added changelog

[proxmark3-svn] / armsrc / iclass.c

diff --git a/armsrc/iclass.c b/armsrc/iclass.c
index 97c62bb60daf7c4d3367f1a49a5bdd9f7c001468..f9aedc9577f17a89c36b9b56d82459b6e8c93f75 100644 (file)
--- a/armsrc/iclass.c
+++ b/armsrc/iclass.c
@@ -42,6 +42,7 @@
 #include "string.h"
 #include "common.h"
 #include "cmd.h"
 #include "string.h"
 #include "common.h"
 #include "cmd.h"

+#include "iso14443a.h"

 // Needed for CRC in emulation mode;
 // same construction as in ISO 14443;
 // different initial value (CRC_ICLASS)
 // Needed for CRC in emulation mode;
 // same construction as in ISO 14443;
 // different initial value (CRC_ICLASS)


@@ -49,6 +50,7 @@
 #include "iso15693tools.h"
 #include "protocols.h"
 #include "optimized_cipher.h"
 #include "iso15693tools.h"
 #include "protocols.h"
 #include "optimized_cipher.h"

+#include "usb_cdc.h" // for usb_poll_validate_length

 
 static int timeout = 4096;
 
 
 static int timeout = 4096;
 


@@ -1447,7 +1449,7 @@ static void TransmitIClassCommand(const uint8_t *cmd, int len, int *samples, int
     }
     WDT_HIT();
   }
     }
     WDT_HIT();
   }

-  if (samples) *samples = (c + *wait) << 3;
+  if (samples && wait) *samples = (c + *wait) << 3;

 }
 
 
 }
 
 


@@ -1473,7 +1475,7 @@ void CodeIClassCommand(const uint8_t * cmd, int len)
     for(j = 0; j < 4; j++) {
       for(k = 0; k < 4; k++) {
                        if(k == (b & 3)) {
     for(j = 0; j < 4; j++) {
       for(k = 0; k < 4; k++) {
                        if(k == (b & 3)) {

-                               ToSend[++ToSendMax] = 0x0f;
+                               ToSend[++ToSendMax] = 0xf0;

                        }
                        else {
                                ToSend[++ToSendMax] = 0x00;
                        }
                        else {
                                ToSend[++ToSendMax] = 0x00;


@@ -1580,8 +1582,8 @@ void setupIclassReader()
 {
     FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
     // Reset trace buffer
 {
     FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
     // Reset trace buffer

-       set_tracing(TRUE);
-       clear_trace();
+         set_tracing(TRUE);
+         clear_trace();

 
     // Setup SSC
     FpgaSetupSsc();
 
     // Setup SSC
     FpgaSetupSsc();


@@ -1601,16 +1603,16 @@ void setupIclassReader()
 
 }
 
 
 }
 

-size_t sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t* resp, uint8_t expected_size, uint8_t retries)
+bool sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t* resp, uint8_t expected_size, uint8_t retries)

 {
        while(retries-- > 0)
        {
                ReaderTransmitIClass(command, cmdsize);
                if(expected_size == ReaderReceiveIClass(resp)){
 {
        while(retries-- > 0)
        {
                ReaderTransmitIClass(command, cmdsize);
                if(expected_size == ReaderReceiveIClass(resp)){

-                       return 0;
+                       return true;

                }
        }
                }
        }

-       return 1;//Error
+       return false;//Error

 }
 
 /**
 }
 
 /**


@@ -1620,14 +1622,17 @@ size_t sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t*
  *         1 = Got CSN
  *         2 = Got CSN and CC
  */
  *         1 = Got CSN
  *         2 = Got CSN and CC
  */

-uint8_t handshakeIclassTag(uint8_t *card_data)
+uint8_t handshakeIclassTag_ext(uint8_t *card_data, bool use_credit_key)

 {
        static uint8_t act_all[]     = { 0x0a };
 {
        static uint8_t act_all[]     = { 0x0a };

-       static uint8_t identify[]    = { 0x0c };
+       //static uint8_t identify[]    = { 0x0c };
+       static uint8_t identify[]    = { 0x0c, 0x00, 0x73, 0x33 };

        static uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
        static uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

-
-
-       static uint8_t readcheck_cc[]= { 0x88, 0x02,};
+       static uint8_t readcheck_cc[]= { 0x88, 0x02 };
+       if (use_credit_key)
+               readcheck_cc[0] = 0x18;
+       else
+               readcheck_cc[0] = 0x88;

 
        uint8_t resp[ICLASS_BUFFER_SIZE];
 
 
        uint8_t resp[ICLASS_BUFFER_SIZE];
 


@@ -1658,7 +1663,7 @@ uint8_t handshakeIclassTag(uint8_t *card_data)
        //Flag that we got to at least stage 1, read CSN
        read_status = 1;
 
        //Flag that we got to at least stage 1, read CSN
        read_status = 1;
 

-       // Card selected, now read e-purse (cc)
+       // Card selected, now read e-purse (cc) (only 8 bytes no CRC)

        ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
        if(ReaderReceiveIClass(resp) == 8) {
                //Save CC (e-purse) in response data
        ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
        if(ReaderReceiveIClass(resp) == 8) {
                //Save CC (e-purse) in response data


@@ -1668,6 +1673,9 @@ uint8_t handshakeIclassTag(uint8_t *card_data)
 
        return read_status;
 }
 
        return read_status;
 }

+uint8_t handshakeIclassTag(uint8_t *card_data) {
+       return handshakeIclassTag_ext(card_data, false);
+}

 
 
 // Reader iClass Anticollission
 
 
 // Reader iClass Anticollission


@@ -1675,25 +1683,37 @@ void ReaderIClass(uint8_t arg0) {
 
        uint8_t card_data[6 * 8]={0};
        memset(card_data, 0xFF, sizeof(card_data));
 
        uint8_t card_data[6 * 8]={0};
        memset(card_data, 0xFF, sizeof(card_data));

-       uint8_t last_csn[8]={0};
-       
+       uint8_t last_csn[8]={0,0,0,0,0,0,0,0};
+       uint8_t resp[ICLASS_BUFFER_SIZE];
+       memset(resp, 0xFF, sizeof(resp));

        //Read conf block CRC(0x01) => 0xfa 0x22
        uint8_t readConf[] = { ICLASS_CMD_READ_OR_IDENTIFY,0x01, 0xfa, 0x22};
        //Read conf block CRC(0x01) => 0xfa 0x22
        uint8_t readConf[] = { ICLASS_CMD_READ_OR_IDENTIFY,0x01, 0xfa, 0x22};

-       //Read conf block CRC(0x05) => 0xde  0x64
+       //Read App Issuer Area block CRC(0x05) => 0xde  0x64

        uint8_t readAA[] = { ICLASS_CMD_READ_OR_IDENTIFY,0x05, 0xde, 0x64};
 
        uint8_t readAA[] = { ICLASS_CMD_READ_OR_IDENTIFY,0x05, 0xde, 0x64};
 

-

        int read_status= 0;
        uint8_t result_status = 0;
        int read_status= 0;
        uint8_t result_status = 0;

+       // flag to read until one tag is found successfully

        bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE;
        bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE;

+       // flag to only try 5 times to find one tag then return

        bool try_once = arg0 & FLAG_ICLASS_READER_ONE_TRY;
        bool try_once = arg0 & FLAG_ICLASS_READER_ONE_TRY;

-       set_tracing(TRUE);
+       // if neither abort_after_read nor try_once then continue reading until button pressed.
+
+       bool use_credit_key = arg0 & FLAG_ICLASS_READER_CEDITKEY;
+       // test flags for what blocks to be sure to read
+       uint8_t flagReadConfig = arg0 & FLAG_ICLASS_READER_CONF;
+       uint8_t flagReadCC = arg0 & FLAG_ICLASS_READER_CC;
+       uint8_t flagReadAA = arg0 & FLAG_ICLASS_READER_AA;
+
+       set_tracing(true);

        setupIclassReader();
 
        uint16_t tryCnt=0;
        setupIclassReader();
 
        uint16_t tryCnt=0;

-       while(!BUTTON_PRESS())
+       bool userCancelled = BUTTON_PRESS() || usb_poll_validate_length();
+       while(!userCancelled)

        {
        {

-               if (try_once && tryCnt > 5) break; 
+               // if only looking for one card try 2 times if we missed it the first time
+               if (try_once && tryCnt > 2) break; 

                tryCnt++;
                if(!tracing) {
                        DbpString("Trace full");
                tryCnt++;
                if(!tracing) {
                        DbpString("Trace full");


@@ -1701,7 +1721,7 @@ void ReaderIClass(uint8_t arg0) {
                }
                WDT_HIT();
 
                }
                WDT_HIT();
 

-               read_status = handshakeIclassTag(card_data);
+               read_status = handshakeIclassTag_ext(card_data, use_credit_key);

 
                if(read_status == 0) continue;
                if(read_status == 1) result_status = FLAG_ICLASS_READER_CSN;
 
                if(read_status == 0) continue;
                if(read_status == 1) result_status = FLAG_ICLASS_READER_CSN;


@@ -1712,25 +1732,24 @@ void ReaderIClass(uint8_t arg0) {
                // moving CC forward 8 bytes
                memcpy(card_data+16,card_data+8, 8);
                //Read block 1, config
                // moving CC forward 8 bytes
                memcpy(card_data+16,card_data+8, 8);
                //Read block 1, config

-               if(arg0 & FLAG_ICLASS_READER_CONF)
-               {
-                       if(sendCmdGetResponseWithRetries(readConf, sizeof(readConf),card_data+8, 10, 10))
-                       {
-                               Dbprintf("Failed to dump config block");
-                       }else
+               if(flagReadConfig) {
+                       if(sendCmdGetResponseWithRetries(readConf, sizeof(readConf), resp, 10, 10))

                        {
                                result_status |= FLAG_ICLASS_READER_CONF;
                        {
                                result_status |= FLAG_ICLASS_READER_CONF;

+                               memcpy(card_data+8, resp, 8);
+                       } else {
+                               Dbprintf("Failed to dump config block");

                        }
                }
 
                //Read block 5, AA
                        }
                }
 
                //Read block 5, AA

-               if(arg0 & FLAG_ICLASS_READER_AA){
-                       if(sendCmdGetResponseWithRetries(readAA, sizeof(readAA),card_data+(8*4), 10, 10))
-                       {
-//                             Dbprintf("Failed to dump AA block");
-                       }else
+               if(flagReadAA) {
+                       if(sendCmdGetResponseWithRetries(readAA, sizeof(readAA), resp, 10, 10))

                        {
                                result_status |= FLAG_ICLASS_READER_AA;
                        {
                                result_status |= FLAG_ICLASS_READER_AA;

+                               memcpy(card_data+(8*5), resp, 8);
+                       } else {
+                               //Dbprintf("Failed to dump AA block");

                        }
                }
 
                        }
                }
 


@@ -1740,19 +1759,20 @@ void ReaderIClass(uint8_t arg0) {
                // (3,4 write-only, kc and kd)
                // 5 Application issuer area
                //
                // (3,4 write-only, kc and kd)
                // 5 Application issuer area
                //

-               //Then we can 'ship' back the 8 * 5 bytes of data,
+               //Then we can 'ship' back the 8 * 6 bytes of data,

                // with 0xFF:s in block 3 and 4.
 
                LED_B_ON();
                // with 0xFF:s in block 3 and 4.
 
                LED_B_ON();

-               //Send back to client, but don't bother if we already sent this
+               //Send back to client, but don't bother if we already sent this - 
+               //  only useful if looping in arm (not try_once && not abort_after_read)

                if(memcmp(last_csn, card_data, 8) != 0)
                {
                if(memcmp(last_csn, card_data, 8) != 0)
                {

-                       // If caller requires that we get CC, continue until we got it
-                       if( (arg0 & read_status & FLAG_ICLASS_READER_CC) || !(arg0 & FLAG_ICLASS_READER_CC))
-                       {
+                       // If caller requires that we get Conf, CC, AA, continue until we got it
+                       if( (result_status ^ FLAG_ICLASS_READER_CSN ^ flagReadConfig ^ flagReadCC ^ flagReadAA) == 0) {

                                cmd_send(CMD_ACK,result_status,0,0,card_data,sizeof(card_data));
                                if(abort_after_read) {
                                        LED_A_OFF();
                                cmd_send(CMD_ACK,result_status,0,0,card_data,sizeof(card_data));
                                if(abort_after_read) {
                                        LED_A_OFF();

+                                       LED_B_OFF();

                                        return;
                                }
                                //Save that we already sent this....
                                        return;
                                }
                                //Save that we already sent this....


@@ -1761,9 +1781,14 @@ void ReaderIClass(uint8_t arg0) {
 
                }
                LED_B_OFF();
 
                }
                LED_B_OFF();

+               userCancelled = BUTTON_PRESS() || usb_poll_validate_length();

        }
        }

-    cmd_send(CMD_ACK,0,0,0,card_data, 0);
-    LED_A_OFF();
+       if (userCancelled) {
+               cmd_send(CMD_ACK,0xFF,0,0,card_data, 0);
+       } else {
+               cmd_send(CMD_ACK,0,0,0,card_data, 0);
+       }
+       LED_A_OFF();

 }
 
 void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
 }
 
 void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {


@@ -1814,7 +1839,7 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                //for now replay captured auth (as cc not updated)
                memcpy(check+5,MAC,4);
 
                //for now replay captured auth (as cc not updated)
                memcpy(check+5,MAC,4);
 

-               if(sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5))
+               if(!sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5))

                {
                        Dbprintf("Error: Authentication Fail!");
                        continue;
                {
                        Dbprintf("Error: Authentication Fail!");
                        continue;


@@ -1826,7 +1851,7 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                read[2] = crc >> 8;
                read[3] = crc & 0xff;
 
                read[2] = crc >> 8;
                read[3] = crc & 0xff;
 

-               if(sendCmdGetResponseWithRetries(read, sizeof(read),resp, 10, 10))
+               if(!sendCmdGetResponseWithRetries(read, sizeof(read),resp, 10, 10))

                {
                        Dbprintf("Dump config (block 1) failed");
                        continue;
                {
                        Dbprintf("Dump config (block 1) failed");
                        continue;


@@ -1853,7 +1878,7 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                        read[2] = crc >> 8;
                        read[3] = crc & 0xff;
 
                        read[2] = crc >> 8;
                        read[3] = crc & 0xff;
 

-                       if(!sendCmdGetResponseWithRetries(read, sizeof(read), resp, 10, 10))
+                       if(sendCmdGetResponseWithRetries(read, sizeof(read), resp, 10, 10))

                        {
                                Dbprintf("     %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
                                                 block, resp[0], resp[1], resp[2],
                        {
                                Dbprintf("     %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
                                                 block, resp[0], resp[1], resp[2],


@@ -1904,130 +1929,137 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
        LED_A_OFF();
 }
 
        LED_A_OFF();
 }
 

-//2. Create Read method (cut-down from above) based off responses from 1. 
-//   Since we have the MAC could continue to use replay function.
-//3. Create Write method
-/*
-void IClass_iso14443A_write(uint8_t arg0, uint8_t blockNo, uint8_t *data, 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 };
-       uint8_t write[]       = { 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-       
-    uint16_t crc = 0;
-       
-       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);
-
-       // Reset trace buffer
-    memset(trace, 0x44, RECV_CMD_OFFSET);
-       traceLen = 0;
+void iClass_ReadCheck(uint8_t  blockNo, uint8_t keyType) {
+       uint8_t readcheck[] = { keyType, blockNo };
+       uint8_t resp[] = {0,0,0,0,0,0,0,0};
+       size_t isOK = 0;
+       isOK = sendCmdGetResponseWithRetries(readcheck, sizeof(readcheck), resp, sizeof(resp), 6);
+       cmd_send(CMD_ACK,isOK,0,0,0,0);
+}

 
 

-       // 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);
+void iClass_Authentication(uint8_t *MAC) {
+       uint8_t check[] = { ICLASS_CMD_CHECK, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       uint8_t resp[ICLASS_BUFFER_SIZE];
+       memcpy(check+5,MAC,4);
+       bool isOK;
+       isOK = sendCmdGetResponseWithRetries(check, sizeof(check), resp, 4, 6);
+       cmd_send(CMD_ACK,isOK,0,0,0,0);
+}
+bool iClass_ReadBlock(uint8_t blockNo, uint8_t *readdata) {
+       uint8_t readcmd[] = {ICLASS_CMD_READ_OR_IDENTIFY, blockNo, 0x00, 0x00}; //0x88, 0x00 // can i use 0C?
+       char bl = blockNo;
+       uint16_t rdCrc = iclass_crc16(&bl, 1);
+       readcmd[2] = rdCrc >> 8;
+       readcmd[3] = rdCrc & 0xff;
+       uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK = false;
+
+       //readcmd[1] = blockNo;
+       isOK = sendCmdGetResponseWithRetries(readcmd, sizeof(readcmd), resp, 10, 10);
+       memcpy(readdata, resp, sizeof(resp));
+
+       return isOK;
+}

 
 

-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+void iClass_ReadBlk(uint8_t blockno) {
+       uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK = false;
+       isOK = iClass_ReadBlock(blockno, readblockdata);
+       cmd_send(CMD_ACK, isOK, 0, 0, readblockdata, 8);
+}

 
 

-       // 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);
+void iClass_Dump(uint8_t blockno, uint8_t numblks) {
+       uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK = false;
+       uint8_t blkCnt = 0;

 
 

-       LED_A_ON();
+       BigBuf_free();
+       uint8_t *dataout = BigBuf_malloc(255*8);
+       if (dataout == NULL){
+               Dbprintf("out of memory");
+               OnError(1);
+               return;
+       }
+       memset(dataout,0xFF,255*8);
+
+       for (;blkCnt < numblks; blkCnt++) {
+               isOK = iClass_ReadBlock(blockno+blkCnt, readblockdata);
+               if (!isOK || (readblockdata[0] == 0xBB || readblockdata[7] == 0xBB || readblockdata[2] == 0xBB)) { //try again
+                       isOK = iClass_ReadBlock(blockno+blkCnt, readblockdata);
+                       if (!isOK) {
+                               Dbprintf("Block %02X failed to read", blkCnt+blockno);
+                               break;
+                       }
+               }
+               memcpy(dataout+(blkCnt*8),readblockdata,8);
+       }
+       //return pointer to dump memory in arg3
+       cmd_send(CMD_ACK,isOK,blkCnt,BigBuf_max_traceLen(),0,0);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       LEDsoff();
+       BigBuf_free();
+}

 
 

-       for(int i=0;i<1;i++) {
-       
-               if(traceLen > TRACE_SIZE) {
-                       DbpString("Trace full");
-                       break;
+bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t *data) {
+       uint8_t write[] = { ICLASS_CMD_UPDATE, blockNo, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       //uint8_t readblockdata[10];
+       //write[1] = blockNo;
+       memcpy(write+2, data, 12); // data + mac
+       char *wrCmd = (char *)(write+1); 
+       uint16_t wrCrc = iclass_crc16(wrCmd, 13);
+       write[14] = wrCrc >> 8;
+       write[15] = wrCrc & 0xff;
+       uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK = false;
+
+       isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),10);
+       if (isOK) { //if reader responded correctly
+               //Dbprintf("WriteResp: %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",resp[0],resp[1],resp[2],resp[3],resp[4],resp[5],resp[6],resp[7],resp[8],resp[9]);
+               if (memcmp(write+2,resp,8)) {  //if response is not equal to write values
+                       if (blockNo != 3 && blockNo != 4) { //if not programming key areas (note key blocks don't get programmed with actual key data it is xor data)
+                               //error try again
+                               isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),10);
+                       } 
+                       

                }
                }

-               
-               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("Write Block");
-                               
-                               //read configuration for max block number
-                               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;
-                               //check card_size
-                               
-                               memcpy(write+1,blockNo,1);
-                               memcpy(write+2,data,8);
-                               memcpy(write+10,mac,4);
-                               while(!send_success){
-                                 ReaderTransmitIClass(write, sizeof(write));
-                                 if(ReaderReceiveIClass(resp) == 10) {
-                                   write_success=true;
-                               }
-                       }//
+       }
+       return isOK;
+}
+
+void iClass_WriteBlock(uint8_t blockNo, uint8_t *data) {
+       bool isOK = iClass_WriteBlock_ext(blockNo, data);
+       if (isOK){
+               Dbprintf("Write block [%02x] successful",blockNo);
+       } else {
+               Dbprintf("Write block [%02x] failed",blockNo);          
+       }
+       cmd_send(CMD_ACK,isOK,0,0,0,0); 
+}
+
+void iClass_Clone(uint8_t startblock, uint8_t endblock, uint8_t *data) {
+       int i;
+       int written = 0;
+       int total_block = (endblock - startblock) + 1;
+       for (i = 0; i < total_block;i++){
+               // block number
+               if (iClass_WriteBlock_ext(i+startblock, data+(i*12))){
+                       Dbprintf("Write block [%02x] successful",i + startblock);
+                       written++;
+               } else {
+                       if (iClass_WriteBlock_ext(i+startblock, data+(i*12))){
+                               Dbprintf("Write block [%02x] successful",i + startblock);
+                               written++;
+                       } else {
+                               Dbprintf("Write block [%02x] failed",i + startblock);
+                       }

                }
                }

-               WDT_HIT();

        }
        }

-       
-       LED_A_OFF();
-}*/
+       if (written == total_block)
+               Dbprintf("Clone complete");
+       else
+               Dbprintf("Clone incomplete");   
+
+       cmd_send(CMD_ACK,1,0,0,0,0);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       LEDsoff();
+}