replaced string.find with str.find in findbits.search()

[proxmark3-svn] / armsrc / iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index e51775637868dc93d0cb0c6a80af93678ee0dffa..54fbb246458f36ec1695a0841de26556659ddba9 100644 (file)
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -156,7 +156,7 @@ static struct {
 
 static RAMFUNC int MillerDecoding(int bit)
 {
-       int error = 0;
+       //int error = 0;
        int bitright;
 
        if(!Uart.bitBuffer) {
@@ -202,7 +202,7 @@ static RAMFUNC int MillerDecoding(int bit)
                                // measured a drop in first and second half
                                // which should not be possible
                                Uart.state = STATE_ERROR_WAIT;
-                               error = 0x01;
+                               //error = 0x01;
                        }
 
                        Uart.posCnt = 0;
@@ -213,7 +213,7 @@ static RAMFUNC int MillerDecoding(int bit)
                                        if(Uart.drop == DROP_SECOND_HALF) {
                                                // error, should not happen in SOC
                                                Uart.state = STATE_ERROR_WAIT;
-                                               error = 0x02;
+                                               //error = 0x02;
                                        }
                                        else {
                                                // correct SOC
@@ -251,7 +251,7 @@ static RAMFUNC int MillerDecoding(int bit)
                                                // Would be STATE_MILLER_Z
                                                // but Z does not follow X, so error
                                                Uart.state = STATE_ERROR_WAIT;
-                                               error = 0x03;
+                                               //error = 0x03;
                                        }
                                        if(Uart.drop == DROP_SECOND_HALF) {
                                                // We see a '1' and stay in state X
@@ -372,7 +372,7 @@ static RAMFUNC int MillerDecoding(int bit)
                                Uart.bitCnt = 0;
                                Uart.byteCnt = 0;
                                Uart.parityBits = 0;
-                               error = 0;
+                               //error = 0;
                        }
                        else {
                                Uart.highCnt = 0;
@@ -422,7 +422,7 @@ static RAMFUNC int ManchesterDecoding(int v)
 {
        int bit;
        int modulation;
-       int error = 0;
+       //int error = 0;
 
        if(!Demod.buff) {
                Demod.buff = 1;
@@ -479,7 +479,7 @@ static RAMFUNC int ManchesterDecoding(int v)
                                        case 0x01: Demod.samples = 0; break;
                                }
                        }
-                       error = 0;
+                       //error = 0;
                }
        }
        else {
@@ -503,7 +503,7 @@ static RAMFUNC int ManchesterDecoding(int v)
                                if(Demod.state!=DEMOD_ERROR_WAIT) {
                                        Demod.state = DEMOD_ERROR_WAIT;
                                        Demod.output[Demod.len] = 0xaa;
-                                       error = 0x01;
+                                       //error = 0x01;
                                }
                        }
                        else if(modulation) {
@@ -518,7 +518,7 @@ static RAMFUNC int ManchesterDecoding(int v)
                                        else {
                                                Demod.output[Demod.len] = 0xab;
                                                Demod.state = DEMOD_ERROR_WAIT;
-                                               error = 0x02;
+                                               //error = 0x02;
                                        }
                                        break;
 
@@ -556,7 +556,7 @@ static RAMFUNC int ManchesterDecoding(int v)
                                        else {
                                                Demod.output[Demod.len] = 0xad;
                                                Demod.state = DEMOD_ERROR_WAIT;
-                                               error = 0x03;
+                                               //error = 0x03;
                                        }
                                        break;
 
@@ -768,13 +768,10 @@ void RAMFUNC SnoopIso14443a(void)
 
     DbpString("COMMAND FINISHED");
 
-    Dbprintf("%x %x %x", maxBehindBy, Uart.state, Uart.byteCnt);
-    Dbprintf("%x %x %x", Uart.byteCntMax, traceLen, (int)Uart.output[0]);
-
 done:
     AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;
-    Dbprintf("%x %x %x", maxBehindBy, Uart.state, Uart.byteCnt);
-    Dbprintf("%x %x %x", Uart.byteCntMax, traceLen, (int)Uart.output[0]);
+    Dbprintf("maxBehindBy=%x, Uart.state=%x, Uart.byteCnt=%x", maxBehindBy, Uart.state, Uart.byteCnt);
+    Dbprintf("Uart.byteCntMax=%x, traceLen=%x, Uart.output[0]=%x", Uart.byteCntMax, traceLen, (int)Uart.output[0]);
     LED_A_OFF();
     LED_B_OFF();
        LED_C_OFF();
@@ -1048,9 +1045,9 @@ ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]);
     uint8_t *receivedCmd = (uint8_t *)BigBuf;
     int len;
 
-    int i;
-       int u;
-       uint8_t b;
+    //int i;
+       //int u;
+       //uint8_t b;
 
        // To control where we are in the protocol
        int order = 0;
@@ -1062,7 +1059,7 @@ ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]);
 
     int cmdsRecvd = 0;
 
-       int fdt_indicator;
+       //int fdt_indicator;
 
     memset(receivedCmd, 0x44, 400);
 
@@ -1113,7 +1110,7 @@ ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]);
        // doob - added loads of debug strings so we can see what the reader is saying to us during the sim as hi14alist is not populated
         // Okay, look at the command now.
         lastorder = order;
-               i = 1; // first byte transmitted
+               //i = 1; // first byte transmitted
         if(receivedCmd[0] == 0x26) {
                        // Received a REQUEST
                        resp = resp1; respLen = resp1Len; order = 1;
@@ -1194,7 +1191,7 @@ ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]);
                // Look at last parity bit to determine timing of answer
                if((Uart.parityBits & 0x01) || receivedCmd[0] == 0x52) {
                        // 1236, so correction bit needed
-                       i = 0;
+                       //i = 0;
                }
 
         memset(receivedCmd, 0x44, 32);
@@ -1209,9 +1206,9 @@ ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]);
 
         if(respLen <= 0) continue;
                //----------------------------
-               u = 0;
-               b = 0x00;
-               fdt_indicator = FALSE;
+               //u = 0;
+               //b = 0x00;
+               //fdt_indicator = FALSE;
 
                EmSendCmd14443aRaw(resp, respLen, receivedCmd[0] == 0x52);
 /*        // Modulate Manchester
@@ -1873,7 +1870,7 @@ void ReaderMifare(uint32_t parameter)
        byte_t nt_diff = 0;
        LED_A_OFF();
        byte_t par = 0;
-       byte_t par_mask = 0xff;
+       //byte_t par_mask = 0xff;
        byte_t par_low = 0;
        int led_on = TRUE;
        uint8_t uid[8];
@@ -1924,7 +1921,7 @@ void ReaderMifare(uint32_t parameter)
                        {
                                LED_A_ON();
                                memcpy(nt_attacked, nt, 4);
-                               par_mask = 0xf8;
+                               //par_mask = 0xf8;
                                par_low = par & 0x07;
                        }
 
@@ -1984,7 +1981,7 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        int cardSTATE = MFEMUL_NOFIELD;
        int _7BUID = 0;
        int vHf = 0;    // in mV
-       int nextCycleTimeout = 0;
+       //int nextCycleTimeout = 0;
        int res;
 //     uint32_t timer = 0;
        uint32_t selTimer = 0;
@@ -1994,10 +1991,10 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        uint8_t cardWRBL = 0;
        uint8_t cardAUTHSC = 0;
        uint8_t cardAUTHKEY = 0xff;  // no authentication
-       uint32_t cardRn = 0;
+       //uint32_t cardRn = 0;
        uint32_t cardRr = 0;
        uint32_t cuid = 0;
-       uint32_t rn_enc = 0;
+       //uint32_t rn_enc = 0;
        uint32_t ans = 0;
        uint32_t cardINTREG = 0;
        uint8_t cardINTBLOCK = 0;
@@ -2089,7 +2086,7 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                        if(res) break;
                }
                
-               nextCycleTimeout = 0;
+               //nextCycleTimeout = 0;
                
 //             if (len) Dbprintf("len:%d cmd: %02x %02x %02x %02x", len, receivedCmd[0], receivedCmd[1], receivedCmd[2], receivedCmd[3]);
 
@@ -2175,8 +2172,8 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                        case MFEMUL_AUTH1:{
                                if (len == 8) {
                                        // --- crypto
-                                       rn_enc = bytes_to_num(receivedCmd, 4);
-                                       cardRn = rn_enc ^ crypto1_word(pcs, rn_enc , 1);
+                                       //rn_enc = bytes_to_num(receivedCmd, 4);
+                                       //cardRn = rn_enc ^ crypto1_word(pcs, rn_enc , 1);
                                        cardRr = bytes_to_num(&receivedCmd[4], 4) ^ crypto1_word(pcs, 0, 0);
                                        // test if auth OK
                                        if (cardRr != prng_successor(nonce, 64)){
@@ -2223,7 +2220,7 @@ lbWORK:   if (len == 0) break;
 //                                             LogTrace(NULL, 0, GetDeltaCountUS(), 0, true);
 
                                                cardSTATE = MFEMUL_AUTH1;
-                                               nextCycleTimeout = 10;
+                                               //nextCycleTimeout = 10;
                                                break;
                                        }
                                } else {
@@ -2245,7 +2242,7 @@ lbWORK:   if (len == 0) break;
                                                // --- crypto
 
                                                cardSTATE = MFEMUL_AUTH1;
-                                               nextCycleTimeout = 10;
+                                               //nextCycleTimeout = 10;
                                                break;
                                        }
                                }
@@ -2283,7 +2280,7 @@ lbWORK:   if (len == 0) break;
                                                break;
                                        }
                                        EmSend4bit(mf_crypto1_encrypt4bit(pcs, CARD_ACK));
-                                       nextCycleTimeout = 50;
+                                       //nextCycleTimeout = 50;
                                        cardSTATE = MFEMUL_WRITEBL2;
                                        cardWRBL = receivedCmd[1];
                                        break;