eaytest.tproj/sha2.h

   1 /*      $KAME: sha2.h,v 1.1.1.1 2001/08/08 09:56:28 sakane Exp $        */
   2
   3 /*
   4  * sha2.h
   5  *
   6  * Version 1.0.0beta1
   7  *
   8  * Written by Aaron D. Gifford <me@aarongifford.com>
   9  *
  10  * Copyright 2000 Aaron D. Gifford.  All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of the copyright holder nor the names of contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  */
  37
  38 #ifndef __SHA2_H__
  39 #define __SHA2_H__
  40
  41 #ifdef __cplusplus
  42 extern "C" {
  43 #endif
  44
  45
  46 /*** SHA-256/384/512 Various Length Definitions ***********************/
  47 #define SHA256_BLOCK_LENGTH             64
  48 #define SHA256_DIGEST_LENGTH            32
  49 #define SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
  50 #define SHA384_BLOCK_LENGTH             128
  51 #define SHA384_DIGEST_LENGTH            48
  52 #define SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
  53 #define SHA512_BLOCK_LENGTH             128
  54 #define SHA512_DIGEST_LENGTH            64
  55 #define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
  56
  57
  58 /*** SHA-256/384/512 Context Structures *******************************/
  59 /* NOTE: If your architecture does not define either u_intXX_t types or
  60  * uintXX_t (from inttypes.h), you may need to define things by hand
  61  * for your system:
  62  */
  63 #if 0
  64 typedef unsigned char u_int8_t;         /* 1-byte  (8-bits)  */
  65 typedef unsigned int u_int32_t;         /* 4-bytes (32-bits) */
  66 typedef unsigned long long u_int64_t;   /* 8-bytes (64-bits) */
  67 #endif
  68 /*
  69  * Most BSD systems already define u_intXX_t types, as does Linux.
  70  * Some systems, however, like Compaq's Tru64 Unix instead can use
  71  * uintXX_t types defined by very recent ANSI C standards and included
  72  * in the file:
  73  *
  74  *   #include <inttypes.h>
  75  *
  76  * If you choose to use <inttypes.h> then please define:
  77  *
  78  *   #define SHA2_USE_INTTYPES_H
  79  *
  80  * Or on the command line during compile:
  81  *
  82  *   cc -DSHA2_USE_INTTYPES_H ...
  83  */
  84 #if 0 /*def SHA2_USE_INTTYPES_H*/
  85
  86 typedef struct _SHA256_CTX {
  87         uint32_t        state[8];
  88         uint64_t        bitcount;
  89         uint8_t buffer[SHA256_BLOCK_LENGTH];
  90 } SHA256_CTX;
  91 typedef struct _SHA512_CTX {
  92         uint64_t        state[8];
  93         uint64_t        bitcount[2];
  94         uint8_t buffer[SHA512_BLOCK_LENGTH];
  95 } SHA512_CTX;
  96
  97 #else /* SHA2_USE_INTTYPES_H */
  98
  99 typedef struct _SHA256_CTX {
 100         u_int32_t       state[8];
 101         u_int64_t       bitcount;
 102         u_int8_t        buffer[SHA256_BLOCK_LENGTH];
 103 } SHA256_CTX;
 104 typedef struct _SHA512_CTX {
 105         u_int64_t       state[8];
 106         u_int64_t       bitcount[2];
 107         u_int8_t        buffer[SHA512_BLOCK_LENGTH];
 108 } SHA512_CTX;
 109
 110 #endif /* SHA2_USE_INTTYPES_H */
 111
 112 typedef SHA512_CTX SHA384_CTX;
 113
 114
 115 /*** SHA-256/384/512 Function Prototypes ******************************/
 116
 117 void SHA256_Init __P((SHA256_CTX *));
 118 void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t));
 119 void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*));
 120 char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]));
 121 char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));
 122
 123 void SHA384_Init __P((SHA384_CTX*));
 124 void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t));
 125 void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));
 126 char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));
 127 char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));
 128
 129 void SHA512_Init __P((SHA512_CTX*));
 130 void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));
 131 void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
 132 char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
 133 char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
 134
 135 struct env_md_st *EVP_sha2_256 __P((void));
 136 struct env_md_st *EVP_sha2_384 __P((void));
 137 struct env_md_st *EVP_sha2_512 __P((void));
 138
 139 #ifdef  __cplusplus
 140 }
 141 #endif /* __cplusplus */
 142
 143 #endif /* __SHA2_H__ */
 144