sha1.h

Go to the documentation of this file.

/*      $NetBSD: sha1.h,v 1.2 1998/05/29 22:55:44 thorpej Exp $ */
/*      $RoughId: sha1.h,v 1.3 2002/02/24 08:14:32 knu Exp $    */
/*      $Id$    */

/*
 * SHA-1 in C
 * By Steve Reid <steve@edmweb.com>
 * 100% Public Domain
 */

#ifndef _SYS_SHA1_H_
#define _SYS_SHA1_H_

#include "../defs.h"

typedef struct {
        uint32_t state[5];
        uint32_t count[2];
        uint8_t buffer[64];
} SHA1_CTX;

#ifdef RUBY
/* avoid name clash */
#define SHA1_Transform  rb_Digest_SHA1_Transform
#define SHA1_Init       rb_Digest_SHA1_Init
#define SHA1_Update     rb_Digest_SHA1_Update
#define SHA1_Finish     rb_Digest_SHA1_Finish
#endif

void    SHA1_Transform _((uint32_t state[5], const uint8_t buffer[64]));
int     SHA1_Init _((SHA1_CTX *context));
void    SHA1_Update _((SHA1_CTX *context, const uint8_t *data, size_t len));
int     SHA1_Finish _((SHA1_CTX *context, uint8_t digest[20]));

#define SHA1_BLOCK_LENGTH               64
#define SHA1_DIGEST_LENGTH              20
#define SHA1_DIGEST_STRING_LENGTH       (SHA1_DIGEST_LENGTH * 2 + 1)

#endif /* _SYS_SHA1_H_ */