1/*	$NetBSD: hmacmd5.h,v 1.6 2020/05/25 20:47:21 christos Exp $	*/
2
3/*
4 * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 2000, 2001  Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20/* Id: hmacmd5.h,v 1.14 2009/02/06 23:47:42 tbox Exp  */
21
22/*! \file isc/hmacmd5.h
23 * \brief This is the header file for the HMAC-MD5 keyed hash algorithm
24 * described in RFC2104.
25 */
26
27#ifndef ISC_HMACMD5_H
28#define ISC_HMACMD5_H 1
29
30#include <isc/lang.h>
31#include <isc/md5.h>
32#include <isc/platform.h>
33#include <isc/types.h>
34
35#define ISC_HMACMD5_KEYLENGTH 64
36
37#ifdef ISC_PLATFORM_OPENSSLHASH
38#include <openssl/hmac.h>
39
40typedef HMAC_CTX isc_hmacmd5_t;
41
42#else
43
44typedef struct {
45	isc_md5_t md5ctx;
46	unsigned char key[ISC_HMACMD5_KEYLENGTH];
47} isc_hmacmd5_t;
48#endif
49
50ISC_LANG_BEGINDECLS
51
52void
53isc_hmacmd5_init(isc_hmacmd5_t *ctx, const unsigned char *key,
54		 unsigned int len);
55
56void
57isc_hmacmd5_invalidate(isc_hmacmd5_t *ctx);
58
59void
60isc_hmacmd5_update(isc_hmacmd5_t *ctx, const unsigned char *buf,
61		   unsigned int len);
62
63void
64isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest);
65
66isc_boolean_t
67isc_hmacmd5_verify(isc_hmacmd5_t *ctx, unsigned char *digest);
68
69isc_boolean_t
70isc_hmacmd5_verify2(isc_hmacmd5_t *ctx, unsigned char *digest, size_t len);
71
72ISC_LANG_ENDDECLS
73
74#endif /* ISC_HMACMD5_H */
75