mingw/include/openssl/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(OPENSSL_SYS_WIN16) || 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 wide
  96                                         * big-endian values. */
  97 # define SHA_LAST_BLOCK  (SHA_CBLOCK-8)
  98 # define SHA_DIGEST_LENGTH 20
  99
 100 typedef struct SHAstate_st {
 101     SHA_LONG h0, h1, h2, h3, h4;
 102     SHA_LONG Nl, Nh;
 103     SHA_LONG data[SHA_LBLOCK];
 104     unsigned int num;
 105 } SHA_CTX;
 106
 107 # ifndef OPENSSL_NO_SHA0
 108 #  ifdef OPENSSL_FIPS
 109 int private_SHA_Init(SHA_CTX *c);
 110 #  endif
 111 int SHA_Init(SHA_CTX *c);
 112 int SHA_Update(SHA_CTX *c, const void *data, size_t len);
 113 int SHA_Final(unsigned char *md, SHA_CTX *c);
 114 unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md);
 115 void SHA_Transform(SHA_CTX *c, const unsigned char *data);
 116 # endif
 117 # ifndef OPENSSL_NO_SHA1
 118 int SHA1_Init(SHA_CTX *c);
 119 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
 120 int SHA1_Final(unsigned char *md, SHA_CTX *c);
 121 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
 122 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
 123 # endif
 124
 125 # define SHA256_CBLOCK   (SHA_LBLOCK*4)/* SHA-256 treats input data as a
 126                                         * contiguous array of 32 bit wide
 127                                         * big-endian values. */
 128 # define SHA224_DIGEST_LENGTH    28
 129 # define SHA256_DIGEST_LENGTH    32
 130
 131 typedef struct SHA256state_st {
 132     SHA_LONG h[8];
 133     SHA_LONG Nl, Nh;
 134     SHA_LONG data[SHA_LBLOCK];
 135     unsigned int num, md_len;
 136 } SHA256_CTX;
 137
 138 # ifndef OPENSSL_NO_SHA256
 139 int SHA224_Init(SHA256_CTX *c);
 140 int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
 141 int SHA224_Final(unsigned char *md, SHA256_CTX *c);
 142 unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md);
 143 int SHA256_Init(SHA256_CTX *c);
 144 int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
 145 int SHA256_Final(unsigned char *md, SHA256_CTX *c);
 146 unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md);
 147 void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
 148 # endif
 149
 150 # define SHA384_DIGEST_LENGTH    48
 151 # define SHA512_DIGEST_LENGTH    64
 152
 153 # ifndef OPENSSL_NO_SHA512
 154 /*
 155  * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
 156  * being exactly 64-bit wide. See Implementation Notes in sha512.c
 157  * for further details.
 158  */
 159 /*
 160  * SHA-512 treats input data as a
 161  * contiguous array of 64 bit
 162  * wide big-endian values.
 163  */
 164 #  define SHA512_CBLOCK   (SHA_LBLOCK*8)
 165 #  if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
 166 #   define SHA_LONG64 unsigned __int64
 167 #   define U64(C)     C##UI64
 168 #  elif defined(__arch64__)
 169 #   define SHA_LONG64 unsigned long
 170 #   define U64(C)     C##UL
 171 #  else
 172 #   define SHA_LONG64 unsigned long long
 173 #   define U64(C)     C##ULL
 174 #  endif
 175
 176 typedef struct SHA512state_st {
 177     SHA_LONG64 h[8];
 178     SHA_LONG64 Nl, Nh;
 179     union {
 180         SHA_LONG64 d[SHA_LBLOCK];
 181         unsigned char p[SHA512_CBLOCK];
 182     } u;
 183     unsigned int num, md_len;
 184 } SHA512_CTX;
 185 # endif
 186
 187 # ifndef OPENSSL_NO_SHA512
 188 int SHA384_Init(SHA512_CTX *c);
 189 int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
 190 int SHA384_Final(unsigned char *md, SHA512_CTX *c);
 191 unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md);
 192 int SHA512_Init(SHA512_CTX *c);
 193 int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
 194 int SHA512_Final(unsigned char *md, SHA512_CTX *c);
 195 unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md);
 196 void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
 197 # endif
 198
 199 #ifdef  __cplusplus
 200 }
 201 #endif
 202
 203 #endif