apt-pkg/contrib/sha2_internal.h

   1 /*
   2  * FILE:        sha2.h
   3  * AUTHOR:      Aaron D. Gifford - http://www.aarongifford.com/
   4  *
   5  * Copyright (c) 2000-2001, Aaron D. Gifford
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  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  * 3. Neither the name of the copyright holder nor the names of contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
  33  */
  34
  35 #ifndef __SHA2_H__
  36 #define __SHA2_H__
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42
  43 /*
  44  * Import u_intXX_t size_t type definitions from system headers.  You
  45  * may need to change this, or define these things yourself in this
  46  * file.
  47  */
  48 #include <sys/types.h>
  49
  50 #ifdef SHA2_USE_INTTYPES_H
  51
  52 #include <inttypes.h>
  53
  54 #endif /* SHA2_USE_INTTYPES_H */
  55
  56
  57 /*** SHA-256/384/512 Various Length Definitions ***********************/
  58 #define SHA256_BLOCK_LENGTH             64
  59 #define SHA256_DIGEST_LENGTH            32
  60 #define SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
  61 #define SHA384_BLOCK_LENGTH             128
  62 #define SHA384_DIGEST_LENGTH            48
  63 #define SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
  64 #define SHA512_BLOCK_LENGTH             128
  65 #define SHA512_DIGEST_LENGTH            64
  66 #define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
  67
  68
  69 /*** SHA-256/384/512 Context Structures *******************************/
  70 /* NOTE: If your architecture does not define either u_intXX_t types or
  71  * uintXX_t (from inttypes.h), you may need to define things by hand
  72  * for your system:
  73  */
  74 #if 0
  75 typedef unsigned char u_int8_t;         /* 1-byte  (8-bits)  */
  76 typedef unsigned int u_int32_t;         /* 4-bytes (32-bits) */
  77 typedef unsigned long long u_int64_t;   /* 8-bytes (64-bits) */
  78 #endif
  79 /*
  80  * Most BSD systems already define u_intXX_t types, as does Linux.
  81  * Some systems, however, like Compaq's Tru64 Unix instead can use
  82  * uintXX_t types defined by very recent ANSI C standards and included
  83  * in the file:
  84  *
  85  *   #include <inttypes.h>
  86  *
  87  * If you choose to use <inttypes.h> then please define:
  88  *
  89  *   #define SHA2_USE_INTTYPES_H
  90  *
  91  * Or on the command line during compile:
  92  *
  93  *   cc -DSHA2_USE_INTTYPES_H ...
  94  */
  95 #ifdef SHA2_USE_INTTYPES_H
  96
  97 typedef struct _SHA256_CTX {
  98         uint32_t        state[8];
  99         uint64_t        bitcount;
 100         uint8_t buffer[SHA256_BLOCK_LENGTH];
 101 } SHA256_CTX;
 102 typedef struct _SHA512_CTX {
 103         uint64_t        state[8];
 104         uint64_t        bitcount[2];
 105         uint8_t buffer[SHA512_BLOCK_LENGTH];
 106 } SHA512_CTX;
 107
 108 #else /* SHA2_USE_INTTYPES_H */
 109
 110 typedef struct _SHA256_CTX {
 111         u_int32_t       state[8];
 112         u_int64_t       bitcount;
 113         u_int8_t        buffer[SHA256_BLOCK_LENGTH];
 114 } SHA256_CTX;
 115 typedef struct _SHA512_CTX {
 116         u_int64_t       state[8];
 117         u_int64_t       bitcount[2];
 118         u_int8_t        buffer[SHA512_BLOCK_LENGTH];
 119 } SHA512_CTX;
 120
 121 #endif /* SHA2_USE_INTTYPES_H */
 122
 123 typedef SHA512_CTX SHA384_CTX;
 124
 125
 126 /*** SHA-256/384/512 Function Prototypes ******************************/
 127 #ifndef NOPROTO
 128 #ifdef SHA2_USE_INTTYPES_H
 129
 130 void SHA256_Init(SHA256_CTX *);
 131 void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
 132 void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
 133 char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
 134 char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
 135
 136 void SHA384_Init(SHA384_CTX*);
 137 void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
 138 void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
 139 char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
 140 char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
 141
 142 void SHA512_Init(SHA512_CTX*);
 143 void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
 144 void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
 145 char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
 146 char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
 147
 148 #else /* SHA2_USE_INTTYPES_H */
 149
 150 void SHA256_Init(SHA256_CTX *);
 151 void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
 152 void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
 153 char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
 154 char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
 155
 156 void SHA384_Init(SHA384_CTX*);
 157 void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
 158 void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
 159 char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
 160 char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
 161
 162 void SHA512_Init(SHA512_CTX*);
 163 void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
 164 void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
 165 char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
 166 char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
 167
 168 #endif /* SHA2_USE_INTTYPES_H */
 169
 170 #else /* NOPROTO */
 171
 172 void SHA256_Init();
 173 void SHA256_Update();
 174 void SHA256_Final();
 175 char* SHA256_End();
 176 char* SHA256_Data();
 177
 178 void SHA384_Init();
 179 void SHA384_Update();
 180 void SHA384_Final();
 181 char* SHA384_End();
 182 char* SHA384_Data();
 183
 184 void SHA512_Init();
 185 void SHA512_Update();
 186 void SHA512_Final();
 187 char* SHA512_End();
 188 char* SHA512_Data();
 189
 190 #endif /* NOPROTO */
 191
 192 #ifdef  __cplusplus
 193 }
 194 #endif /* __cplusplus */
 195
 196 #endif /* __SHA2_H__ */
 197