Update README.md

[proxmark3-svn] / client / cmdhfmfhard.c

diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c
index a9dc8762e9a884593b9b97b514a84d1bf3d99e53..3fed7c95b05e546c6a16de830ebb4775ddeee685 100644 (file)
--- a/client/cmdhfmfhard.c
+++ b/client/cmdhfmfhard.c
@@ -777,6 +777,7 @@ static int acquire_nonces(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_
        uint32_t next_fivehundred = 500;
        uint32_t total_added_nonces = 0;
        uint32_t idx = 1;
+       uint32_t timeout  = 0;
        FILE *fnonces = NULL;
        field_off = false;
        UsbCommand resp;
@@ -799,10 +800,15 @@ static int acquire_nonces(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_
                
                if (field_off) break;
 
-               if (!WaitForResponseTimeout(CMD_ACK, &resp, 6000)) {
-                       if (fnonces) fclose(fnonces);
-                       return 1;
-               }
+               while(!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
+                       timeout++;
+                       printf(".");
+                       if (timeout > 3) {
+                               PrintAndLog("\nNo response from Proxmark. Aborting...");
+                               if (fnonces) fclose(fnonces);
+                               return 1;
+                       }
+               }               
 
                if (resp.arg[0]) {
                        if (fnonces) fclose(fnonces);
@@ -1723,12 +1729,14 @@ static bool brute_force(void) {
        return ret;
 }
 
-int mfnestedhard(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *trgkey, bool nonce_file_read, bool nonce_file_write, bool slow, int tests) 
+int mfnestedhard(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *trgkey, bool nonce_file_read, bool nonce_file_write, bool slow, int tests, uint64_t *found_key) 
 {
        // initialize Random number generator
        time_t t;
        srand((unsigned) time(&t));
        
+       *found_key = 0;
+       
        if (trgkey != NULL) {
                known_target_key = bytes_to_num(trgkey, 6);
        } else {
@@ -1780,6 +1788,10 @@ int mfnestedhard(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBloc
                } else { // acquire nonces.
                        uint16_t is_OK = acquire_nonces(blockNo, keyType, key, trgBlockNo, trgKeyType, nonce_file_write, slow);
                        if (is_OK != 0) {
+                               free_nonces_memory();
+                               //free_statelist_cache();
+                               free_candidates_memory(candidates);
+                               candidates = NULL;
                                return is_OK;
                        }
                }
@@ -1790,5 +1802,6 @@ int mfnestedhard(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBloc
                free_candidates_memory(candidates);
                candidates = NULL;
        }
+       *found_key = foundkey;
        return 0;
-}
+}
\ No newline at end of file