CHG: starting to add the legic changes.. *work in progress*

[proxmark3-svn] / armsrc / iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 93bed2d5545ba5bf1ce2b7b04c7b22af24665e05..88d2b078c56f02ec02cb32fc3770f880a4e2153e 100644 (file)
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -2204,8 +2204,7 @@ void ReaderMifare(bool first_try, uint8_t block, uint8_t keytype ) {
        iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
 
        sync_time = GetCountSspClk() & 0xfffffff8;
-       // iceman,  i add 1130 because during my observations this makse the syncronization much fast to sync.
-       sync_cycles = PRNG_SEQUENCE_LENGTH + 1130; //65536;     // Mifare Classic's random generator repeats every 2^16 cycles (and so do the nonces).          
+       sync_cycles = PRNG_SEQUENCE_LENGTH; // Mifare Classic's random generator repeats every 2^16 cycles (and so do the nonces).              
        nt_attacked = 0;
        
    if (MF_DBGLEVEL >= 4)       Dbprintf("Mifare::Sync %08x", sync_time);
@@ -2282,7 +2281,7 @@ void ReaderMifare(bool first_try, uint8_t block, uint8_t keytype ) {
        
                // we didn't calibrate our clock yet,
                // iceman: has to be calibrated every time.
-               if (first_try &&  previous_nt && !nt_attacked) { 
+               if (previous_nt && !nt_attacked) { 
 
                        nt_distance = dist_nt(previous_nt, nt);
                        
@@ -2321,7 +2320,7 @@ void ReaderMifare(bool first_try, uint8_t block, uint8_t keytype ) {
                }
                LED_B_OFF();
 
-               if ((nt != nt_attacked) && nt_attacked) {       // we somehow lost sync. Try to catch up again...
+               if ( (nt != nt_attacked) && nt_attacked) {      // we somehow lost sync. Try to catch up again...
                        
                        catch_up_cycles = ABS(dist_nt(nt_attacked, nt));
                        if (catch_up_cycles == 99999) {                 // invalid nonce received. Don't resync on that one.