]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iclass.c
Removed dupicate symbols
[proxmark3-svn] / armsrc / iclass.c
index e4b1a48854d68cc083cd381e294748f6d8b2db0b..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;
 
@@ -60,22 +62,6 @@ static int timeout = 4096;
 #define        SEC_Y 0x00
 #define        SEC_Z 0xc0
 
 #define        SEC_Y 0x00
 #define        SEC_Z 0xc0
 
-// SAME AS IN iso14443a.
-#define RECV_CMD_OFFSET   3032
-#define RECV_RES_OFFSET   3096
-#define DMA_BUFFER_OFFSET 3160
-#define DMA_BUFFER_SIZE   4096
-#define TRACE_LENGTH      3000
-
-uint32_t SwapBits(uint32_t value, int nrbits) {
-       int i;
-       uint32_t newvalue = 0;
-       for(i = 0; i < nrbits; i++) {
-               newvalue ^= ((value >> i) & 1) << (nrbits - 1 - i);
-       }
-       return newvalue;
-}
-
 static int SendIClassAnswer(uint8_t *resp, int respLen, int delay);
 
 //-----------------------------------------------------------------------------
 static int SendIClassAnswer(uint8_t *resp, int respLen, int delay);
 
 //-----------------------------------------------------------------------------
@@ -687,7 +673,7 @@ void RAMFUNC SnoopIClass(void)
 // #define RECV_RES_OFFSET   3096
 // #define DMA_BUFFER_OFFSET 3160
 // #define DMA_BUFFER_SIZE   4096
 // #define RECV_RES_OFFSET   3096
 // #define DMA_BUFFER_OFFSET 3160
 // #define DMA_BUFFER_SIZE   4096
-// #define TRACE_LENGTH      3000
+// #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
@@ -707,7 +693,7 @@ void RAMFUNC SnoopIClass(void)
     
     // reset traceLen to 0
     iso14a_set_tracing(TRUE);
     
     // reset traceLen to 0
     iso14a_set_tracing(TRUE);
-    iso14a_clear_tracelen();
+    iso14a_clear_trace();
     iso14a_set_trigger(FALSE);
 
     // The DMA buffer, used to stream samples from the FPGA
     iso14a_set_trigger(FALSE);
 
     // The DMA buffer, used to stream samples from the FPGA
@@ -816,7 +802,7 @@ void RAMFUNC SnoopIClass(void)
                        trace[traceLen++] = Uart.byteCnt;
                        memcpy(trace+traceLen, receivedCmd, Uart.byteCnt);
                        traceLen += Uart.byteCnt;
                        trace[traceLen++] = Uart.byteCnt;
                        memcpy(trace+traceLen, receivedCmd, Uart.byteCnt);
                        traceLen += Uart.byteCnt;
-                       if(traceLen > TRACE_LENGTH) break;
+                       if(traceLen > TRACE_SIZE) break;
                    //}
                    /* And ready to receive another command. */
                    Uart.state = STATE_UNSYNCD;
                    //}
                    /* And ready to receive another command. */
                    Uart.state = STATE_UNSYNCD;
@@ -848,7 +834,7 @@ void RAMFUNC SnoopIClass(void)
                    trace[traceLen++] = Demod.len;
                    memcpy(trace+traceLen, receivedResponse, Demod.len);
                    traceLen += Demod.len;
                    trace[traceLen++] = Demod.len;
                    memcpy(trace+traceLen, receivedResponse, Demod.len);
                    traceLen += Demod.len;
-                   if(traceLen > TRACE_LENGTH) break;
+                   if(traceLen > TRACE_SIZE) break;
 
                    //triggered = TRUE;
 
 
                    //triggered = TRUE;
 
@@ -1011,6 +997,11 @@ void SimulateIClass(uint8_t arg0, uint8_t *datain)
 {
        uint8_t simType = arg0;
 
 {
        uint8_t simType = arg0;
 
+  // Enable and clear the trace
+       tracing = TRUE;
+       traceLen = 0;
+  memset(trace, 0x44, TRACE_SIZE);
+
        // CSN followed by two CRC bytes
        uint8_t response2[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
        uint8_t response3[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 };
        // CSN followed by two CRC bytes
        uint8_t response2[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
        uint8_t response3[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 };
@@ -1037,31 +1028,34 @@ void SimulateIClass(uint8_t arg0, uint8_t *datain)
        // Reader 81 anticoll. CSN
        // Tag    CSN
 
        // Reader 81 anticoll. CSN
        // Tag    CSN
 
-        uint8_t *resp;
-        int respLen;
+       uint8_t *resp;
+       int respLen;
+       uint8_t* respdata = NULL;
+       int respsize = 0;
+       uint8_t sof = 0x0f;
 
        // Respond SOF -- takes 8 bytes
 
        // Respond SOF -- takes 8 bytes
-       uint8_t *resp1 = (((uint8_t *)BigBuf) + 800);
+       uint8_t *resp1 = (((uint8_t *)BigBuf) + FREE_BUFFER_OFFSET);
        int resp1Len;
 
        // Anticollision CSN (rotated CSN)
        // 176: Takes 16 bytes for SOF/EOF and 10 * 16 = 160 bytes (2 bytes/bit)
        int resp1Len;
 
        // Anticollision CSN (rotated CSN)
        // 176: Takes 16 bytes for SOF/EOF and 10 * 16 = 160 bytes (2 bytes/bit)
-       uint8_t *resp2 = (((uint8_t *)BigBuf) + 810);
+       uint8_t *resp2 = (((uint8_t *)BigBuf) + FREE_BUFFER_OFFSET + 10);
        int resp2Len;
 
        // CSN
        // 176: Takes 16 bytes for SOF/EOF and 10 * 16 = 160 bytes (2 bytes/bit)
        int resp2Len;
 
        // CSN
        // 176: Takes 16 bytes for SOF/EOF and 10 * 16 = 160 bytes (2 bytes/bit)
-       uint8_t *resp3 = (((uint8_t *)BigBuf) + 990);
+       uint8_t *resp3 = (((uint8_t *)BigBuf) + FREE_BUFFER_OFFSET + 190);
        int resp3Len;
 
        // e-Purse
        // 144: Takes 16 bytes for SOF/EOF and 8 * 16 = 128 bytes (2 bytes/bit)
        int resp3Len;
 
        // e-Purse
        // 144: Takes 16 bytes for SOF/EOF and 8 * 16 = 128 bytes (2 bytes/bit)
-       uint8_t *resp4 = (((uint8_t *)BigBuf) + 1170);
+       uint8_t *resp4 = (((uint8_t *)BigBuf) + FREE_BUFFER_OFFSET + 370);
        int resp4Len;
 
        // + 1720..
        int resp4Len;
 
        // + 1720..
-       uint8_t *receivedCmd = (uint8_t *)BigBuf;
-       memset(receivedCmd, 0x44, 400);
+  uint8_t *receivedCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
+       memset(receivedCmd, 0x44, RECV_CMD_SIZE);
        int len;
 
        // Prepare card messages
        int len;
 
        // Prepare card messages
@@ -1094,36 +1088,46 @@ void SimulateIClass(uint8_t arg0, uint8_t *datain)
        for(;;) {
                LED_B_OFF();
                if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) {
        for(;;) {
                LED_B_OFF();
                if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) {
-                       DbpString("button press");
+                       DbpString("button press");
                        break;
                        break;
-                       }
+               }
 
 
-               // Okay, look at the command now.
-               if(receivedCmd[0] == 0x0a) {
+               // Okay, look at the command now.
+               if(receivedCmd[0] == 0x0a) {
                        // Reader in anticollission phase
                        resp = resp1; respLen = resp1Len; //order = 1;
                        // Reader in anticollission phase
                        resp = resp1; respLen = resp1Len; //order = 1;
+                       respdata = &sof;
+                       respsize = sizeof(sof);
                        //resp = resp2; respLen = resp2Len; order = 2;
                        //DbpString("Hello request from reader:");
                } else if(receivedCmd[0] == 0x0c) {
                        // Reader asks for anticollission CSN
                        resp = resp2; respLen = resp2Len; //order = 2;
                        //resp = resp2; respLen = resp2Len; order = 2;
                        //DbpString("Hello request from reader:");
                } else if(receivedCmd[0] == 0x0c) {
                        // Reader asks for anticollission CSN
                        resp = resp2; respLen = resp2Len; //order = 2;
+                       respdata = response2;
+                       respsize = sizeof(response2);
                        //DbpString("Reader requests anticollission CSN:");
                } else if(receivedCmd[0] == 0x81) {
                        // Reader selects anticollission CSN.
                        // Tag sends the corresponding real CSN
                        resp = resp3; respLen = resp3Len; //order = 3;
                        //DbpString("Reader requests anticollission CSN:");
                } else if(receivedCmd[0] == 0x81) {
                        // Reader selects anticollission CSN.
                        // Tag sends the corresponding real CSN
                        resp = resp3; respLen = resp3Len; //order = 3;
+                       respdata = response3;
+                       respsize = sizeof(response3);
                        //DbpString("Reader selects anticollission CSN:");
                } else if(receivedCmd[0] == 0x88) {
                        // Read e-purse (88 02)
                        resp = resp4; respLen = resp4Len; //order = 4;
                        //DbpString("Reader selects anticollission CSN:");
                } else if(receivedCmd[0] == 0x88) {
                        // Read e-purse (88 02)
                        resp = resp4; respLen = resp4Len; //order = 4;
+                       respdata = response4;
+                       respsize = sizeof(response4);
                        LED_B_ON();
                } else if(receivedCmd[0] == 0x05) {
                        // Reader random and reader MAC!!!
                        // Lets store this ;-)
                        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("                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],
                        Dbprintf("READER AUTH (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",
                        len,
                        receivedCmd[0], receivedCmd[1], receivedCmd[2],
@@ -1133,15 +1137,14 @@ void SimulateIClass(uint8_t arg0, uint8_t *datain)
                        // Do not respond
                        // We do not know what to answer, so lets keep quit
                        resp = resp1; respLen = 0; //order = 5;
                        // Do not respond
                        // We do not know what to answer, so lets keep quit
                        resp = resp1; respLen = 0; //order = 5;
+                       respdata = NULL;
+                       respsize = 0;
                } else if(receivedCmd[0] == 0x00 && len == 1) {
                        // Reader ends the session
                        resp = resp1; respLen = 0; //order = 0;
                } else if(receivedCmd[0] == 0x00 && len == 1) {
                        // Reader ends the session
                        resp = resp1; respLen = 0; //order = 0;
-/*             } else if(receivedCmd[0] == 0x50) {
-                       // Received a HALT
-                       resp = resp1; respLen = 0; order = 5; // Do nothing
-                       DbpString("Reader requested we HALT!:");
-*/
-               } else {
+                       respdata = NULL;
+                       respsize = 0;
+               } else {
                        // 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,
@@ -1150,10 +1153,10 @@ void SimulateIClass(uint8_t arg0, uint8_t *datain)
                        receivedCmd[6], receivedCmd[7], receivedCmd[8]);
                        // Do not respond
                        resp = resp1; respLen = 0; //order = 0;
                        receivedCmd[6], receivedCmd[7], receivedCmd[8]);
                        // Do not respond
                        resp = resp1; respLen = 0; //order = 0;
+                       respdata = NULL;
+                       respsize = 0;
                }
 
                }
 
-               memset(receivedCmd, 0x44, 32);
-
                if(cmdsRecvd > 999) {
                        DbpString("1000 commands later...");
                        break;
                if(cmdsRecvd > 999) {
                        DbpString("1000 commands later...");
                        break;
@@ -1162,10 +1165,23 @@ void SimulateIClass(uint8_t arg0, uint8_t *datain)
                        cmdsRecvd++;
                }
 
                        cmdsRecvd++;
                }
 
-               if(respLen <= 0) continue;
+               if(respLen > 0) {
+                       SendIClassAnswer(resp, respLen, 21);
+               }
+               
+               if (tracing) {
+                       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;
+                       }
+               }
 
 
-               SendIClassAnswer(resp, respLen, 21);
-    }
+               memset(receivedCmd, 0x44, RECV_CMD_SIZE);
+       }
 
        Dbprintf("%x", cmdsRecvd);
        LED_A_OFF();
 
        Dbprintf("%x", cmdsRecvd);
        LED_A_OFF();
@@ -1335,7 +1351,7 @@ void ReaderTransmitIClass(uint8_t* frame, int len)
        LED_A_ON();
 
   // Store reader command in buffer
        LED_A_ON();
 
   // Store reader command in buffer
-  if (tracing) LogTrace(frame,len,0,par,TRUE);
+  if (tracing) LogTrace(frame,len,rsamples,par,TRUE);
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------
@@ -1393,7 +1409,8 @@ int ReaderReceiveIClass(uint8_t* receivedAnswer)
 {
   int samples = 0;
   if (!GetIClassAnswer(receivedAnswer,160,&samples,0)) return FALSE;
 {
   int samples = 0;
   if (!GetIClassAnswer(receivedAnswer,160,&samples,0)) return FALSE;
-  if (tracing) LogTrace(receivedAnswer,Demod.len,samples,Demod.parityBits,FALSE);
+  rsamples += samples;
+  if (tracing) LogTrace(receivedAnswer,Demod.len,rsamples,Demod.parityBits,FALSE);
   if(samples == 0) return FALSE;
   return Demod.len;
 }
   if(samples == 0) return FALSE;
   return Demod.len;
 }
@@ -1402,7 +1419,7 @@ int ReaderReceiveIClass(uint8_t* receivedAnswer)
 void ReaderIClass(uint8_t arg0) {
        uint8_t act_all[]     = { 0x0a };
        uint8_t identify[]    = { 0x0c };
 void ReaderIClass(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 select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
 
 
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
 
@@ -1428,74 +1445,278 @@ void ReaderIClass(uint8_t arg0) {
        LED_A_ON();
 
        for(;;) {
        LED_A_ON();
 
        for(;;) {
-               if(traceLen > TRACE_LENGTH || BUTTON_PRESS()) break;
+       
+               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);
 
                // Send act_all
                ReaderTransmitIClass(act_all, 1);
                // Card present?
                if(ReaderReceiveIClass(resp)) {
                        ReaderTransmitIClass(identify, 1);
-                       if(ReaderReceiveIClass(resp)) {
-                               //ReaderTransmitIClass(select, sizeof(select));
+                       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, whats next... ;-)
                        }
                }
                WDT_HIT();
        }
        
        LED_A_OFF();
                        }
                }
                WDT_HIT();
        }
        
        LED_A_OFF();
+}
 
 
-/*     if(resp_data)
-               memcpy(resp_data->atqa, resp, 2);
+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 };
        
        
-       // OK we will select at least at cascade 1, lets see if first byte of UID was 0x88 in
-       // which case we need to make a cascade 2 request and select - this is a long UID
-       // While the UID is not complete, the 3nd bit (from the right) is set in the SAK.
-       for(; sak & 0x04; cascade_level++)
-       {
-               // SELECT_* (L1: 0x93, L2: 0x95, L3: 0x97)
-               sel_uid[0] = sel_all[0] = 0x93 + cascade_level * 2;
-
-               // SELECT_ALL
-               ReaderTransmit(sel_all,sizeof(sel_all));
-               if (!ReaderReceive(resp)) return 0;
-               if(uid_ptr) memcpy(uid_ptr + cascade_level*4, resp, 4);
-               
-               // calculate crypto UID
-               if(cuid_ptr) *cuid_ptr = bytes_to_num(resp, 4);
+    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
 
 
-               // Construct SELECT UID command
-               memcpy(sel_uid+2,resp,5);
-               AppendCrc14443a(sel_uid,7);
-               ReaderTransmit(sel_uid,sizeof(sel_uid));
+       // Reset trace buffer
+    memset(trace, 0x44, RECV_CMD_OFFSET);
+       traceLen = 0;
 
 
-               // Receive the SAK
-               if (!ReaderReceive(resp)) return 0;
-               sak = resp[0];
-       }
-       if(resp_data) {
-               resp_data->sak = sak;
-               resp_data->ats_len = 0;
-       }
-       //--  this byte not UID, it CT.  http://www.nxp.com/documents/application_note/AN10927.pdf  page 3
-       if (uid_ptr[0] == 0x88) {  
-               memcpy(uid_ptr, uid_ptr + 1, 7);
-               uid_ptr[7] = 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);
 
 
-       if( (sak & 0x20) == 0)
-               return 2; // non iso14443a compliant tag
+       // 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);
 
 
-       // Request for answer to select
-       if(resp_data) {  // JCOP cards - if reader sent RATS then there is no MIFARE session at all!!!
-               AppendCrc14443a(rats, 2);
-               ReaderTransmit(rats, sizeof(rats));
+       LED_A_ON();
+
+       for(int i=0;i<1;i++) {
+       
+               if(traceLen > TRACE_SIZE) {
+                       DbpString("Trace full");
+                       break;
+               }
                
                
-               if (!(len = ReaderReceive(resp))) return 0;
+               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;
+               }
                
                
-               memcpy(resp_data->ats, resp, sizeof(resp_data->ats));
-               resp_data->ats_len = len;
+               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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