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/* md.h - digest functions
* Copyright (c) 1997 by Werner Koch (dd9jn)
*
* This file is part of G10.
*
* G10 is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* G10 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef G10_MD_H
#define G10_MD_H
#include "types.h"
#include "rmd.h"
#include "sha1.h"
#include "md5.h"
#define MD_BUFFER_SIZE 512
typedef struct {
int use_rmd160;
RMD160_CONTEXT rmd160;
int use_sha1;
SHA1_CONTEXT sha1;
int use_md5;
MD5_CONTEXT md5;
byte buffer[MD_BUFFER_SIZE]; /* primary buffer */
int bufcount;
int secure;
} *MD_HANDLE;
#define md_putc(h,c) \
do { \
if( (h)->bufcount == MD_BUFFER_SIZE ) \
md_write( (h), NULL, 0 ); \
(h)->buffer[(h)->bufcount++] = (c) & 0xff; \
} while(0)
/*-- md.c --*/
MD_HANDLE md_open( int algo, int secure );
void md_enable( MD_HANDLE hd, int algo );
MD_HANDLE md_copy( MD_HANDLE a );
void md_close(MD_HANDLE a);
void md_write( MD_HANDLE a, byte *inbuf, size_t inlen);
void md_final(MD_HANDLE a);
byte *md_read( MD_HANDLE a, int algo );
int md_get_algo( MD_HANDLE a );
#define md_is_secure(a) ((a)->secure)
#endif /*G10_MD_H*/
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