hmacmd5.h revision 135446 
1/*
2 * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001  Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18/* $Id: hmacmd5.h,v 1.4.206.1 2004/03/06 08:14:42 marka Exp $ */
19
20/*
21 * This is the header file for the HMAC-MD5 keyed hash algorithm
22 * described in RFC 2104.
23 */
24
25#ifndef ISC_HMACMD5_H
26#define ISC_HMACMD5_H 1
27
28#include <isc/lang.h>
29#include <isc/md5.h>
30#include <isc/types.h>
31
32#define ISC_HMACMD5_KEYLENGTH 64
33
34typedef struct {
35	isc_md5_t md5ctx;
36	unsigned char key[ISC_HMACMD5_KEYLENGTH];
37} isc_hmacmd5_t;
38
39ISC_LANG_BEGINDECLS
40
41void
42isc_hmacmd5_init(isc_hmacmd5_t *ctx, const unsigned char *key,
43		 unsigned int len);
44
45void
46isc_hmacmd5_invalidate(isc_hmacmd5_t *ctx);
47
48void
49isc_hmacmd5_update(isc_hmacmd5_t *ctx, const unsigned char *buf,
50		   unsigned int len);
51
52void
53isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest);
54
55isc_boolean_t
56isc_hmacmd5_verify(isc_hmacmd5_t *ctx, unsigned char *digest);
57
58ISC_LANG_ENDDECLS
59
60#endif /* ISC_HMACMD5_H */
61