if (isOK != 1) return 1;\r
\r
// execute original function from util nonce2key\r
- if (nonce2key(uid, nt, par_list, ks_list, &r_key)) return 2;\r
- printf("------------------------------------------------------------------\n");\r
- PrintAndLog("Key found:%012llx \n", r_key);\r
+ if (nonce2key(uid, nt, par_list, ks_list, &r_key))\r
+ {\r
+ isOK = 2;\r
+ PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt); \r
+ } else {\r
+ printf("------------------------------------------------------------------\n");\r
+ PrintAndLog("Key found:%012llx \n", r_key);\r
\r
- num_to_bytes(r_key, 6, keyBlock);\r
- isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key);\r
+ num_to_bytes(r_key, 6, keyBlock);\r
+ isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key);\r
+ }\r
if (!isOK) \r
PrintAndLog("Found valid key:%012llx", r_key);\r
else\r
{\r
- PrintAndLog("Found invalid key. ( Nt=%08x ,Trying use it to run again...", nt); \r
+ if (isOK != 2) PrintAndLog("Found invalid key. ( Nt=%08x ,Trying use it to run again...", nt); \r
c.arg[0] = nt;\r
goto start;\r
}\r
#include "ui.h"
int nonce2key(uint32_t uid, uint32_t nt, uint64_t par_info, uint64_t ks_info, uint64_t * key) {
- struct Crypto1State *state;
+ struct Crypto1State *state, *state_s;
uint32_t pos, nr, rr, nr_diff;//, ks1, ks2;
byte_t bt, i, ks3x[8], par[8][8];
uint64_t key_recovered;
}
state = lfsr_common_prefix(nr, rr, ks3x, par);
- lfsr_rollback_word(state, uid^nt, 0);
- crypto1_get_lfsr(state, &key_recovered);
- crypto1_destroy(state);
+ state_s = 0;
+ for (i = 0; (state) && ((state + i)->odd != 0 || (state + i)->even != 0) && (i < 10); i++)
+ {
+ printf("%08x|%08x\n",(state+i)->odd, (state+i)->even);
+ state_s = state + i;
+ }
+ if (!state_s) return 1;
+
+ lfsr_rollback_word(state_s, uid^nt, 0);
+ crypto1_get_lfsr(state_s, &key_recovered);
+ if (!state) free(state);
*key = key_recovered;