- prf_hmac_sha1 is now a generig prf_hmac
[strongswan.git] / Source / charon / transforms / prfs / prf.c
1 /**
2 * @file prf.c
3 *
4 * @brief Generic interface for pseudo-random-functions
5 *
6 */
7
8 /*
9 * Copyright (C) 2005 Jan Hutter, Martin Willi
10 * Hochschule fuer Technik Rapperswil
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 * for more details.
21 */
22
23
24 #include "prf.h"
25
26 #include "prf_hmac.h"
27 #include "../hashers/hasher.h"
28
29
30 /*
31 * Described in header
32 */
33 prf_t *prf_create(pseudo_random_function_t pseudo_random_function)
34 {
35 switch (pseudo_random_function)
36 {
37 case PRF_HMAC_SHA1:
38 {
39 return (prf_t*)prf_hmac_create(HASH_SHA1);
40 }
41 case PRF_HMAC_MD5:
42 {
43 return (prf_t*)prf_hmac_create(HASH_MD5);
44 }
45 case PRF_HMAC_TIGER:
46 case PRF_AES128_CBC:
47 default:
48 return NULL;
49 }
50 }
51
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55