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111 lines
2.4 KiB
C
111 lines
2.4 KiB
C
/* bftest.c - Blowfish test program
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* Copyright (c) 1997 by Werner Koch (dd9jn)
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*
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* This file is part of G10.
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*
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* G10 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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* G10 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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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef __MINGW32__
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#include <io.h>
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#include <fcntl.h>
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#endif
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#include "util.h"
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#include "cipher.h"
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#include "i18n.h"
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static void
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my_usage(void)
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{
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fprintf(stderr, "usage: bftest [-e][-d] key\n");
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exit(1);
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}
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const char *
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strusage( int level )
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{
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return default_strusage(level);
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}
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static void
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i18n_init(void)
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{
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#ifdef HAVE_LIBINTL
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#ifdef HAVE_LC_MESSAGES
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setlocale( LC_MESSAGES, "" );
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#else
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setlocale( LC_ALL, "" );
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#endif
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bindtextdomain( PACKAGE, G10_LOCALEDIR );
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textdomain( PACKAGE );
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#endif
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}
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int
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main(int argc, char **argv)
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{
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int encode=0;
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BLOWFISH_context ctx;
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char buf[100];
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char iv[BLOWFISH_BLOCKSIZE];
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int n, size=8;
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#ifdef __MINGW32__
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setmode( fileno(stdin), O_BINARY );
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setmode( fileno(stdout), O_BINARY );
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#endif
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i18n_init();
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if( argc > 1 && !strcmp(argv[1], "-e") ) {
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encode++;
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argc--; argv++;
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}
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else if( argc > 1 && !strcmp(argv[1], "-E") ) {
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encode++;
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argc--; argv++;
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size = 10;
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}
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else if( argc > 1 && !strcmp(argv[1], "-d") ) {
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argc--; argv++;
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}
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else if( argc > 1 && !strcmp(argv[1], "-D") ) {
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argc--; argv++;
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size = 10;
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}
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if( argc != 2 )
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my_usage();
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argc--; argv++;
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blowfish_setkey( &ctx, *argv, strlen(*argv) );
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memset(iv,0, BLOWFISH_BLOCKSIZE);
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blowfish_setiv( &ctx, iv );
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while( (n = fread( buf, 1, size, stdin )) > 0 ) {
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if( encode )
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blowfish_encode_cfb( &ctx, buf, buf, n );
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else
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blowfish_decode_cfb( &ctx, buf, buf, n );
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if( fwrite( buf, 1, n, stdout) != n )
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log_fatal("write error\n");
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}
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return 0;
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}
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