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3ad48540 1/*****************************************************************************
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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
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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
26f202e2 25 * by the Free Software Foundation, or, at your option, any later version.
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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
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33 * along with loclass. If not, see <http://www.gnu.org/licenses/>.
34 *
35 *
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36 ****************************************************************************/
37
d60418a0 38
3ad48540 39#include <stdio.h>
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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
51int unitTests()
52{
53 int errors = testCipherUtils();
54 errors += testMAC();
55 errors += doKeyTests(0);
56 errors += testElite();
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57 if(errors)
58 {
59 prnlog("OBS! There were errors!!!");
60 }
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61 return errors;
62}
63int showHelp()
64{
d60418a0 65 prnlog("Usage: loclass [options]");
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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");
b8140ab1 71 prnlog(" The binary format of the file is expected to be as follows: ");
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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
81int 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");
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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
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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
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