int testMAC()
{
prnlog("[+] Testing MAC calculation...");
//From the "dismantling.IClass" paper:
uint8_t cc_nr[] = {0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0,0,0,0};
//From the paper
uint8_t div_key[8] = {0xE0,0x33,0xCA,0x41,0x9A,0xEE,0x43,0xF9};
uint8_t correct_MAC[4] = {0x1d,0x49,0xC9,0xDA};
uint8_t calculated_mac[4] = {0};
doMAC(cc_nr,div_key, calculated_mac);
if(memcmp(calculated_mac, correct_MAC,4) == 0)
{
prnlog("[+] MAC calculation OK!");
}else
{
prnlog("[+] FAILED: MAC calculation failed:");
printarr(" Calculated_MAC", calculated_mac, 4);
printarr(" Correct_MAC ", correct_MAC, 4);
return 1;
}
return 0;
}
int unitTests()
{
int errors = testCipherUtils();
errors += testMAC();
errors += doKeyTests(0);
errors += testElite();
errors += testOptMAC();
if(errors)
{
prnlog("OBS! There were errors!!!");
}
return errors;
}
int main (int argc, char **argv)
{
prnlog("IClass Cipher version 1.2, Copyright (C) 2014 Martin Holst Swende\n");
prnlog("Comes with ABSOLUTELY NO WARRANTY");
prnlog("Released as GPLv2\n");
prnlog("WARNING");
prnlog("");
prnlog("THIS TOOL IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY. ");
prnlog("");
prnlog("USAGE OF THIS TOOL IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL ");
prnlog("PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL, ");
prnlog("AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES. ");
prnlog("");
prnlog("THIS TOOL SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS. ");
char *fileName = NULL;
int c;
while ((c = getopt (argc, argv, "xthf:")) != -1)
switch (c)
{
case 'x':
brute_hash1();
return 0;
case 't':
return unitTests();
case 'h':
return showHelp();
case 'f':
fileName = optarg;
return bruteforceFileNoKeys(fileName);
case '?':
if (optopt == 'f')
fprintf (stderr, "Option -%c requires an argument.\n", optopt);
else if (isprint (optopt))
fprintf (stderr, "Unknown option `-%c'.\n", optopt);
else
fprintf (stderr,
"Unknown option character `\\x%x'.\n",
optopt);
return 1;
//default:
//showHelp();
}
showHelp();
return 0;
}
int showHelp()
{
prnlog("Usage: loclass [options]");
prnlog("Options:");
prnlog("-t Perform self-test");
prnlog("-h Show this help");
prnlog("-d <CSN> -k <key> Calculate diversified key, based on CSN and K_CUS. Key should be on standard NIST-format, not iclass format ");
prnlog("-f <filename> Bruteforce iclass dumpfile");
prnlog(" An iclass dumpfile is assumed to consist of an arbitrary number of malicious CSNs, and their protocol responses");
prnlog(" The the binary format of the file is expected to be as follows: ");
prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
prnlog(" ... totalling N*24 bytes");
prnlog(" Check iclass_dump.bin for an example");
return 0;
}
int showHelp()
{
prnlog("Usage: iclazz [options]");
prnlog("Options:");
prnlog("-t Perform self-test");
prnlog("-h Show this help");
prnlog("-f <filename> Bruteforce iclass dumpfile");
prnlog(" An iclass dumpfile is assumed to consist of an arbitrary number of malicious CSNs, and their protocol responses");
prnlog(" The the binary format of the file is expected to be as follows: ");
prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
prnlog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
prnlog(" ... totalling N*24 bytes");
prnlog(" Check iclass_dump.bin for an example");
return 0;
}
