AppleCSP/open_ssl/openssl/sha.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /* crypto/sha/sha.h */
  20 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  21  * All rights reserved.
  22  *
  23  * This package is an SSL implementation written
  24  * by Eric Young (eay@cryptsoft.com).
  25  * The implementation was written so as to conform with Netscapes SSL.
  26  *
  27  * This library is free for commercial and non-commercial use as long as
  28  * the following conditions are aheared to.  The following conditions
  29  * apply to all code found in this distribution, be it the RC4, RSA,
  30  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  31  * included with this distribution is covered by the same copyright terms
  32  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  33  *
  34  * Copyright remains Eric Young's, and as such any Copyright notices in
  35  * the code are not to be removed.
  36  * If this package is used in a product, Eric Young should be given attribution
  37  * as the author of the parts of the library used.
  38  * This can be in the form of a textual message at program startup or
  39  * in documentation (online or textual) provided with the package.
  40  *
  41  * Redistribution and use in source and binary forms, with or without
  42  * modification, are permitted provided that the following conditions
  43  * are met:
  44  * 1. Redistributions of source code must retain the copyright
  45  *    notice, this list of conditions and the following disclaimer.
  46  * 2. Redistributions in binary form must reproduce the above copyright
  47  *    notice, this list of conditions and the following disclaimer in the
  48  *    documentation and/or other materials provided with the distribution.
  49  * 3. All advertising materials mentioning features or use of this software
  50  *    must display the following acknowledgement:
  51  *    "This product includes cryptographic software written by
  52  *     Eric Young (eay@cryptsoft.com)"
  53  *    The word 'cryptographic' can be left out if the rouines from the library
  54  *    being used are not cryptographic related :-).
  55  * 4. If you include any Windows specific code (or a derivative thereof) from
  56  *    the apps directory (application code) you must include an acknowledgement:
  57  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  58  *
  59  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  69  * SUCH DAMAGE.
  70  *
  71  * The licence and distribution terms for any publically available version or
  72  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  73  * copied and put under another distribution licence
  74  * [including the GNU Public Licence.]
  75  */
  76
  77 #ifndef HEADER_SHA_H
  78 #define HEADER_SHA_H
  79
  80 #ifdef  __cplusplus
  81 extern "C" {
  82 #endif
  83
  84 #if defined(NO_SHA) || (defined(NO_SHA0) && defined(NO_SHA1))
  85 #error SHA is disabled.
  86 #endif
  87
  88 /*
  89  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  90  * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
  91  * ! SHA_LONG_LOG2 has to be defined along.                        !
  92  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  93  */
  94
  95 #if defined(WIN16) || defined(__LP32__)
  96 #define SHA_LONG unsigned long
  97 #elif defined(_CRAY) || defined(__ILP64__)
  98 #define SHA_LONG unsigned long
  99 #define SHA_LONG_LOG2 3
 100 #else
 101 #define SHA_LONG unsigned int
 102 #endif
 103
 104 #define SHA_LBLOCK      16
 105 #define SHA_CBLOCK      (SHA_LBLOCK*4)  /* SHA treats input data as a
 106                                          * contiguous array of 32 bit
 107                                          * wide big-endian values. */
 108 #define SHA_LAST_BLOCK  (SHA_CBLOCK-8)
 109 #define SHA_DIGEST_LENGTH 20
 110
 111 typedef struct SHAstate_st
 112         {
 113         SHA_LONG h0,h1,h2,h3,h4;
 114         SHA_LONG Nl,Nh;
 115         SHA_LONG data[SHA_LBLOCK];
 116         int num;
 117         } SHA_CTX;
 118
 119 #ifndef NO_SHA0
 120 void SHA_Init(SHA_CTX *c);
 121 void SHA_Update(SHA_CTX *c, const void *data, unsigned long len);
 122 void SHA_Final(unsigned char *md, SHA_CTX *c);
 123 unsigned char *SHA(const unsigned char *d, unsigned long n,unsigned char *md);
 124 void SHA_Transform(SHA_CTX *c, const unsigned char *data);
 125 #endif
 126 #ifndef NO_SHA1
 127 void SHA1_Init(SHA_CTX *c);
 128 void SHA1_Update(SHA_CTX *c, const void *data, unsigned long len);
 129 void SHA1_Final(unsigned char *md, SHA_CTX *c);
 130 unsigned char *SHA1(const unsigned char *d, unsigned long n,unsigned char *md);
 131 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
 132 #endif
 133 #ifdef  __cplusplus
 134 }
 135 #endif
 136
 137 #endif