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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.
	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
	40	#include <stdio.h>
	41	#include <stdint.h>
	42	#include <stdbool.h>
	43	#include <string.h>
	44	#include <unistd.h>
	45	#include <ctype.h>
	46	#include "cipherutils.h"
	47	#include "cipher.h"
	48	#include "ikeys.h"
	49	#include "fileutils.h"
	50	#include "elite_crack.h"
	51
	52	int unitTests()
	53	{
	54	int errors = testCipherUtils();
	55	errors += testMAC();
	56	errors += doKeyTests(0);
	57	errors += testElite();
	58	if(errors)
	59	{
	60	prnlog("OBS! There were errors!!!");
	61	}
	62	return errors;
	63	}
	64	int showHelp()
	65	{
	66	prnlog("Usage: loclass [options]");
	67	prnlog("Options:");
	68	prnlog("-t Perform self-test");
	69	prnlog("-h Show this help");
	70	prnlog("-f <filename> Bruteforce iclass dumpfile");
	71	prnlog(" An iclass dumpfile is assumed to consist of an arbitrary number of malicious CSNs, and their protocol responses");
	72	prnlog(" The binary format of the file is expected to be as follows: ");
	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(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
	76	prnlog(" ... totalling N*24 bytes");
	77	prnlog(" Check iclass_dump.bin for an example");
	78
	79	return 0;
	80	}
	81
	82	int main (int argc, char **argv)
	83	{
	84	prnlog("IClass Cipher version 1.2, Copyright (C) 2014 Martin Holst Swende\n");
	85	prnlog("Comes with ABSOLUTELY NO WARRANTY");
	86	prnlog("Released as GPLv2\n");
	87	prnlog("WARNING");
	88	prnlog("");
	89	prnlog("THIS TOOL IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY. ");
	90	prnlog("");
	91	prnlog("USAGE OF THIS TOOL IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL ");
	92	prnlog("PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL, ");
	93	prnlog("AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES. ");
	94	prnlog("");
	95	prnlog("THIS TOOL SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS. ");
	96
	97
	98	char *fileName = NULL;
	99	int c;
	100	while ((c = getopt (argc, argv, "thf:")) != -1)
	101	switch (c)
	102	{
	103	case 't':
	104	return unitTests();
	105	case 'h':
	106	return showHelp();
	107	case 'f':
	108	fileName = optarg;
	109	return bruteforceFileNoKeys(fileName);
	110	case '?':
	111	if (optopt == 'f')
	112	fprintf (stderr, "Option -%c requires an argument.\n", optopt);
	113	else if (isprint (optopt))
	114	fprintf (stderr, "Unknown option `-%c'.\n", optopt);
	115	else
	116	fprintf (stderr,
	117	"Unknown option character `\\x%x'.\n",
	118	optopt);
	119	return 1;
	120	//default:
	121	//showHelp();
	122	}
	123	showHelp();
	124	return 0;
	125	}
	126