drivers/random/sha2.h

   1 /*      $FreeBSD: src/sys/crypto/sha2/sha2.h,v 1.1.2.1 2001/07/03 11:01:36 ume Exp $    */
   2 /*      $KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $    */
   3
   4 /*
   5  * sha2.h
   6  *
   7  * Version 1.0.0beta1
   8  *
   9  * Written by Aaron D. Gifford <me@aarongifford.com>
  10  *
  11  * Copyright 2000 Aaron D. Gifford.  All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. Neither the name of the copyright holder nor the names of contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  *
  37  */
  38
  39 #ifndef __SHA2_H__
  40 #define __SHA2_H__
  41
  42 #ifdef __cplusplus
  43 extern "C" {
  44 #endif
  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 #ifdef __minix
  58 #include <assert.h>
  59 #include <string.h>
  60 #include <sys/types.h>
  61 #include <minix/u64.h>
  62
  63 typedef u8_t u_int8_t;  /* 1-byte  (8-bits)  */
  64 typedef u32_t u_int32_t;        /* 4-bytes (32-bits) */
  65 typedef u64_t u_int64_t;        /* 8-bytes (64-bits) */
  66
  67 #ifndef __P
  68 #define __P(x) x
  69 #endif
  70
  71 #define NO_64BIT        1
  72 #define MINIX_64BIT     1
  73
  74 #define SHA2_BYTE_ORDER         0x04030201
  75 #define SHA2_LITTLE_ENDIAN      0x04030201
  76 #define SHA2_BIG_ENDIAN         0x01020204
  77 #define bcopy(s,d,l)    (memmove((d),(s),(l)))
  78 #define bzero(d,l)      (memset((d),'\0',(l)))
  79 #endif
  80
  81 /*** SHA-256/384/512 Context Structures *******************************/
  82 /* NOTE: If your architecture does not define either u_intXX_t types or
  83  * uintXX_t (from inttypes.h), you may need to define things by hand
  84  * for your system:
  85  */
  86 #if 0
  87 typedef unsigned char u_int8_t;         /* 1-byte  (8-bits)  */
  88 typedef unsigned int u_int32_t;         /* 4-bytes (32-bits) */
  89 typedef unsigned long long u_int64_t;   /* 8-bytes (64-bits) */
  90 #endif
  91 /*
  92  * Most BSD systems already define u_intXX_t types, as does Linux.
  93  * Some systems, however, like Compaq's Tru64 Unix instead can use
  94  * uintXX_t types defined by very recent ANSI C standards and included
  95  * in the file:
  96  *
  97  *   #include <inttypes.h>
  98  *
  99  * If you choose to use <inttypes.h> then please define:
 100  *
 101  *   #define SHA2_USE_INTTYPES_H
 102  *
 103  * Or on the command line during compile:
 104  *
 105  *   cc -DSHA2_USE_INTTYPES_H ...
 106  */
 107 #if 0 /*def SHA2_USE_INTTYPES_H*/
 108
 109 typedef struct _SHA256_CTX {
 110         uint32_t        state[8];
 111         uint64_t        bitcount;
 112         uint8_t buffer[SHA256_BLOCK_LENGTH];
 113 } SHA256_CTX;
 114 typedef struct _SHA512_CTX {
 115         uint64_t        state[8];
 116         uint64_t        bitcount[2];
 117         uint8_t buffer[SHA512_BLOCK_LENGTH];
 118 } SHA512_CTX;
 119
 120 #else /* SHA2_USE_INTTYPES_H */
 121
 122 typedef struct _SHA256_CTX {
 123         u_int32_t       state[8];
 124         u_int64_t       bitcount;
 125         u_int8_t        buffer[SHA256_BLOCK_LENGTH];
 126 } SHA256_CTX;
 127 typedef struct _SHA512_CTX {
 128         u_int64_t       state[8];
 129         u_int64_t       bitcount[2];
 130         u_int8_t        buffer[SHA512_BLOCK_LENGTH];
 131 } SHA512_CTX;
 132
 133 #endif /* SHA2_USE_INTTYPES_H */
 134
 135 typedef SHA512_CTX SHA384_CTX;
 136
 137 /*** SHA-256/384/512 Function Prototypes ******************************/
 138
 139 void SHA256_Init __P((SHA256_CTX *));
 140 void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t));
 141 void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*));
 142 char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]));
 143 char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));
 144
 145 void SHA384_Init __P((SHA384_CTX*));
 146 void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t));
 147 void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));
 148 char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));
 149 char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));
 150
 151 void SHA512_Init __P((SHA512_CTX*));
 152 void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));
 153 void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
 154 char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
 155 char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
 156
 157 #ifdef  __cplusplus
 158 }
 159 #endif /* __cplusplus */
 160
 161 #endif /* __SHA2_H__ */
 162
 163 /*
 164  * $PchId: sha2.h,v 1.1 2005/06/28 14:29:33 philip Exp $
 165  */