AppleCSP/MiscCSPAlgs/SHA1_priv.h

   1 /* Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
   2  *
   3  * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
   4  * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
   5  * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE COMPUTER, INC. AND THE
   6  * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE COMPUTER,
   7  * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
   8  * EXPOSE YOU TO LIABILITY.
   9  ***************************************************************************
  10  *
  11  * SHA1_priv.h - private low-level API for SHA-1 hash algorithm
  12  *
  13  * Revision History
  14  * ----------------
  15  * 22 Aug 96    Doug Mitchell at NeXT
  16  *      Created.
  17  */
  18
  19 /* Useful defines/typedefs */
  20
  21 #ifndef _CK_SHA1_PRIV_H_
  22 #define _CK_SHA1_PRIV_H_
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28 typedef unsigned char   BYTE;
  29 typedef unsigned long   LONG;
  30
  31 /* The SHS block size and message digest sizes, in bytes */
  32
  33 #define SHS_BLOCKSIZE   64
  34 #define SHS_DIGESTSIZE  20
  35
  36 /* The structure for storing SHS info */
  37
  38 typedef struct {
  39                LONG digest[ 5 ];            /* Message digest */
  40                LONG countLo, countHi;       /* 64-bit bit count */
  41                LONG data[ 80 ];             /* SHS data buffer */
  42                } SHS_INFO;
  43
  44 extern void shsInit(SHS_INFO *shsInfo);
  45 extern void shsUpdate(SHS_INFO *shsInfo,
  46         const BYTE *buffer,
  47         int count);
  48 extern void shsFinal(SHS_INFO *shsInfo);
  49
  50 #ifdef __cplusplus
  51 }
  52 #endif
  53
  54 #endif  /* _CK_SHA1_PRIV_H_ */