- moved algorithm definitions from payloads to corresponding transforms
[strongswan.git] / Source / charon / transforms / prfs / prf.c
1 /**
2 * @file prf.c
3 *
4 * @brief Generic constructor for all prf_t
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 <transforms/hashers/hasher.h>
27 #include <transforms/prfs/prf_hmac.h>
28
29
30 /**
31 * string mappings for encryption_algorithm_t
32 */
33 mapping_t pseudo_random_function_m[] = {
34 {PRF_UNDEFINED, "PRF_UNDEFINED"},
35 {PRF_HMAC_MD5, "PRF_HMAC_MD5"},
36 {PRF_HMAC_SHA1, "PRF_HMAC_SHA1"},
37 {PRF_HMAC_TIGER, "PRF_HMAC_TIGER"},
38 {PRF_AES128_CBC, "PRF_AES128_CBC"},
39 {MAPPING_END, NULL}
40 };
41
42
43 /*
44 * Described in header
45 */
46 prf_t *prf_create(pseudo_random_function_t pseudo_random_function)
47 {
48 switch (pseudo_random_function)
49 {
50 case PRF_HMAC_SHA1:
51 {
52 return (prf_t*)prf_hmac_create(HASH_SHA1);
53 }
54 case PRF_HMAC_MD5:
55 {
56 return (prf_t*)prf_hmac_create(HASH_MD5);
57 }
58 case PRF_HMAC_TIGER:
59 case PRF_AES128_CBC:
60 default:
61 return NULL;
62 }
63 }
64
65
66
67
68