson | |
6 | ||
7 | This file is part of GNU Nettle. | |
8 | ||
9 | GNU Nettle is free software: you can redistribute it and/or | |
10 | modify it under the terms of either: | |
11 | ||
12 | * the GNU Lesser General Public License as published by the Free | |
13 | Software Foundation; either version 3 of the License, or (at your | |
14 | option) any later version. | |
15 | ||
16 | or | |
17 | ||
18 | * the GNU General Public License as published by the Free | |
19 | Software Foundation; either version 2 of the License, or (at your | |
20 | option) any later version. | |
21 | ||
22 | or both in parallel, as here. | |
23 | ||
24 | GNU Nettle is distributed in the hope that it will be useful, | |
25 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 | General Public License for more details. | |
28 | ||
29 | You should have received copies of the GNU General Public License and | |
30 | the GNU Lesser General Public License along with this program. If | |
31 | not, see http://www.gnu.org/licenses/. | |
32 | */ | |
90320ba2 SJ |
33 | |
34 | #if HAVE_CONFIG_H | |
35 | # include "config.h" | |
36 | #endif | |
37 | ||
38 | #include "pbkdf2.h" | |
39 | ||
40 | #include "hmac.h" | |
41 | ||
42 | void | |
95ce5d75 | 43 | pbkdf2_hmac_sha1 (size_t key_length, const uint8_t *key, |
90320ba2 | 44 | unsigned iterations, |
95ce5d75 NM |
45 | size_t salt_length, const uint8_t *salt, |
46 | size_t length, uint8_t *dst) | |
90320ba2 SJ |
47 | { |
48 | struct hmac_sha1_ctx sha1ctx; | |
49 | ||
50 | hmac_sha1_set_key (&sha1ctx, key_length, key); | |
51 | PBKDF2 (&sha1ctx, hmac_sha1_update, hmac_sha1_digest, | |
52 | SHA1_DIGEST_SIZE, iterations, salt_length, salt, length, dst); | |
53 | } |