OSX/libsecurity_cryptkit/lib/ckSHA1_priv.h

   1 /* Copyright (c) 1998,2011,2014 Apple 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, INC. AND THE
   6  * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE,
   7  * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
   8  * EXPOSE YOU TO LIABILITY.
   9  ***************************************************************************
  10  *
  11  * ckSHA1_priv.h - private low-level API for SHA-1 hash algorithm
  12  *
  13  * Revision History
  14  * ----------------
  15  * 22 Aug 96 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 #include "ckconfig.h"
  25
  26 #if     !CRYPTKIT_LIBMD_DIGEST
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 typedef unsigned char   BYTE;
  33 typedef unsigned long   LONG;
  34
  35 /* The SHS block size and message digest sizes, in bytes */
  36
  37 #define SHS_BLOCKSIZE   64
  38 #define SHS_DIGESTSIZE  20
  39
  40 /* The structure for storing SHS info */
  41
  42 typedef struct {
  43                LONG digest[ 5 ];            /* Message digest */
  44                LONG countLo, countHi;       /* 64-bit bit count */
  45                LONG data[ 80 ];             /* SHS data buffer */
  46                } SHS_INFO;
  47
  48 extern void shsInit(SHS_INFO *shsInfo);
  49 extern void shsUpdate(SHS_INFO *shsInfo,
  50         const BYTE *buffer,
  51         int count);
  52 extern void shsFinal(SHS_INFO *shsInfo);
  53
  54 #ifdef __cplusplus
  55 }
  56 #endif
  57
  58 #endif  /* !CRYPTKIT_LIBMD_DIGEST */
  59
  60 #endif  /* _CK_SHA1_PRIV_H_ */