git.zerfleddert.de Git - proxmark3-svn/blob - client/loclass/main.c

   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