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Commit	Line	Data
	1	/*****************************************************************************
	2	* WARNING
	3	*
	4	* THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
	5	*
	6	* USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
	7	* PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
	8	* AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
	9	*
	10	* THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
	11	*
	12	*****************************************************************************
	13	*
	14	* This file is part of loclass. It is a reconstructon of the cipher engine
	15	* used in iClass, and RFID techology.
	16	*
	17	* The implementation is based on the work performed by
	18	* Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
	19	* Milosch Meriac in the paper "Dismantling IClass".
	20	*
	21	* Copyright (C) 2014 Martin Holst Swende
	22	*
	23	* This is free software: you can redistribute it and/or modify
	24	* it under the terms of the GNU General Public License version 2 as published
	25	* by the Free Software Foundation, or, at your option, any later version.
	26	*
	27	* This file is distributed in the hope that it will be useful,
	28	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	29	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	30	* GNU General Public License for more details.
	31	*
	32	* You should have received a copy of the GNU General Public License
	33	* along with loclass. If not, see <http://www.gnu.org/licenses/>.
	34	*
	35	*
	36	****************************************************************************/
	37
	38
	39	#include <stdio.h>
	40	#include <stdint.h>
	41	#include <stdbool.h>
	42	#include <string.h>
	43	#include <unistd.h>
	44	#include <ctype.h>
	45	#include "cipherutils.h"
	46	#include "cipher.h"
	47	#include "ikeys.h"
	48	#include "fileutils.h"
	49	#include "elite_crack.h"
	50
	51	int unitTests()
	52	{
	53	int errors = testCipherUtils();
	54	errors += testMAC();
	55	errors += doKeyTests(0);
	56	errors += testElite();
	57	if(errors)
	58	{
	59	prnlog("OBS! There were errors!!!");
	60	}
	61	return errors;
	62	}
	63	int showHelp()
	64	{
	65	prnlog("Usage: loclass [options]");
	66	prnlog("Options:");
	67	prnlog("-t Perform self-test");
	68	prnlog("-h Show this help");
	69	prnlog("-f <filename> Bruteforce iclass dumpfile");
	70	prnlog(" An iclass dumpfile is assumed to consist of an arbitrary number of malicious CSNs, and their protocol responses");
	71	prnlog(" The binary format of the file is expected to be as follows: ");
	72	prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
	73	prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
	74	prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
	75	prnlog(" ... totalling N*24 bytes");
	76	prnlog(" Check iclass_dump.bin for an example");
	77
	78	return 0;
	79	}
	80
	81	int main (int argc, char **argv)
	82	{
	83	prnlog("IClass Cipher version 1.2, Copyright (C) 2014 Martin Holst Swende\n");
	84	prnlog("Comes with ABSOLUTELY NO WARRANTY");
	85	prnlog("Released as GPLv2\n");
	86	prnlog("WARNING");
	87	prnlog("");
	88	prnlog("THIS TOOL IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY. ");
	89	prnlog("");
	90	prnlog("USAGE OF THIS TOOL IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL ");
	91	prnlog("PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL, ");
	92	prnlog("AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES. ");
	93	prnlog("");
	94	prnlog("THIS TOOL SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS. ");
	95
	96
	97	char *fileName = NULL;
	98	int c;
	99	while ((c = getopt (argc, argv, "thf:")) != -1)
	100	switch (c)
	101	{
	102	case 't':
	103	return unitTests();
	104	case 'h':
	105	return showHelp();
	106	case 'f':
	107	fileName = optarg;
	108	return bruteforceFileNoKeys(fileName);
	109	case '?':
	110	if (optopt == 'f')
	111	fprintf (stderr, "Option -%c requires an argument.\n", optopt);
	112	else if (isprint (optopt))
	113	fprintf (stderr, "Unknown option `-%c'.\n", optopt);
	114	else
	115	fprintf (stderr,
	116	"Unknown option character `\\x%x'.\n",
	117	optopt);
	118	return 1;
	119	//default:
	120	//showHelp();
	121	}
	122	showHelp();
	123	return 0;
	124	}
	125