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/* --------------------------------- SHS.H ------------------------------- */

/*

 * NIST proposed Secure Hash Standard.

 *

 * Written 2 September 1992, Peter C. Gutmann.

 * This implementation placed in the public domain.

 *

 * Comments to pgut1@cs.aukuni.ac.nz

 */

/* Useful defines/typedefs */

#ifndef SHS_H

#define SHS_H

#include<config.h>

#if HAVE_INTTYPES_H

# include <inttypes.h>

#else

# if HAVE_STDINT_H

#  include <stdint.h>

# else

typedef unsigned int uint8_t __attribute__((mode(QI)));

/* This is a blatant hack: on Solaris 2.5, pthread.h defines uint32_t

   in pthread.h, which we sometimes include.  We protect our

   definition the same way Solaris 2.5 does, to avoid redefining it.  */

#  ifndef _UINT32_T

typedef unsigned int uint32_t __attribute__((mode(SI)));

#  endif

# endif

#endif

/* The SHS block size and message digest sizes, in bytes */

#define SHS_BLOCKSIZE   64

#define SHS_DIGESTSIZE  20

/* The structure for storing SHS info */

typedef struct {

       uint32_t digest [5];    /* Message digest */

       uint32_t countLo, countHi;      /* 64-bit bit count */

       uint32_t data [16];             /* SHS data buffer */

} SHS_INFO;

/* Turn off prototypes if requested */

#if (defined(NOPROTO) && defined(PROTO))

#       undef PROTO

#endif

/* Used to remove arguments in function prototypes for non-ANSI C */

#ifdef PROTO

#       define OF(a) a

#else   /* !PROTO */

#       define OF(a) ()

#endif  /* ?PROTO */

#define local   static

void shsInit OF((SHS_INFO *shsInfo));

void shsUpdate OF((SHS_INFO *shsInfo, uint8_t *buffer, int count));

void shsFinal OF((SHS_INFO *shsInfo));

#endif