Files

64 lines
1.4 KiB
C
Executable File

/*
This program is part of the TACLeBench benchmark suite.
Version V 1.x
Name: sha.h
Author: Peter C. Gutmann's (heavily modified by Uwe Hollerbach)
NIST Secure Hash Algorithm
Source: Peter C. Gutmann's implementation as found in Applied Cryptography by Bruce Schneier
Changes: no major functional changes
License: May be used, modified, and re-distributed freely.
*/
#ifndef SHA_H
#define SHA_H
/* Useful defines & typedefs */
typedef unsigned char BYTE;
typedef unsigned long LONG;
typedef unsigned size_t;
/* Type to use for unaligned operations. */
#define SHA_BLOCKSIZE 64
#define SHA_DIGESTSIZE 20
#define LITTLE_ENDIAN
#define NULL ((void*)0)
extern unsigned volatile char sha_data[ 32743 ];
struct SHA_MY_FILE {
unsigned volatile char *data;
size_t size;
unsigned cur_pos;
};
struct SHA_INFO {
LONG digest[ 5 ]; /* message digest */
LONG count_lo, count_hi; /* 64-bit bit count */
LONG data[ 16 ]; /* SHA data buffer */
};
/*
Forward declaration of functions
*/
void sha_transform( struct SHA_INFO * );
void sha_byte_reverse( LONG *buffer, int count );
void sha_init( void );
size_t sha_fread( void *, size_t, size_t, struct SHA_MY_FILE * );
void sha_update( struct SHA_INFO *, BYTE *, int );
void sha_final( struct SHA_INFO * );
void sha_stream( struct SHA_INFO *, struct SHA_MY_FILE * );
void sha_main( void );
int sha_return ( void );
int main( void );
#endif // SHA_H