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/* bftest.c - Blowfish test program
* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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.
*
* GnuPG 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
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_DOSISH_SYSTEM
#include <io.h>
#include <fcntl.h>
#endif
#include <gcrypt.h>
#include "util.h"
#include "i18n.h"
static void
my_usage(void)
{
fprintf(stderr, "usage: bftest [-e][-d] algo mode key\n");
exit(1);
}
static void
i18n_init(void)
{
#ifdef ENABLE_NLS
#ifdef HAVE_LC_MESSAGES
setlocale( LC_MESSAGES, "" );
#else
setlocale( LC_ALL, "" );
#endif
bindtextdomain( PACKAGE, GNUPG_LOCALEDIR );
textdomain( PACKAGE );
#endif
}
int
main(int argc, char **argv)
{
int encode=0;
GCRY_CIPHER_HD hd;
char buf[4096];
int rc, n, size=4096;
int algo, mode;
const char *s;
#ifdef HAVE_DOSISH_SYSTEM
setmode( fileno(stdin), O_BINARY );
setmode( fileno(stdout), O_BINARY );
#endif
i18n_init();
if( argc > 1 && !strcmp(argv[1], "-e") ) {
encode++;
argc--; argv++;
}
else if( argc > 1 && !strcmp(argv[1], "-E") ) {
encode++;
argc--; argv++;
size = 10;
}
else if( argc > 1 && !strcmp(argv[1], "-d") ) {
argc--; argv++;
}
else if( argc > 1 && !strcmp(argv[1], "-D") ) {
argc--; argv++;
size = 10;
}
if( argc != 4 )
my_usage();
argc--; argv++;
algo = gcry_cipher_map_name( *argv );
argc--; argv++;
s = *argv; argc--; argv++;
if ( !strcasecmp( s, "cfb" ) )
mode = GCRY_CIPHER_MODE_CFB;
else if ( !strcasecmp( s, "cbc" ) )
mode = GCRY_CIPHER_MODE_CBC;
else if ( !strcasecmp( s, "ebc" ) )
mode = GCRY_CIPHER_MODE_ECB;
else if ( !strcasecmp( s, "none" ) )
mode = GCRY_CIPHER_MODE_NONE;
else if ( !strcasecmp( s, "stream" ) )
mode = GCRY_CIPHER_MODE_STREAM;
else {
fprintf( stderr,
"wrong mode; use one of: none, ecb, cbc, cfb, stream\n");
return 1;
}
hd = gcry_cipher_open( algo, mode, 0 );
if (!hd )
log_fatal("cipher open failed: %s\n", gcry_strerror(-1) );
rc = gcry_cipher_setkey( hd, *argv, strlen(*argv) );
if ( rc )
log_fatal("setkey failed: %s\n", gcry_strerror(rc) );
gcry_cipher_setiv( hd, NULL, 0 );
while( (n = fread( buf, 1, size, stdin )) > 0 ) {
if( encode )
gcry_cipher_encrypt( hd, buf, n, buf, n );
else
gcry_cipher_decrypt( hd, buf, n, buf, n );
if( fwrite( buf, 1, n, stdout) != n )
log_fatal("write error\n");
}
gcry_cipher_close(hd);
return 0;
}
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