2 * Copyright (C) 2005-2007 Internet Systems Consortium, Inc. ("ISC")
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.
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.
17 /* $Id: hmacsha.h,v 1.7 2007/06/19 23:47:18 tbox Exp $ */
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.
25 #define ISC_HMACSHA_H 1
30 #include <isc/types.h>
32 #define ISC_HMACSHA1_KEYLENGTH ISC_SHA1_BLOCK_LENGTH
33 #define ISC_HMACSHA224_KEYLENGTH ISC_SHA224_BLOCK_LENGTH
34 #define ISC_HMACSHA256_KEYLENGTH ISC_SHA256_BLOCK_LENGTH
35 #define ISC_HMACSHA384_KEYLENGTH ISC_SHA384_BLOCK_LENGTH
36 #define ISC_HMACSHA512_KEYLENGTH ISC_SHA512_BLOCK_LENGTH
40 unsigned char key[ISC_HMACSHA1_KEYLENGTH];
44 isc_sha224_t sha224ctx;
45 unsigned char key[ISC_HMACSHA224_KEYLENGTH];
49 isc_sha256_t sha256ctx;
50 unsigned char key[ISC_HMACSHA256_KEYLENGTH];
54 isc_sha384_t sha384ctx;
55 unsigned char key[ISC_HMACSHA384_KEYLENGTH];
59 isc_sha512_t sha512ctx;
60 unsigned char key[ISC_HMACSHA512_KEYLENGTH];
66 isc_hmacsha1_init(isc_hmacsha1_t *ctx, const unsigned char *key,
70 isc_hmacsha1_invalidate(isc_hmacsha1_t *ctx);
73 isc_hmacsha1_update(isc_hmacsha1_t *ctx, const unsigned char *buf,
77 isc_hmacsha1_sign(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);
80 isc_hmacsha1_verify(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);
84 isc_hmacsha224_init(isc_hmacsha224_t *ctx, const unsigned char *key,
88 isc_hmacsha224_invalidate(isc_hmacsha224_t *ctx);
91 isc_hmacsha224_update(isc_hmacsha224_t *ctx, const unsigned char *buf,
95 isc_hmacsha224_sign(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);
98 isc_hmacsha224_verify(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);
102 isc_hmacsha256_init(isc_hmacsha256_t *ctx, const unsigned char *key,
106 isc_hmacsha256_invalidate(isc_hmacsha256_t *ctx);
109 isc_hmacsha256_update(isc_hmacsha256_t *ctx, const unsigned char *buf,
113 isc_hmacsha256_sign(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);
116 isc_hmacsha256_verify(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);
120 isc_hmacsha384_init(isc_hmacsha384_t *ctx, const unsigned char *key,
124 isc_hmacsha384_invalidate(isc_hmacsha384_t *ctx);
127 isc_hmacsha384_update(isc_hmacsha384_t *ctx, const unsigned char *buf,
131 isc_hmacsha384_sign(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);
134 isc_hmacsha384_verify(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);
138 isc_hmacsha512_init(isc_hmacsha512_t *ctx, const unsigned char *key,
142 isc_hmacsha512_invalidate(isc_hmacsha512_t *ctx);
145 isc_hmacsha512_update(isc_hmacsha512_t *ctx, const unsigned char *buf,
149 isc_hmacsha512_sign(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);
152 isc_hmacsha512_verify(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);
156 #endif /* ISC_HMACSHA_H */