]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iclass.c
Removed dupicate symbols
[proxmark3-svn] / armsrc / iclass.c
index 42fed888f8bab52be31877141cd365eec961aae8..4d005dbccd1d9772a3fd4408bd9c23a3a7732ff4 100644 (file)
 #include "util.h"
 #include "string.h"
 #include "common.h"
 #include "util.h"
 #include "string.h"
 #include "common.h"
+#include "cmd.h"
 // Needed for CRC in emulation mode;
 // same construction as in ISO 14443;
 // different initial value (CRC_ICLASS)
 #include "iso14443crc.h"
 // Needed for CRC in emulation mode;
 // same construction as in ISO 14443;
 // different initial value (CRC_ICLASS)
 #include "iso14443crc.h"
+#include "iso15693tools.h"
 
 static int timeout = 4096;
 
 
 static int timeout = 4096;
 
@@ -666,7 +668,12 @@ static RAMFUNC int ManchesterDecoding(int v)
 //-----------------------------------------------------------------------------
 void RAMFUNC SnoopIClass(void)
 {
 //-----------------------------------------------------------------------------
 void RAMFUNC SnoopIClass(void)
 {
-
+// DEFINED ABOVE
+// #define RECV_CMD_OFFSET   3032
+// #define RECV_RES_OFFSET   3096
+// #define DMA_BUFFER_OFFSET 3160
+// #define DMA_BUFFER_SIZE   4096
+// #define TRACE_SIZE        3000
 
     // We won't start recording the frames that we acquire until we trigger;
     // a good trigger condition to get started is probably when we see a
 
     // We won't start recording the frames that we acquire until we trigger;
     // a good trigger condition to get started is probably when we see a
@@ -676,10 +683,14 @@ void RAMFUNC SnoopIClass(void)
     // The command (reader -> tag) that we're receiving.
        // The length of a received command will in most cases be no more than 18 bytes.
        // So 32 should be enough!
     // The command (reader -> tag) that we're receiving.
        // The length of a received command will in most cases be no more than 18 bytes.
        // So 32 should be enough!
-       uint8_t *readerToTagCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
+    uint8_t *receivedCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
     // The response (tag -> reader) that we're receiving.
     // The response (tag -> reader) that we're receiving.
-       uint8_t *tagToReaderResponse = (((uint8_t *)BigBuf) + RECV_RES_OFFSET);
+    uint8_t *receivedResponse = (((uint8_t *)BigBuf) + RECV_RES_OFFSET);
 
 
+    // As we receive stuff, we copy it from receivedCmd or receivedResponse
+    // into trace, along with its length and other annotations.
+    //uint8_t *trace = (uint8_t *)BigBuf;
+    
     // reset traceLen to 0
     iso14a_set_tracing(TRUE);
     iso14a_clear_trace();
     // reset traceLen to 0
     iso14a_set_tracing(TRUE);
     iso14a_clear_trace();
@@ -700,7 +711,7 @@ void RAMFUNC SnoopIClass(void)
     memset(trace, 0x44, RECV_CMD_OFFSET);
 
     // Set up the demodulator for tag -> reader responses.
     memset(trace, 0x44, RECV_CMD_OFFSET);
 
     // Set up the demodulator for tag -> reader responses.
-       Demod.output = tagToReaderResponse;
+    Demod.output = receivedResponse;
     Demod.len = 0;
     Demod.state = DEMOD_UNSYNCD;
 
     Demod.len = 0;
     Demod.state = DEMOD_UNSYNCD;
 
@@ -712,7 +723,7 @@ void RAMFUNC SnoopIClass(void)
 
     // And the reader -> tag commands
     memset(&Uart, 0, sizeof(Uart));
 
     // And the reader -> tag commands
     memset(&Uart, 0, sizeof(Uart));
-       Uart.output = readerToTagCmd;
+    Uart.output = receivedCmd;
     Uart.byteCntMax = 32; // was 100 (greg)////////////////////////////////////////////////////////////////////////
     Uart.state = STATE_UNSYNCD;
 
     Uart.byteCntMax = 32; // was 100 (greg)////////////////////////////////////////////////////////////////////////
     Uart.state = STATE_UNSYNCD;
 
@@ -755,13 +766,20 @@ void RAMFUNC SnoopIClass(void)
 
         //samples += 4;
        samples += 1;
 
         //samples += 4;
        samples += 1;
+       //div2++;       
 
 
+       //if(div2 > 3) {
+               //div2 = 0;
+       //decbyte ^= ((smpl & 0x01) << (3 - div));
+       //decbyte ^= (((smpl & 0x01) | ((smpl & 0x02) >> 1)) << (3 - div)); // better already...
+       //decbyte ^= (((smpl & 0x01) | ((smpl & 0x02) >> 1) | ((smpl & 0x04) >> 2)) << (3 - div)); // even better...
        if(smpl & 0xF) {
                decbyte ^= (1 << (3 - div));
        }
        if(smpl & 0xF) {
                decbyte ^= (1 << (3 - div));
        }
+       //decbyte ^= (MajorityNibble[(smpl & 0x0F)] << (3 - div));
        
        // FOR READER SIDE COMMUMICATION...
        
        // FOR READER SIDE COMMUMICATION...
-
+       //decbyte ^=  ((smpl & 0x10) << (3 - div));
        decbyter <<= 2;
        decbyter ^= (smpl & 0x30);
 
        decbyter <<= 2;
        decbyter ^= (smpl & 0x30);
 
@@ -772,11 +790,21 @@ void RAMFUNC SnoopIClass(void)
                if(OutOfNDecoding((smpl & 0xF0) >> 4)) {
                    rsamples = samples - Uart.samples;
                    LED_C_ON();
                if(OutOfNDecoding((smpl & 0xF0) >> 4)) {
                    rsamples = samples - Uart.samples;
                    LED_C_ON();
-
-                       if(!LogTrace(readerToTagCmd,Uart.byteCnt, rsamples, Uart.parityBits,TRUE)) break;
-                       //if(!LogTrace(NULL, 0, Uart.endTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER, 0, TRUE)) break;
-
-                       /* And ready to receive another command. */
+                   //if(triggered) {
+                       trace[traceLen++] = ((rsamples >>  0) & 0xff);
+                       trace[traceLen++] = ((rsamples >>  8) & 0xff);
+                       trace[traceLen++] = ((rsamples >> 16) & 0xff);
+                       trace[traceLen++] = ((rsamples >> 24) & 0xff);
+                       trace[traceLen++] = ((Uart.parityBits >>  0) & 0xff);
+                       trace[traceLen++] = ((Uart.parityBits >>  8) & 0xff);
+                       trace[traceLen++] = ((Uart.parityBits >> 16) & 0xff);
+                       trace[traceLen++] = ((Uart.parityBits >> 24) & 0xff);
+                       trace[traceLen++] = Uart.byteCnt;
+                       memcpy(trace+traceLen, receivedCmd, Uart.byteCnt);
+                       traceLen += Uart.byteCnt;
+                       if(traceLen > TRACE_SIZE) break;
+                   //}
+                   /* And ready to receive another command. */
                    Uart.state = STATE_UNSYNCD;
                    /* And also reset the demod code, which might have been */
                    /* false-triggered by the commands from the reader. */
                    Uart.state = STATE_UNSYNCD;
                    /* And also reset the demod code, which might have been */
                    /* false-triggered by the commands from the reader. */
@@ -793,13 +821,26 @@ void RAMFUNC SnoopIClass(void)
                    rsamples = samples - Demod.samples;
                    LED_B_ON();
 
                    rsamples = samples - Demod.samples;
                    LED_B_ON();
 
-                       if(!LogTrace(tagToReaderResponse,Demod.len, rsamples, Demod.parityBits,FALSE)) break;
-                       //if (!LogTrace(NULL, 0, Demod.endTime*16 - DELAY_TAG_AIR2ARM_AS_SNIFFER, 0, FALSE)) break;
-
+                   // timestamp, as a count of samples
+                   trace[traceLen++] = ((rsamples >>  0) & 0xff);
+                   trace[traceLen++] = ((rsamples >>  8) & 0xff);
+                   trace[traceLen++] = ((rsamples >> 16) & 0xff);
+                   trace[traceLen++] = 0x80 | ((rsamples >> 24) & 0xff);
+                   trace[traceLen++] = ((Demod.parityBits >>  0) & 0xff);
+                   trace[traceLen++] = ((Demod.parityBits >>  8) & 0xff);
+                   trace[traceLen++] = ((Demod.parityBits >> 16) & 0xff);
+                   trace[traceLen++] = ((Demod.parityBits >> 24) & 0xff);
+                   // length
+                   trace[traceLen++] = Demod.len;
+                   memcpy(trace+traceLen, receivedResponse, Demod.len);
+                   traceLen += Demod.len;
+                   if(traceLen > TRACE_SIZE) break;
+
+                   //triggered = TRUE;
 
                    // And ready to receive another response.
                    memset(&Demod, 0, sizeof(Demod));
 
                    // And ready to receive another response.
                    memset(&Demod, 0, sizeof(Demod));
-                       Demod.output = tagToReaderResponse;
+                   Demod.output = receivedResponse;
                    Demod.state = DEMOD_UNSYNCD;
                    LED_C_OFF();
                }
                    Demod.state = DEMOD_UNSYNCD;
                    LED_C_OFF();
                }
@@ -947,72 +988,32 @@ static void CodeIClassTagSOF()
        ToSendMax++;
 }
 
        ToSendMax++;
 }
 
-/**
- * @brief SimulateIClass simulates an iClass card.
- * @param arg0 type of simulation
- *                     - 0 uses the first 8 bytes in usb data as CSN
- *                     - 2 "dismantling iclass"-attack. This mode iterates through all CSN's specified
- *                     in the usb data. This mode collects MAC from the reader, in order to do an offline
- *                     attack on the keys. For more info, see "dismantling iclass" and proxclone.com.
- *                     - Other : Uses the default CSN (031fec8af7ff12e0)
- * @param arg1 - number of CSN's contained in datain (applicable for mode 2 only)
- * @param arg2
- * @param datain
- */
-void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain)
+//-----------------------------------------------------------------------------
+// Simulate iClass Card
+// Only CSN (Card Serial Number)
+// 
+//-----------------------------------------------------------------------------
+void SimulateIClass(uint8_t arg0, uint8_t *datain)
 {
 {
-       uint32_t simType = arg0;
-       uint32_t numberOfCSNS = arg1;
-
-       // Enable and clear the trace
-       iso14a_set_tracing(TRUE);
-       iso14a_clear_trace();
+       uint8_t simType = arg0;
 
 
-       uint8_t csn_crc[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 };
-
-       if(simType == 0) {
-               // Use the CSN from commandline
-               memcpy(csn_crc, datain, 8);
-               doIClassSimulation(csn_crc,0);
-       }else if(simType == 1)
-       {
-               doIClassSimulation(csn_crc,0);
-       }
-       else if(simType == 2)
-       {
-               Dbprintf("Going into attack mode");
-               // In this mode, a number of csns are within datain. We'll simulate each one, one at a time
-               // in order to collect MAC's from the reader. This can later be used in an offlne-attack
-               // in order to obtain the keys, as in the "dismantling iclass"-paper.
-               for(int i = 0 ; i < numberOfCSNS && i*8+8 < USB_CMD_DATA_SIZE; i++)
-               {
-                       // The usb data is 512 bytes, fitting 65 8-byte CSNs in there.
-
-                       memcpy(csn_crc, datain+(i*8), 8);
-                       doIClassSimulation(csn_crc,1);
-               }
-       }else{
-               // We may want a mode here where we hardcode the csns to use (from proxclone).
-               // That will speed things up a little, but not required just yet.
-               Dbprintf("The mode is not implemented, reserved for future use");
-       }
+  // Enable and clear the trace
+       tracing = TRUE;
+       traceLen = 0;
+  memset(trace, 0x44, TRACE_SIZE);
 
 
-}
-/**
- * @brief Does the actual simulation
- * @param csn - csn to use
- * @param breakAfterMacReceived if true, returns after reader MAC has been received.
- */
-void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
-{
        // CSN followed by two CRC bytes
        uint8_t response2[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
        // CSN followed by two CRC bytes
        uint8_t response2[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-       uint8_t response3[] = { 0,0,0,0,0,0,0,0,0,0};
-       memcpy(response3,csn,sizeof(response3));
+       uint8_t response3[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 };
 
        // e-Purse
        uint8_t response4[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
 
        // e-Purse
        uint8_t response4[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
+       if(simType == 0) {
+               // Use the CSN from commandline
+               memcpy(response3, datain, 8);
+       }
+
        // Construct anticollision-CSN
        rotateCSN(response3,response2);
 
        // Construct anticollision-CSN
        rotateCSN(response3,response2);
 
@@ -1020,7 +1021,6 @@ void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
        ComputeCrc14443(CRC_ICLASS, response2, 8, &response2[8], &response2[9]);
        ComputeCrc14443(CRC_ICLASS, response3, 8, &response3[8], &response3[9]);
 
        ComputeCrc14443(CRC_ICLASS, response2, 8, &response2[8], &response2[9]);
        ComputeCrc14443(CRC_ICLASS, response3, 8, &response3[8], &response3[9]);
 
-       int exitLoop = 0;
        // Reader 0a
        // Tag    0f
        // Reader 0c
        // Reader 0a
        // Tag    0f
        // Reader 0c
@@ -1054,7 +1054,7 @@ void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
        int resp4Len;
 
        // + 1720..
        int resp4Len;
 
        // + 1720..
-       uint8_t *receivedCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
+  uint8_t *receivedCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
        memset(receivedCmd, 0x44, RECV_CMD_SIZE);
        int len;
 
        memset(receivedCmd, 0x44, RECV_CMD_SIZE);
        int len;
 
@@ -1085,7 +1085,7 @@ void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
        int cmdsRecvd = 0;
 
        LED_A_ON();
        int cmdsRecvd = 0;
 
        LED_A_ON();
-       while(!exitLoop) {
+       for(;;) {
                LED_B_OFF();
                if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) {
                        DbpString("button press");
                LED_B_OFF();
                if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) {
                        DbpString("button press");
@@ -1093,13 +1093,13 @@ void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
                }
 
                // Okay, look at the command now.
                }
 
                // Okay, look at the command now.
-               if(receivedCmd[0] == 0x0a || receivedCmd[0] == 0x26) {
+               if(receivedCmd[0] == 0x0a) {
                        // Reader in anticollission phase
                        resp = resp1; respLen = resp1Len; //order = 1;
                        respdata = &sof;
                        respsize = sizeof(sof);
                        //resp = resp2; respLen = resp2Len; order = 2;
                        // Reader in anticollission phase
                        resp = resp1; respLen = resp1Len; //order = 1;
                        respdata = &sof;
                        respsize = sizeof(sof);
                        //resp = resp2; respLen = resp2Len; order = 2;
-                       Dbprintf("Hello request from reader, %02x, tracing=%d", receivedCmd[0], tracing);
+                       //DbpString("Hello request from reader:");
                } else if(receivedCmd[0] == 0x0c) {
                        // Reader asks for anticollission CSN
                        resp = resp2; respLen = resp2Len; //order = 2;
                } else if(receivedCmd[0] == 0x0c) {
                        // Reader asks for anticollission CSN
                        resp = resp2; respLen = resp2Len; //order = 2;
@@ -1121,28 +1121,30 @@ void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
                        LED_B_ON();
                } else if(receivedCmd[0] == 0x05) {
                        // Reader random and reader MAC!!!
                        LED_B_ON();
                } else if(receivedCmd[0] == 0x05) {
                        // Reader random and reader MAC!!!
+                       // Lets store this ;-)
+/*
+                       Dbprintf("                CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
+                       response3[0], response3[1], response3[2],
+                       response3[3], response3[4], response3[5],
+                       response3[6], response3[7]);
+*/                     
+                       Dbprintf("READER AUTH (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",
+                       len,
+                       receivedCmd[0], receivedCmd[1], receivedCmd[2],
+                       receivedCmd[3], receivedCmd[4], receivedCmd[5],
+                       receivedCmd[6], receivedCmd[7], receivedCmd[8]);
+
                        // Do not respond
                        // We do not know what to answer, so lets keep quit
                        resp = resp1; respLen = 0; //order = 5;
                        respdata = NULL;
                        respsize = 0;
                        // Do not respond
                        // We do not know what to answer, so lets keep quit
                        resp = resp1; respLen = 0; //order = 5;
                        respdata = NULL;
                        respsize = 0;
-                       if (breakAfterMacReceived){
-                               // TODO, actually return this to the caller instead of just
-                               // dbprintf:ing ...
-                               Dbprintf("CSN: %02x %02x %02x %02x %02x %02x %02x %02x");
-                               Dbprintf("RDR:  (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",len,
-                                                receivedCmd[0], receivedCmd[1], receivedCmd[2],
-                                               receivedCmd[3], receivedCmd[4], receivedCmd[5],
-                                               receivedCmd[6], receivedCmd[7], receivedCmd[8]);
-                               exitLoop = true;
-                       }
                } else if(receivedCmd[0] == 0x00 && len == 1) {
                        // Reader ends the session
                        resp = resp1; respLen = 0; //order = 0;
                        respdata = NULL;
                        respsize = 0;
                } else {
                } else if(receivedCmd[0] == 0x00 && len == 1) {
                        // Reader ends the session
                        resp = resp1; respLen = 0; //order = 0;
                        respdata = NULL;
                        respsize = 0;
                } else {
-                       //#db# Unknown command received from reader (len=5): 26 1 0 f6 a 44 44 44 44
                        // Never seen this command before
                        Dbprintf("Unknown command received from reader (len=%d): %x %x %x %x %x %x %x %x %x",
                        len,
                        // Never seen this command before
                        Dbprintf("Unknown command received from reader (len=%d): %x %x %x %x %x %x %x %x %x",
                        len,
@@ -1168,22 +1170,16 @@ void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
                }
                
                if (tracing) {
                }
                
                if (tracing) {
-                       //LogTrace(receivedCmd,len, rsamples, Uart.parityBits, TRUE);
-                       if(!LogTrace(receivedCmd,len, rsamples, Uart.parityBits,TRUE))
-                       {
+                       LogTrace(receivedCmd,len, rsamples, Uart.parityBits, TRUE);
+                       if (respdata != NULL) {
+                               LogTrace(respdata,respsize, rsamples, SwapBits(GetParity(respdata,respsize),respsize), FALSE);
+                       }
+                       if(traceLen > TRACE_SIZE) {
                                DbpString("Trace full");
                                break;
                        }
                                DbpString("Trace full");
                                break;
                        }
-
-                       if (respdata != NULL) {
-                               //LogTrace(respdata,respsize, rsamples, SwapBits(GetParity(respdata,respsize),respsize), FALSE);
-                               if(!LogTrace(respdata,respsize, rsamples,SwapBits(GetParity(respdata,respsize),respsize),FALSE))
-                               {
-                                       DbpString("Trace full");
-                                       break;
-                               }
-                       }
                }
                }
+
                memset(receivedCmd, 0x44, RECV_CMD_SIZE);
        }
 
                memset(receivedCmd, 0x44, RECV_CMD_SIZE);
        }
 
@@ -1428,7 +1424,7 @@ void ReaderIClass(uint8_t arg0) {
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
 
        // Reset trace buffer
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
 
        // Reset trace buffer
-       memset(trace, 0x44, RECV_CMD_OFFSET);
+       memset(trace, 0x44, RECV_CMD_OFFSET);
        traceLen = 0;
 
        // Setup SSC
        traceLen = 0;
 
        // Setup SSC
@@ -1482,4 +1478,245 @@ void ReaderIClass(uint8_t arg0) {
        LED_A_OFF();
 }
 
        LED_A_OFF();
 }
 
+void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
+       uint8_t act_all[]     = { 0x0a };
+       uint8_t identify[]    = { 0x0c };
+       uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       uint8_t readcheck_cc[]= { 0x88, 0x02 };
+       uint8_t check[]       = { 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       uint8_t read[]        = { 0x0c, 0x00, 0x00, 0x00 };
+       
+    uint16_t crc = 0;
+       uint8_t cardsize=0;
+       bool read_success=false;
+       uint8_t mem=0;
+       
+       static struct memory_t{
+         int k16;
+         int book;
+         int k2;
+         int lockauth;
+         int keyaccess;
+       } memory;
+       
+       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
+
+       // Reset trace buffer
+    memset(trace, 0x44, RECV_CMD_OFFSET);
+       traceLen = 0;
+
+       // Setup SSC
+       FpgaSetupSsc();
+       // Start from off (no field generated)
+       // Signal field is off with the appropriate LED
+       LED_D_OFF();
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);
+
+       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+
+       // Now give it time to spin up.
+       // Signal field is on with the appropriate LED
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+       SpinDelay(200);
+
+       LED_A_ON();
+
+       for(int i=0;i<1;i++) {
+       
+               if(traceLen > TRACE_SIZE) {
+                       DbpString("Trace full");
+                       break;
+               }
+               
+               if (BUTTON_PRESS()) break;
+
+               // Send act_all
+               ReaderTransmitIClass(act_all, 1);
+               // Card present?
+               if(ReaderReceiveIClass(resp)) {
+                       ReaderTransmitIClass(identify, 1);
+                       if(ReaderReceiveIClass(resp) == 10) {
+                               // Select card          
+                               memcpy(&select[1],resp,8);
+                               ReaderTransmitIClass(select, sizeof(select));
+
+                               if(ReaderReceiveIClass(resp) == 10) {
+                                       Dbprintf("     Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
+                               }
+                               // Card selected
+                               Dbprintf("Readcheck on Sector 2");
+                               ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
+                               if(ReaderReceiveIClass(resp) == 8) {
+                                  Dbprintf("     CC: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
+                               }else return;
+                               Dbprintf("Authenticate");
+                               //for now replay captured auth (as cc not updated)
+                               memcpy(check+5,MAC,4);
+                               Dbprintf("     AA: %02x %02x %02x %02x",
+                                       check[5], check[6], check[7],check[8]);
+                               ReaderTransmitIClass(check, sizeof(check));
+                               if(ReaderReceiveIClass(resp) == 4) {
+                                  Dbprintf("     AR: %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],resp[3]);
+                               }else {
+                                 Dbprintf("Error: Authentication Fail!");
+                                 return;
+                               }
+                               Dbprintf("Dump Contents");
+                               //first get configuration block
+                               read_success=false;
+                               read[1]=1;
+                               uint8_t *blockno=&read[1];
+                               crc = iclass_crc16((char *)blockno,1);
+                               read[2] = crc >> 8;
+                               read[3] = crc & 0xff;
+                               while(!read_success){
+                                     ReaderTransmitIClass(read, sizeof(read));
+                                     if(ReaderReceiveIClass(resp) == 10) {
+                                        read_success=true;
+                                        mem=resp[5];
+                                        memory.k16= (mem & 0x80);
+                                        memory.book= (mem & 0x20);
+                                        memory.k2= (mem & 0x8);
+                                        memory.lockauth= (mem & 0x2);
+                                        memory.keyaccess= (mem & 0x1);
+
+                                     }
+                               }
+                               if (memory.k16){
+                                 cardsize=255;
+                               }else cardsize=32;
+                               //then loop around remaining blocks
+                               for(uint8_t j=0; j<cardsize; j++){
+                                   read_success=false;
+                                   uint8_t *blockno=&j;
+                                   //crc_data[0]=j;
+                                   read[1]=j;
+                                   crc = iclass_crc16((char *)blockno,1);
+                                   read[2] = crc >> 8;
+                                   read[3] = crc & 0xff;
+                                   while(!read_success){
+                                     ReaderTransmitIClass(read, sizeof(read));
+                                     if(ReaderReceiveIClass(resp) == 10) {
+                                        read_success=true;
+                                        Dbprintf("     %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                         j, resp[0], resp[1], resp[2],
+                                         resp[3], resp[4], resp[5],
+                                         resp[6], resp[7]);
+                                     }
+                                   }
+                               }
+                       }
+               }
+               WDT_HIT();
+       }
+       
+       LED_A_OFF();
+}
+
+//1. Create Method to Read sectors/blocks 0,1,2 and Send to client
+void IClass_iso14443A_GetPublic(uint8_t arg0) {
+       uint8_t act_all[]     = { 0x0a };
+       uint8_t identify[]    = { 0x0c };
+       uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       uint8_t readcheck_cc[]= { 0x88, 0x02 }; 
+       //uint8_t read[]        = { 0x0c, 0x00, 0x00, 0x00 };   
+       uint8_t card_data[24]={0};
+       
+       //bool read_success=false;
+       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
+
+       // Reset trace buffer
+    memset(trace, 0x44, RECV_CMD_OFFSET);
+       traceLen = 0;
+
+       // Setup SSC
+       FpgaSetupSsc();
+       // Start from off (no field generated)
+       // Signal field is off with the appropriate LED
+       LED_D_OFF();
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);
+
+       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+
+       // Now give it time to spin up.
+       // Signal field is on with the appropriate LED
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+       SpinDelay(200);
+
+       LED_A_ON();
+
+       for(int i=0;i<1;i++) {
+       
+               if(traceLen > TRACE_SIZE) {
+                       DbpString("Trace full");
+                       break;
+               }
+               
+               if (BUTTON_PRESS()) break;
+
+               // Send act_all
+               ReaderTransmitIClass(act_all, 1);
+               // Card present?
+               if(ReaderReceiveIClass(resp)) {
+                       ReaderTransmitIClass(identify, 1);
+                       if(ReaderReceiveIClass(resp) == 10) {
+                               // Select card          
+                               memcpy(&select[1],resp,8);
+                               ReaderTransmitIClass(select, sizeof(select));
+
+                               if(ReaderReceiveIClass(resp) == 10) {
+                                       Dbprintf("     Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
+                               }
+                               memcpy(card_data,resp,8);
+                               // Card selected
+                               Dbprintf("Readcheck on Sector 2");
+                               ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
+                               if(ReaderReceiveIClass(resp) == 8) {
+                                  Dbprintf("     CC: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
+                               }
+                               memcpy(card_data+8,resp,8);
+                               //prep to read config block
+                               /*  read card configuration block
+                                 while(!read_success){
+                                 uint8_t sector_config=0x01;
+                                 memcpy(read+1,&sector_config,1);
+                                 ReaderTransmitIClass(read, sizeof(read));
+                                 if(ReaderReceiveIClass(resp) == 8) {
+                                   Dbprintf("     CC: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
+                                       read_success=true;
+                    memcpy(card_data+16,resp,8);
+                                 }
+                               }*/
+                       }
+               }
+               WDT_HIT();
+       }
+       //Dbprintf("DEBUG: %02x%02x%02x%02x%02x%02x%02x%02x",card_data[0],card_data[1],card_data[2],card_data[3],card_data[4],card_data[5],card_data[6],card_data[7]);
+       //Dbprintf("DEBUG: %02x%02x%02x%02x%02x%02x%02x%02x",card_data[8],card_data[9],card_data[10],card_data[11],card_data[12],card_data[13],card_data[14],card_data[15]);
+       LED_A_OFF();
+       LED_B_ON();
+       //send data back to the client
+    cmd_send(CMD_ACK,0,0,0,card_data,16);
+       LED_B_OFF();
+}
+
+//TODO: Create Write method
 
 
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