client/loclass/main.c

   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 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