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 /*
  39  * Import u_intXX_t size_t type definitions from system headers.  You
  40  * may need to change this, or define these things yourself in this
  41  * file.
  42  */
  43 #include <sys/types.h>
  44
  45 #ifdef SHA2_USE_INTTYPES_H
  46
  47 #include <stddef.h>
  48 #include <inttypes.h>
  49
  50 #endif /* SHA2_USE_INTTYPES_H */
  51
  52
  53 /*** SHA-256/384/512 Various Length Definitions ***********************/
  54 #define SHA256_BLOCK_LENGTH             64
  55 #define SHA256_DIGEST_LENGTH            32
  56 #define SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
  57 #define SHA384_BLOCK_LENGTH             128
  58 #define SHA384_DIGEST_LENGTH            48
  59 #define SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
  60 #define SHA512_BLOCK_LENGTH             128
  61 #define SHA512_DIGEST_LENGTH            64
  62 #define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
  63
  64
  65 /*** SHA-256/384/512 Context Structures *******************************/
  66 /* NOTE: If your architecture does not define either u_intXX_t types or
  67  * uintXX_t (from inttypes.h), you may need to define things by hand
  68  * for your system:
  69  */
  70 #if 0
  71 typedef unsigned char u_int8_t;         /* 1-byte  (8-bits)  */
  72 typedef unsigned int u_int32_t;         /* 4-bytes (32-bits) */
  73 typedef unsigned long long u_int64_t;   /* 8-bytes (64-bits) */
  74 #endif
  75 /*
  76  * Most BSD systems already define u_intXX_t types, as does Linux.
  77  * Some systems, however, like Compaq's Tru64 Unix instead can use
  78  * uintXX_t types defined by very recent ANSI C standards and included
  79  * in the file:
  80  *
  81  *   #include <inttypes.h>
  82  *
  83  * If you choose to use <inttypes.h> then please define:
  84  *
  85  *   #define SHA2_USE_INTTYPES_H
  86  *
  87  * Or on the command line during compile:
  88  *
  89  *   cc -DSHA2_USE_INTTYPES_H ...
  90  */
  91 #ifdef SHA2_USE_INTTYPES_H
  92
  93 typedef struct _SHA256_CTX {
  94         uint32_t        state[8];
  95         uint64_t        bitcount;
  96         uint8_t buffer[SHA256_BLOCK_LENGTH];
  97 } SHA256_CTX;
  98 typedef struct _SHA512_CTX {
  99         uint64_t        state[8];
 100         uint64_t        bitcount[2];
 101         uint8_t buffer[SHA512_BLOCK_LENGTH];
 102 } SHA512_CTX;
 103
 104 #else /* SHA2_USE_INTTYPES_H */
 105
 106 typedef struct _SHA256_CTX {
 107         u_int32_t       state[8];
 108         u_int64_t       bitcount;
 109         u_int8_t        buffer[SHA256_BLOCK_LENGTH];
 110 } SHA256_CTX;
 111 typedef struct _SHA512_CTX {
 112         u_int64_t       state[8];
 113         u_int64_t       bitcount[2];
 114         u_int8_t        buffer[SHA512_BLOCK_LENGTH];
 115 } SHA512_CTX;
 116
 117 #endif /* SHA2_USE_INTTYPES_H */
 118
 119 typedef SHA512_CTX SHA384_CTX;
 120
 121
 122 /*** SHA-256/384/512 Function Prototypes ******************************/
 123 #ifndef NOPROTO
 124 #ifdef SHA2_USE_INTTYPES_H
 125
 126 void SHA256_Init(SHA256_CTX *);
 127 void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
 128 void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
 129 char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
 130 char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
 131
 132 void SHA384_Init(SHA384_CTX*);
 133 void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
 134 void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
 135 char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
 136 char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
 137
 138 void SHA512_Init(SHA512_CTX*);
 139 void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
 140 void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
 141 char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
 142 char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
 143
 144 #else /* SHA2_USE_INTTYPES_H */
 145
 146 void SHA256_Init(SHA256_CTX *);
 147 void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
 148 void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
 149 char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
 150 char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
 151
 152 void SHA384_Init(SHA384_CTX*);
 153 void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
 154 void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
 155 char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
 156 char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
 157
 158 void SHA512_Init(SHA512_CTX*);
 159 void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
 160 void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
 161 char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
 162 char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
 163
 164 #endif /* SHA2_USE_INTTYPES_H */
 165
 166 #else /* NOPROTO */
 167
 168 void SHA256_Init();
 169 void SHA256_Update();
 170 void SHA256_Final();
 171 char* SHA256_End();
 172 char* SHA256_Data();
 173
 174 void SHA384_Init();
 175 void SHA384_Update();
 176 void SHA384_Final();
 177 char* SHA384_End();
 178 char* SHA384_Data();
 179
 180 void SHA512_Init();
 181 void SHA512_Update();
 182 void SHA512_Final();
 183 char* SHA512_End();
 184 char* SHA512_Data();
 185
 186 #endif /* NOPROTO */
 187
 188 #endif /* __SHA2_H__ */
 189