diff options
Diffstat (limited to 'src/daemon/https/lgl/hmac-md5.c')
-rw-r--r-- | src/daemon/https/lgl/hmac-md5.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/daemon/https/lgl/hmac-md5.c b/src/daemon/https/lgl/hmac-md5.c deleted file mode 100644 index 1fd943f0..00000000 --- a/src/daemon/https/lgl/hmac-md5.c +++ /dev/null | |||
@@ -1,81 +0,0 @@ | |||
1 | /* hmac-md5.c -- hashed message authentication codes | ||
2 | Copyright (C) 2005, 2006 Free Software Foundation, Inc. | ||
3 | |||
4 | This program is free software; you can redistribute it and/or modify | ||
5 | it under the terms of the GNU Lesser General Public License as published by | ||
6 | the Free Software Foundation; either version 2.1, or (at your option) | ||
7 | any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU Lesser General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU Lesser General Public License | ||
15 | along with this program; if not, write to the Free Software Foundation, | ||
16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
17 | |||
18 | /* Written by Simon Josefsson. */ | ||
19 | |||
20 | #include "MHD_config.h" | ||
21 | |||
22 | #include "hmac.h" | ||
23 | |||
24 | #include "memxor.h" | ||
25 | #include "md5.h" | ||
26 | |||
27 | #include <string.h> | ||
28 | |||
29 | #define IPAD 0x36 | ||
30 | #define OPAD 0x5c | ||
31 | |||
32 | int | ||
33 | MHD_hmac_md5 (const void *key, size_t keylen, | ||
34 | const void *in, size_t inlen, void *resbuf) | ||
35 | { | ||
36 | struct MHD_md5_ctx inner; | ||
37 | struct MHD_md5_ctx outer; | ||
38 | char optkeybuf[16]; | ||
39 | char block[64]; | ||
40 | char innerhash[16]; | ||
41 | |||
42 | /* Reduce the key's size, so that it becomes <= 64 bytes large. */ | ||
43 | |||
44 | if (keylen > 64) | ||
45 | { | ||
46 | struct MHD_md5_ctx keyhash; | ||
47 | |||
48 | MHD_md5_init_ctx (&keyhash); | ||
49 | MHD_md5_process_bytes (key, keylen, &keyhash); | ||
50 | MHD_md5_finish_ctx (&keyhash, optkeybuf); | ||
51 | |||
52 | key = optkeybuf; | ||
53 | keylen = 16; | ||
54 | } | ||
55 | |||
56 | /* Compute INNERHASH from KEY and IN. */ | ||
57 | |||
58 | MHD_md5_init_ctx (&inner); | ||
59 | |||
60 | memset (block, IPAD, sizeof (block)); | ||
61 | MHD_memxor (block, key, keylen); | ||
62 | |||
63 | MHD_md5_process_block (block, 64, &inner); | ||
64 | MHD_md5_process_bytes (in, inlen, &inner); | ||
65 | |||
66 | MHD_md5_finish_ctx (&inner, innerhash); | ||
67 | |||
68 | /* Compute result from KEY and INNERHASH. */ | ||
69 | |||
70 | MHD_md5_init_ctx (&outer); | ||
71 | |||
72 | memset (block, OPAD, sizeof (block)); | ||
73 | MHD_memxor (block, key, keylen); | ||
74 | |||
75 | MHD_md5_process_block (block, 64, &outer); | ||
76 | MHD_md5_process_bytes (innerhash, 16, &outer); | ||
77 | |||
78 | MHD_md5_finish_ctx (&outer, resbuf); | ||
79 | |||
80 | return 0; | ||
81 | } | ||