//Diversify
diversifyKey(item.csn, key_sel_p, div_key);
//Calc mac
- doMAC(item.cc_nr,12, div_key,calculated_MAC);
+ doMAC(item.cc_nr, div_key,calculated_MAC);
if(memcmp(calculated_MAC, item.mac, 4) == 0)
{
errors += bruteforceItem(*attack, keytable);
}
free(attack);
- clock_t t2 = clock();
- float diff = (((float)t2 - (float)t1) / CLOCKS_PER_SEC );
+ t1 = clock() - t1;
+ float diff = ((float)t1 / CLOCKS_PER_SEC );
prnlog("\nPerformed full crack in %f seconds",diff);
// Pick out the first 16 bytes of the keytable.
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
+ if (fsize < 0) {
+ prnlog("Error, when getting filesize");
+ if (f) {
+ fclose(f);
+ f = NULL;
+ }
+ return 1;
+ }
+
uint8_t *dump = malloc(fsize);
size_t bytes_read = fread(dump, 1, fsize, f);
- fclose(f);
- if (bytes_read < fsize)
- {
+ if (f) {
+ fclose(f);
+ f = NULL;
+ }
+ if (bytes_read < fsize) {
prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize );
}
- return bruteforceDump(dump,fsize,keytable);
+ uint8_t res = bruteforceDump(dump,fsize,keytable);
+ free(dump);
+ return res;
}
/**
*
//Test a few variants
if(fileExists("iclass_dump.bin"))
{
- errors |= bruteforceFile("iclass_dump.bin",keytable);
+ errors |= bruteforceFile("iclass_dump.bin",keytable);
}else if(fileExists("loclass/iclass_dump.bin")){
errors |= bruteforceFile("loclass/iclass_dump.bin",keytable);
}else if(fileExists("client/loclass/iclass_dump.bin")){
prnlog("[+] Iclass key permutation OK!");
return 0;
}
+int _testHash1()
+{
+ uint8_t csn[8]= {0x01,0x02,0x03,0x04,0xF7,0xFF,0x12,0xE0};
+ uint8_t k[8] = {0};
+ hash1(csn, k);
+ uint8_t expected[8] = {0x7E,0x72,0x2F,0x40,0x2D,0x02,0x51,0x42};
+ if(memcmp(k,expected,8) != 0)
+ {
+ prnlog("Error with hash1!");
+ printarr("calculated", k, 8);
+ printarr("expected", expected, 8);
+ return 1;
+ }
+ return 0;
+}
int testElite()
{
prnlog("[+] Hash2 looks fine...");
}
- prnlog("[+] Testing key diversification ...");
-
int errors = 0 ;
- errors +=_test_iclass_key_permutation();
+ prnlog("[+] Testing hash1...");
+ errors += _testHash1();
+ prnlog("[+] Testing key diversification ...");
+ errors +=_test_iclass_key_permutation();
errors += _testBruteforce();
+
return errors;
}