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73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* md.h - digest functions
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* Copyright (C) 1998 Free Software Foundation, Inc.
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*
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* This file is part of GNUPG.
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*
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* GNUPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GNUPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef G10_MD_H
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#define G10_MD_H
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#include <stdio.h>
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#include "types.h"
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#include "rmd.h"
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#include "sha1.h"
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#include "md5.h"
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#include "tiger.h"
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#define MD_BUFFER_SIZE 512
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typedef struct {
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int use_rmd160;
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RMD160_CONTEXT rmd160;
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int use_sha1;
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SHA1_CONTEXT sha1;
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#ifdef WITH_TIGER_HASH
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int use_tiger;
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TIGER_CONTEXT tiger;
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#endif
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int use_md5;
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MD5_CONTEXT md5;
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byte buffer[MD_BUFFER_SIZE]; /* primary buffer */
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int bufcount;
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int secure;
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FILE *debug;
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} *MD_HANDLE;
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#define md_putc(h,c) \
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do { \
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if( (h)->bufcount == MD_BUFFER_SIZE ) \
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md_write( (h), NULL, 0 ); \
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(h)->buffer[(h)->bufcount++] = (c) & 0xff; \
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} while(0)
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/*-- md.c --*/
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MD_HANDLE md_open( int algo, int secure );
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void md_enable( MD_HANDLE hd, int algo );
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MD_HANDLE md_copy( MD_HANDLE a );
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void md_close(MD_HANDLE a);
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void md_write( MD_HANDLE a, byte *inbuf, size_t inlen);
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void md_final(MD_HANDLE a);
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byte *md_read( MD_HANDLE a, int algo );
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int md_get_algo( MD_HANDLE a );
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int md_digest_length( int algo );
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const byte *md_asn_oid( int algo, size_t *asnlen, size_t *mdlen );
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void md_start_debug( MD_HANDLE a, const char *suffix );
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void md_stop_debug( MD_HANDLE a );
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#define md_is_secure(a) ((a)->secure)
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#endif /*G10_MD_H*/
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