SecureTransport/privateInc/st_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 #ifndef SHA_H
  20 #define SHA_H
  21
  22 /* NIST Secure Hash Algorithm */
  23 /* heavily modified from Peter C. Gutmann's implementation */
  24
  25 /* Useful defines & typedefs */
  26
  27 /* Possibly an unreasonable assumption, but it works */
  28 #ifdef WIN32
  29 #define LITTLE_ENDIAN  1
  30 #endif
  31
  32 typedef unsigned char BYTE;
  33 typedef unsigned long LONG;
  34
  35 #define SHA_BLOCKSIZE       64
  36 #define SHA_DIGESTSIZE      20
  37
  38 typedef struct {
  39     LONG digest[5];     /* message digest */
  40     LONG count_lo, count_hi;    /* 64-bit bit count */
  41     LONG data[16];      /* SHA data buffer */
  42 } SHA_INFO;
  43
  44 void sha_init(SHA_INFO *);
  45 void sha_update(SHA_INFO *, BYTE *, int);
  46 void sha_final(SHA_INFO *);
  47
  48 void sha_stream(SHA_INFO *, FILE *);
  49 void sha_print(SHA_INFO *);
  50
  51 #define USE_MODIFIED_SHA 1
  52
  53 #endif /* SHA_H */