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Commit	Line	Data
	1	/*****************************************************************************
	2	* This file is part of iClassCipher. It is a reconstructon of the cipher engine
	3	* used in iClass, and RFID techology.
	4	*
	5	* The implementation is based on the work performed by
	6	* Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
	7	* Milosch Meriac in the paper "Dismantling IClass".
	8	*
	9	* Copyright (C) 2014 Martin Holst Swende
	10	*
	11	* This is free software: you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as published
	13	* by the Free Software Foundation.
	14	*
	15	* This file is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with IClassCipher. If not, see <http://www.gnu.org/licenses/>.
	22	****************************************************************************/
	23
	24	#include <stdio.h>
	25	#include <cipherutils.h>
	26	#include <stdint.h>
	27	#include <stdbool.h>
	28	#include <string.h>
	29	#include <unistd.h>
	30	#include <ctype.h>
	31	#include "cipherutils.h"
	32	#include "cipher.h"
	33	#include "ikeys.h"
	34	#include "fileutils.h"
	35	#include "elite_crack.h"
	36
	37	int unitTests()
	38	{
	39	int errors = testCipherUtils();
	40	errors += testMAC();
	41	errors += doKeyTests(0);
	42	errors += testElite();
	43	return errors;
	44	}
	45	int showHelp()
	46	{
	47	prnlog("Usage: iclazz [options]");
	48	prnlog("Options:");
	49	prnlog("-t Perform self-test");
	50	prnlog("-h Show this help");
	51	prnlog("-f <filename> Bruteforce iclass dumpfile");
	52	prnlog(" An iclass dumpfile is assumed to consist of an arbitrary number of malicious CSNs, and their protocol responses");
	53	prnlog(" The the binary format of the file is expected to be as follows: ");
	54	prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
	55	prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
	56	prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
	57	prnlog(" ... totalling N*24 bytes");
	58	prnlog(" Check iclass_dump.bin for an example");
	59
	60	return 0;
	61	}
	62
	63	int main (int argc, char **argv)
	64	{
	65	prnlog("IClass Cipher version 1.2, Copyright (C) 2014 Martin Holst Swende\n");
	66	prnlog("Comes with ABSOLUTELY NO WARRANTY");
	67	prnlog("This is free software, and you are welcome to use, abuse and repackage, please keep the credits\n");
	68	char *fileName = NULL;
	69	int c;
	70	while ((c = getopt (argc, argv, "thf:")) != -1)
	71	switch (c)
	72	{
	73	case 't':
	74	return unitTests();
	75	case 'h':
	76	return showHelp();
	77	case 'f':
	78	fileName = optarg;
	79	return bruteforceFileNoKeys(fileName);
	80	case '?':
	81	if (optopt == 'f')
	82	fprintf (stderr, "Option -%c requires an argument.\n", optopt);
	83	else if (isprint (optopt))
	84	fprintf (stderr, "Unknown option `-%c'.\n", optopt);
	85	else
	86	fprintf (stderr,
	87	"Unknown option character `\\x%x'.\n",
	88	optopt);
	89	return 1;
	90	//default:
	91	//showHelp();
	92	}
	93	showHelp();
	94	return 0;
	95	}
	96