FIX: @Aczid suggested this to fix a Coverity scan warning.

[proxmark3-svn] / client / cmdhfmfhard.c

diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c
index 1d642676a442d92a23665411f0e51f6f64b65831..f4d4648656a30924380bd7b32c2b792075139a2b 100644 (file)
--- a/client/cmdhfmfhard.c
+++ b/client/cmdhfmfhard.c
@@ -33,9 +33,6 @@
 #include <malloc.h>
 #include <assert.h>
 
-// uint32_t test_state_odd = 0;
-// uint32_t test_state_even = 0;
-
 #define CONFIDENCE_THRESHOLD   0.95            // Collect nonces until we are certain enough that the following brute force is successfull
 #define GOOD_BYTES_REQUIRED            28
 
@@ -1315,8 +1312,8 @@ static void generate_candidates(uint16_t sum_a0, uint16_t sum_a8)
                                                                        *p = 0xffffffff;
                                                                }
                                                        }
-                                                       printf("Odd  state candidates: %6d (2^%0.1f)\n", current_candidates->len[ODD_STATE], log(current_candidates->len[ODD_STATE])/log(2)); 
-                                                       printf("Even state candidates: %6d (2^%0.1f)\n", current_candidates->len[EVEN_STATE], log(current_candidates->len[EVEN_STATE])/log(2)); 
+                                                       //printf("Odd  state candidates: %6d (2^%0.1f)\n", current_candidates->len[ODD_STATE], log(current_candidates->len[ODD_STATE])/log(2)); 
+                                                       //printf("Even state candidates: %6d (2^%0.1f)\n", current_candidates->len[EVEN_STATE], log(current_candidates->len[EVEN_STATE])/log(2)); 
                                                }
                                        }
                                }
@@ -1640,8 +1637,9 @@ static void brute_force(void)
         PrintAndLog("Using %u-bit bitslices", MAX_BITSLICES);
         PrintAndLog("Bitslicing best_first_byte^uid[3] (rollback byte): %02x...", best_first_bytes[0]^(cuid>>24));
         // convert to 32 bit little-endian
-        crypto1_bs_bitslice_value32(rev32((best_first_bytes[0]^(cuid>>24))), bitsliced_rollback_byte, 8);
-
+        //crypto1_bs_bitslice_value32(rev32((best_first_bytes[0]^(cuid>>24))), bitsliced_rollback_byte, 8);
+               crypto1_bs_bitslice_value32((best_first_bytes[0]<<24)^cuid, bitsliced_rollback_byte, 8);
+                       
         PrintAndLog("Bitslicing nonces...");
         for(size_t tests = 0; tests < NONCE_TESTS; tests++){
             uint32_t test_nonce = brute_force_nonces[tests]->nonce_enc;
@@ -1650,7 +1648,7 @@ static void brute_force(void)
             crypto1_bs_bitslice_value32(cuid^test_nonce, bitsliced_encrypted_nonces[tests], 32);
             // convert to 32 bit little-endian
             crypto1_bs_bitslice_value32(rev32( ~(test_parity ^ ~(parity(cuid>>24 & 0xff)<<3 | parity(cuid>>16 & 0xff)<<2 | parity(cuid>>8 & 0xff)<<1 | parity(cuid&0xff)))), bitsliced_encrypted_parity_bits[tests], 4);
-        }
+               }
         total_states_tested = 0;
 
         // count number of states to go
@@ -1679,10 +1677,11 @@ static void brute_force(void)
 
         time(&end);
         unsigned long elapsed_time = difftime(end, start);
-        PrintAndLog("Tested %"PRIu32" states, found %u keys after %u seconds", total_states_tested, keys_found, elapsed_time);
-        if(!keys_found){
-            assert(total_states_tested == maximum_states);
-        }
+        if(keys_found){
+                       PrintAndLog("Success! Tested %"PRIu32" states, found %u keys after %u seconds", total_states_tested, keys_found, elapsed_time);
+        } else {
+                       PrintAndLog("Fail! Tested %"PRIu32" states, in %u seconds", total_states_tested, elapsed_time);
+               }
         // reset this counter for the next call
         nonces_to_bruteforce = 0;
        }