release/src/router/openssl/crypto/sha/sha.h

   1 /* crypto/sha/sha.h */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #ifndef HEADER_SHA_H
  60 #define HEADER_SHA_H
  61
  62 #include <openssl/e_os2.h>
  63 #include <stddef.h>
  64
  65 #ifdef  __cplusplus
  66 extern "C" {
  67 #endif
  68
  69 #if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1))
  70 #error SHA is disabled.
  71 #endif
  72
  73 #if defined(OPENSSL_FIPS)
  74 #define FIPS_SHA_SIZE_T size_t
  75 #endif
  76
  77 /*
  78  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  79  * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
  80  * ! SHA_LONG_LOG2 has to be defined along.                        !
  81  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  82  */
  83
  84 #if defined(__LP32__)
  85 #define SHA_LONG unsigned long
  86 #elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
  87 #define SHA_LONG unsigned long
  88 #define SHA_LONG_LOG2 3
  89 #else
  90 #define SHA_LONG unsigned int
  91 #endif
  92
  93 #define SHA_LBLOCK      16
  94 #define SHA_CBLOCK      (SHA_LBLOCK*4)  /* SHA treats input data as a
  95                                          * contiguous array of 32 bit
  96                                          * wide big-endian values. */
  97 #define SHA_LAST_BLOCK  (SHA_CBLOCK-8)
  98 #define SHA_DIGEST_LENGTH 20
  99
 100 typedef struct SHAstate_st
 101         {
 102         SHA_LONG h0,h1,h2,h3,h4;
 103         SHA_LONG Nl,Nh;
 104         SHA_LONG data[SHA_LBLOCK];
 105         unsigned int num;
 106         } SHA_CTX;
 107
 108 #ifndef OPENSSL_NO_SHA0
 109 #ifdef OPENSSL_FIPS
 110 int private_SHA_Init(SHA_CTX *c);
 111 #endif
 112 int SHA_Init(SHA_CTX *c);
 113 int SHA_Update(SHA_CTX *c, const void *data, size_t len);
 114 int SHA_Final(unsigned char *md, SHA_CTX *c);
 115 unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md);
 116 void SHA_Transform(SHA_CTX *c, const unsigned char *data);
 117 #endif
 118 #ifndef OPENSSL_NO_SHA1
 119 #ifdef OPENSSL_FIPS
 120 int private_SHA1_Init(SHA_CTX *c);
 121 #endif
 122 int SHA1_Init(SHA_CTX *c);
 123 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
 124 int SHA1_Final(unsigned char *md, SHA_CTX *c);
 125 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
 126 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
 127 #endif
 128
 129 #define SHA256_CBLOCK   (SHA_LBLOCK*4)  /* SHA-256 treats input data as a
 130                                          * contiguous array of 32 bit
 131                                          * wide big-endian values. */
 132 #define SHA224_DIGEST_LENGTH    28
 133 #define SHA256_DIGEST_LENGTH    32
 134
 135 typedef struct SHA256state_st
 136         {
 137         SHA_LONG h[8];
 138         SHA_LONG Nl,Nh;
 139         SHA_LONG data[SHA_LBLOCK];
 140         unsigned int num,md_len;
 141         } SHA256_CTX;
 142
 143 #ifndef OPENSSL_NO_SHA256
 144 #ifdef OPENSSL_FIPS
 145 int private_SHA224_Init(SHA256_CTX *c);
 146 int private_SHA256_Init(SHA256_CTX *c);
 147 #endif
 148 int SHA224_Init(SHA256_CTX *c);
 149 int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
 150 int SHA224_Final(unsigned char *md, SHA256_CTX *c);
 151 unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md);
 152 int SHA256_Init(SHA256_CTX *c);
 153 int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
 154 int SHA256_Final(unsigned char *md, SHA256_CTX *c);
 155 unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md);
 156 void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
 157 #endif
 158
 159 #define SHA384_DIGEST_LENGTH    48
 160 #define SHA512_DIGEST_LENGTH    64
 161
 162 #ifndef OPENSSL_NO_SHA512
 163 /*
 164  * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
 165  * being exactly 64-bit wide. See Implementation Notes in sha512.c
 166  * for further details.
 167  */
 168 #define SHA512_CBLOCK   (SHA_LBLOCK*8)  /* SHA-512 treats input data as a
 169                                          * contiguous array of 64 bit
 170                                          * wide big-endian values. */
 171 #if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
 172 #define SHA_LONG64 unsigned __int64
 173 #define U64(C)     C##UI64
 174 #elif defined(__arch64__)
 175 #define SHA_LONG64 unsigned long
 176 #define U64(C)     C##UL
 177 #else
 178 #define SHA_LONG64 unsigned long long
 179 #define U64(C)     C##ULL
 180 #endif
 181
 182 typedef struct SHA512state_st
 183         {
 184         SHA_LONG64 h[8];
 185         SHA_LONG64 Nl,Nh;
 186         union {
 187                 SHA_LONG64      d[SHA_LBLOCK];
 188                 unsigned char   p[SHA512_CBLOCK];
 189         } u;
 190         unsigned int num,md_len;
 191         } SHA512_CTX;
 192 #endif
 193
 194 #ifndef OPENSSL_NO_SHA512
 195 #ifdef OPENSSL_FIPS
 196 int private_SHA384_Init(SHA512_CTX *c);
 197 int private_SHA512_Init(SHA512_CTX *c);
 198 #endif
 199 int SHA384_Init(SHA512_CTX *c);
 200 int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
 201 int SHA384_Final(unsigned char *md, SHA512_CTX *c);
 202 unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md);
 203 int SHA512_Init(SHA512_CTX *c);
 204 int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
 205 int SHA512_Final(unsigned char *md, SHA512_CTX *c);
 206 unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md);
 207 void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
 208 #endif
 209
 210 #ifdef  __cplusplus
 211 }
 212 #endif
 213
 214 #endif