contrib/bind-9.5.2/lib/isc/include/isc/hmacsha.h

   1 /*
   2  * Copyright (C) 2005-2007  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 1.7 2007/06/19 23:47:18 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/sha1.h>
  29 #include <isc/sha2.h>
  30 #include <isc/types.h>
  31
  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
  37
  38 typedef struct {
  39         isc_sha1_t sha1ctx;
  40         unsigned char key[ISC_HMACSHA1_KEYLENGTH];
  41 } isc_hmacsha1_t;
  42
  43 typedef struct {
  44         isc_sha224_t sha224ctx;
  45         unsigned char key[ISC_HMACSHA224_KEYLENGTH];
  46 } isc_hmacsha224_t;
  47
  48 typedef struct {
  49         isc_sha256_t sha256ctx;
  50         unsigned char key[ISC_HMACSHA256_KEYLENGTH];
  51 } isc_hmacsha256_t;
  52
  53 typedef struct {
  54         isc_sha384_t sha384ctx;
  55         unsigned char key[ISC_HMACSHA384_KEYLENGTH];
  56 } isc_hmacsha384_t;
  57
  58 typedef struct {
  59         isc_sha512_t sha512ctx;
  60         unsigned char key[ISC_HMACSHA512_KEYLENGTH];
  61 } isc_hmacsha512_t;
  62
  63 ISC_LANG_BEGINDECLS
  64
  65 void
  66 isc_hmacsha1_init(isc_hmacsha1_t *ctx, const unsigned char *key,
  67                   unsigned int len);
  68
  69 void
  70 isc_hmacsha1_invalidate(isc_hmacsha1_t *ctx);
  71
  72 void
  73 isc_hmacsha1_update(isc_hmacsha1_t *ctx, const unsigned char *buf,
  74                     unsigned int len);
  75
  76 void
  77 isc_hmacsha1_sign(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);
  78
  79 isc_boolean_t
  80 isc_hmacsha1_verify(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);
  81
  82
  83 void
  84 isc_hmacsha224_init(isc_hmacsha224_t *ctx, const unsigned char *key,
  85                     unsigned int len);
  86
  87 void
  88 isc_hmacsha224_invalidate(isc_hmacsha224_t *ctx);
  89
  90 void
  91 isc_hmacsha224_update(isc_hmacsha224_t *ctx, const unsigned char *buf,
  92                       unsigned int len);
  93
  94 void
  95 isc_hmacsha224_sign(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);
  96
  97 isc_boolean_t
  98 isc_hmacsha224_verify(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);
  99
 100
 101 void
 102 isc_hmacsha256_init(isc_hmacsha256_t *ctx, const unsigned char *key,
 103                     unsigned int len);
 104
 105 void
 106 isc_hmacsha256_invalidate(isc_hmacsha256_t *ctx);
 107
 108 void
 109 isc_hmacsha256_update(isc_hmacsha256_t *ctx, const unsigned char *buf,
 110                       unsigned int len);
 111
 112 void
 113 isc_hmacsha256_sign(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);
 114
 115 isc_boolean_t
 116 isc_hmacsha256_verify(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);
 117
 118
 119 void
 120 isc_hmacsha384_init(isc_hmacsha384_t *ctx, const unsigned char *key,
 121                     unsigned int len);
 122
 123 void
 124 isc_hmacsha384_invalidate(isc_hmacsha384_t *ctx);
 125
 126 void
 127 isc_hmacsha384_update(isc_hmacsha384_t *ctx, const unsigned char *buf,
 128                       unsigned int len);
 129
 130 void
 131 isc_hmacsha384_sign(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);
 132
 133 isc_boolean_t
 134 isc_hmacsha384_verify(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);
 135
 136
 137 void
 138 isc_hmacsha512_init(isc_hmacsha512_t *ctx, const unsigned char *key,
 139                     unsigned int len);
 140
 141 void
 142 isc_hmacsha512_invalidate(isc_hmacsha512_t *ctx);
 143
 144 void
 145 isc_hmacsha512_update(isc_hmacsha512_t *ctx, const unsigned char *buf,
 146                       unsigned int len);
 147
 148 void
 149 isc_hmacsha512_sign(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);
 150
 151 isc_boolean_t
 152 isc_hmacsha512_verify(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);
 153
 154 ISC_LANG_ENDDECLS
 155
 156 #endif /* ISC_HMACSHA_H */