lib/hcrypto/sha.h

   1 /*
   2  * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /* $Id$ */
  35
  36 #ifndef HEIM_SHA_H
  37 #define HEIM_SHA_H 1
  38
  39 /* symbol renaming */
  40 #define SHA1_Init hc_SHA1_Init
  41 #define SHA1_Update hc_SHA1_Update
  42 #define SHA1_Final hc_SHA1_Final
  43 #define SHA256_Init hc_SHA256_Init
  44 #define SHA256_Update hc_SHA256_Update
  45 #define SHA256_Final hc_SHA256_Final
  46 #define SHA384_Init hc_SHA384_Init
  47 #define SHA384_Update hc_SHA384_Update
  48 #define SHA384_Final hc_SHA384_Final
  49 #define SHA512_Init hc_SHA512_Init
  50 #define SHA512_Update hc_SHA512_Update
  51 #define SHA512_Final hc_SHA512_Final
  52
  53 /*
  54  * SHA-1
  55  */
  56
  57 #define SHA_DIGEST_LENGTH 20
  58
  59 struct sha {
  60   unsigned int sz[2];
  61   uint32_t counter[5];
  62   unsigned char save[64];
  63 };
  64
  65 typedef struct sha SHA_CTX;
  66
  67 int SHA1_Init (struct sha *m);
  68 int SHA1_Update (struct sha *m, const void *v, size_t len);
  69 int SHA1_Final (void *res, struct sha *m);
  70
  71 /*
  72  * SHA-2 256
  73  */
  74
  75 #define SHA256_DIGEST_LENGTH 32
  76
  77 struct hc_sha256state {
  78   unsigned int sz[2];
  79   uint32_t counter[8];
  80   unsigned char save[64];
  81 };
  82
  83 typedef struct hc_sha256state SHA256_CTX;
  84
  85 int SHA256_Init (SHA256_CTX *);
  86 int SHA256_Update (SHA256_CTX *, const void *, size_t);
  87 int SHA256_Final (void *, SHA256_CTX *);
  88
  89 /*
  90  * SHA-2 512
  91  */
  92
  93 #define SHA512_DIGEST_LENGTH 64
  94
  95 struct hc_sha512state {
  96   uint64_t sz[2];
  97   uint64_t counter[8];
  98   unsigned char save[128];
  99 };
 100
 101 typedef struct hc_sha512state SHA512_CTX;
 102
 103 int SHA512_Init (SHA512_CTX *);
 104 int SHA512_Update (SHA512_CTX *, const void *, size_t);
 105 int SHA512_Final (void *, SHA512_CTX *);
 106
 107 #define SHA384_DIGEST_LENGTH 48
 108
 109 typedef struct hc_sha512state SHA384_CTX;
 110
 111 int SHA384_Init (SHA384_CTX *);
 112 int SHA384_Update (SHA384_CTX *, const void *, size_t);
 113 int SHA384_Final (void *, SHA384_CTX *);
 114
 115 #endif /* HEIM_SHA_H */