1/*
2 * Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
15 */
16
17/* $Id: hmacsha.h,v 1.9 2009/02/06 23:47:42 tbox Exp $ */
18
19/*! \file isc/hmacsha.h
20 * This is the header file for the HMAC-SHA1, HMAC-SHA224, HMAC-SHA256,
21 * HMAC-SHA334 and HMAC-SHA512 hash algorithm described in RFC 2104.
22 */
23
24#ifndef ISC_HMACSHA_H
25#define ISC_HMACSHA_H 1
26
27#include <isc/lang.h>
28#include <isc/platform.h>
29#include <isc/sha1.h>
30#include <isc/sha2.h>
31#include <isc/types.h>
32
33#define ISC_HMACSHA1_KEYLENGTH ISC_SHA1_BLOCK_LENGTH
34#define ISC_HMACSHA224_KEYLENGTH ISC_SHA224_BLOCK_LENGTH
35#define ISC_HMACSHA256_KEYLENGTH ISC_SHA256_BLOCK_LENGTH
36#define ISC_HMACSHA384_KEYLENGTH ISC_SHA384_BLOCK_LENGTH
37#define ISC_HMACSHA512_KEYLENGTH ISC_SHA512_BLOCK_LENGTH
38
39#ifdef ISC_PLATFORM_OPENSSLHASH
40#include <openssl/hmac.h>
41
42typedef HMAC_CTX isc_hmacsha1_t;
43typedef HMAC_CTX isc_hmacsha224_t;
44typedef HMAC_CTX isc_hmacsha256_t;
45typedef HMAC_CTX isc_hmacsha384_t;
46typedef HMAC_CTX isc_hmacsha512_t;
47
48#else
49
50typedef struct {
51	isc_sha1_t sha1ctx;
52	unsigned char key[ISC_HMACSHA1_KEYLENGTH];
53} isc_hmacsha1_t;
54
55typedef struct {
56	isc_sha224_t sha224ctx;
57	unsigned char key[ISC_HMACSHA224_KEYLENGTH];
58} isc_hmacsha224_t;
59
60typedef struct {
61	isc_sha256_t sha256ctx;
62	unsigned char key[ISC_HMACSHA256_KEYLENGTH];
63} isc_hmacsha256_t;
64
65typedef struct {
66	isc_sha384_t sha384ctx;
67	unsigned char key[ISC_HMACSHA384_KEYLENGTH];
68} isc_hmacsha384_t;
69
70typedef struct {
71	isc_sha512_t sha512ctx;
72	unsigned char key[ISC_HMACSHA512_KEYLENGTH];
73} isc_hmacsha512_t;
74#endif
75
76ISC_LANG_BEGINDECLS
77
78void
79isc_hmacsha1_init(isc_hmacsha1_t *ctx, const unsigned char *key,
80		  unsigned int len);
81
82void
83isc_hmacsha1_invalidate(isc_hmacsha1_t *ctx);
84
85void
86isc_hmacsha1_update(isc_hmacsha1_t *ctx, const unsigned char *buf,
87		    unsigned int len);
88
89void
90isc_hmacsha1_sign(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);
91
92isc_boolean_t
93isc_hmacsha1_verify(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);
94
95
96void
97isc_hmacsha224_init(isc_hmacsha224_t *ctx, const unsigned char *key,
98		    unsigned int len);
99
100void
101isc_hmacsha224_invalidate(isc_hmacsha224_t *ctx);
102
103void
104isc_hmacsha224_update(isc_hmacsha224_t *ctx, const unsigned char *buf,
105		      unsigned int len);
106
107void
108isc_hmacsha224_sign(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);
109
110isc_boolean_t
111isc_hmacsha224_verify(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);
112
113
114void
115isc_hmacsha256_init(isc_hmacsha256_t *ctx, const unsigned char *key,
116		    unsigned int len);
117
118void
119isc_hmacsha256_invalidate(isc_hmacsha256_t *ctx);
120
121void
122isc_hmacsha256_update(isc_hmacsha256_t *ctx, const unsigned char *buf,
123		      unsigned int len);
124
125void
126isc_hmacsha256_sign(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);
127
128isc_boolean_t
129isc_hmacsha256_verify(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);
130
131
132void
133isc_hmacsha384_init(isc_hmacsha384_t *ctx, const unsigned char *key,
134		    unsigned int len);
135
136void
137isc_hmacsha384_invalidate(isc_hmacsha384_t *ctx);
138
139void
140isc_hmacsha384_update(isc_hmacsha384_t *ctx, const unsigned char *buf,
141		      unsigned int len);
142
143void
144isc_hmacsha384_sign(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);
145
146isc_boolean_t
147isc_hmacsha384_verify(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);
148
149
150void
151isc_hmacsha512_init(isc_hmacsha512_t *ctx, const unsigned char *key,
152		    unsigned int len);
153
154void
155isc_hmacsha512_invalidate(isc_hmacsha512_t *ctx);
156
157void
158isc_hmacsha512_update(isc_hmacsha512_t *ctx, const unsigned char *buf,
159		      unsigned int len);
160
161void
162isc_hmacsha512_sign(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);
163
164isc_boolean_t
165isc_hmacsha512_verify(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);
166
167ISC_LANG_ENDDECLS
168
169#endif /* ISC_HMACSHA_H */
170