mirror of
git://git.gnupg.org/gnupg.git
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141 lines
3.2 KiB
C
141 lines
3.2 KiB
C
/* bftest.c - Blowfish test program
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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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#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 HAVE_DOSISH_SYSTEM
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#include <io.h>
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#include <fcntl.h>
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#endif
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#include <gcrypt.h>
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#include "util.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] algo mode key\n");
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exit(1);
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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 ENABLE_NLS
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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, GNUPG_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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GCRY_CIPHER_HD hd;
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char buf[4096];
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int rc, n, size=4096;
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int algo, mode;
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const char *s;
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#ifdef HAVE_DOSISH_SYSTEM
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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 != 4 )
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my_usage();
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argc--; argv++;
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algo = gcry_cipher_map_name( *argv );
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argc--; argv++;
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s = *argv; argc--; argv++;
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if ( !strcasecmp( s, "cfb" ) )
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mode = GCRY_CIPHER_MODE_CFB;
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else if ( !strcasecmp( s, "cbc" ) )
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mode = GCRY_CIPHER_MODE_CBC;
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else if ( !strcasecmp( s, "ebc" ) )
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mode = GCRY_CIPHER_MODE_ECB;
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else if ( !strcasecmp( s, "none" ) )
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mode = GCRY_CIPHER_MODE_NONE;
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else if ( !strcasecmp( s, "stream" ) )
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mode = GCRY_CIPHER_MODE_STREAM;
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else {
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fprintf( stderr,
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"wrong mode; use one of: none, ecb, cbc, cfb, stream\n");
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return 1;
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}
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hd = gcry_cipher_open( algo, mode, 0 );
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if (!hd )
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log_fatal("cipher open failed: %s\n", gcry_strerror(-1) );
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rc = gcry_cipher_setkey( hd, *argv, strlen(*argv) );
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if ( rc )
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log_fatal("setkey failed: %s\n", gcry_strerror(rc) );
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gcry_cipher_setiv( hd, NULL, 0 );
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while( (n = fread( buf, 1, size, stdin )) > 0 ) {
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if( encode )
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gcry_cipher_encrypt( hd, buf, n, buf, n );
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else
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gcry_cipher_decrypt( hd, buf, n, 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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gcry_cipher_close(hd);
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return 0;
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}
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