Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder | |
3 | * Copyright (C) 2004, 2006 Richard Kettlewell | |
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, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
18 | * USA | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include "types.h" | |
23 | ||
24 | #include <stddef.h> | |
25 | #include <gcrypt.h> | |
1c0d78bd | 26 | #include <assert.h> |
460b9539 | 27 | |
28 | #include "hex.h" | |
29 | #include "log.h" | |
30 | #include "authhash.h" | |
31 | ||
32 | #ifndef AUTHHASH | |
33 | # define AUTHHASH GCRY_MD_SHA1 | |
34 | #endif | |
35 | ||
36 | const char *authhash(const void *challenge, size_t nchallenge, | |
37 | const char *password) { | |
38 | gcrypt_hash_handle h; | |
39 | const char *res; | |
1c0d78bd RK |
40 | |
41 | assert(challenge != 0); | |
42 | assert(password != 0); | |
460b9539 | 43 | #if HAVE_GCRY_ERROR_T |
44 | { | |
45 | gcry_error_t e; | |
46 | ||
47 | if((e = gcry_md_open(&h, AUTHHASH, 0))) { | |
48 | error(0, "gcry_md_open: %s", gcry_strerror(e)); | |
49 | return 0; | |
50 | } | |
51 | } | |
52 | #else | |
53 | h = gcry_md_open(AUTHHASH, 0); | |
54 | #endif | |
55 | gcry_md_write(h, password, strlen(password)); | |
56 | gcry_md_write(h, challenge, nchallenge); | |
57 | res = hex(gcry_md_read(h, AUTHHASH), gcry_md_get_algo_dlen(AUTHHASH)); | |
58 | gcry_md_close(h); | |
59 | return res; | |
60 | } | |
61 | ||
62 | /* | |
63 | Local Variables: | |
64 | c-basic-offset:2 | |
65 | comment-column:40 | |
66 | fill-column:79 | |
67 | End: | |
68 | */ |