X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/42f57e0294c13f14f8ebcdcc529b5872c2884786..3400a4358db11337382065c26e58539d28ade5ef:/armsrc/iclass.c diff --git a/armsrc/iclass.c b/armsrc/iclass.c index d5cd366d..28bdb3bc 100644 --- a/armsrc/iclass.c +++ b/armsrc/iclass.c @@ -41,10 +41,12 @@ #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" +#include "iso15693tools.h" static int timeout = 4096; @@ -69,14 +71,13 @@ static struct { int nOutOfCnt; int OutOfCnt; int syncBit; - int parityBits; int samples; int highCnt; int swapper; int counter; int bitBuffer; int dropPosition; - uint8_t *output; + uint8_t *output; } Uart; static RAMFUNC int OutOfNDecoding(int bit) @@ -135,11 +136,8 @@ static RAMFUNC int OutOfNDecoding(int bit) if(Uart.byteCnt == 0) { // Its not straightforward to show single EOFs // So just leave it and do not return TRUE - Uart.output[Uart.byteCnt] = 0xf0; + Uart.output[0] = 0xf0; Uart.byteCnt++; - - // Calculate the parity bit for the client... - Uart.parityBits = 1; } else { return TRUE; @@ -221,11 +219,6 @@ static RAMFUNC int OutOfNDecoding(int bit) if(Uart.bitCnt == 8) { Uart.output[Uart.byteCnt] = (Uart.shiftReg & 0xff); Uart.byteCnt++; - - // Calculate the parity bit for the client... - Uart.parityBits <<= 1; - Uart.parityBits ^= OddByteParity[(Uart.shiftReg & 0xff)]; - Uart.bitCnt = 0; Uart.shiftReg = 0; } @@ -244,11 +237,6 @@ static RAMFUNC int OutOfNDecoding(int bit) Uart.dropPosition--; Uart.output[Uart.byteCnt] = (Uart.dropPosition & 0xff); Uart.byteCnt++; - - // Calculate the parity bit for the client... - Uart.parityBits <<= 1; - Uart.parityBits ^= OddByteParity[(Uart.dropPosition & 0xff)]; - Uart.bitCnt = 0; Uart.shiftReg = 0; Uart.nOutOfCnt = 0; @@ -309,7 +297,6 @@ static RAMFUNC int OutOfNDecoding(int bit) Uart.state = STATE_START_OF_COMMUNICATION; Uart.bitCnt = 0; Uart.byteCnt = 0; - Uart.parityBits = 0; Uart.nOutOfCnt = 0; Uart.OutOfCnt = 4; // Start at 1/4, could switch to 1/256 Uart.dropPosition = 0; @@ -351,7 +338,6 @@ static struct { int bitCount; int posCount; int syncBit; - int parityBits; uint16_t shiftReg; int buffer; int buffer2; @@ -365,7 +351,7 @@ static struct { SUB_SECOND_HALF, SUB_BOTH } sub; - uint8_t *output; + uint8_t *output; } Demod; static RAMFUNC int ManchesterDecoding(int v) @@ -418,7 +404,6 @@ static RAMFUNC int ManchesterDecoding(int v) Demod.sub = SUB_FIRST_HALF; Demod.bitCount = 0; Demod.shiftReg = 0; - Demod.parityBits = 0; Demod.samples = 0; if(Demod.posCount) { //if(trigger) LED_A_OFF(); // Not useful in this case... @@ -483,8 +468,6 @@ static RAMFUNC int ManchesterDecoding(int v) if(Demod.state == DEMOD_SOF_COMPLETE) { Demod.output[Demod.len] = 0x0f; Demod.len++; - Demod.parityBits <<= 1; - Demod.parityBits ^= OddByteParity[0x0f]; Demod.state = DEMOD_UNSYNCD; // error = 0x0f; return TRUE; @@ -565,11 +548,9 @@ static RAMFUNC int ManchesterDecoding(int v) // Tag response does not need to be a complete byte! if(Demod.len > 0 || Demod.bitCount > 0) { if(Demod.bitCount > 1) { // was > 0, do not interpret last closing bit, is part of EOF - Demod.shiftReg >>= (9 - Demod.bitCount); + Demod.shiftReg >>= (9 - Demod.bitCount); // right align data Demod.output[Demod.len] = Demod.shiftReg & 0xff; Demod.len++; - // No parity bit, so just shift a 0 - Demod.parityBits <<= 1; } Demod.state = DEMOD_UNSYNCD; @@ -606,11 +587,6 @@ static RAMFUNC int ManchesterDecoding(int v) Demod.shiftReg >>= 1; Demod.output[Demod.len] = (Demod.shiftReg & 0xff); Demod.len++; - - // FOR ISO15639 PARITY NOT SEND OTA, JUST CALCULATE IT FOR THE CLIENT - Demod.parityBits <<= 1; - Demod.parityBits ^= OddByteParity[(Demod.shiftReg & 0xff)]; - Demod.bitCount = 0; Demod.shiftReg = 0; } @@ -667,8 +643,8 @@ void RAMFUNC SnoopIClass(void) // So 32 should be enough! uint8_t *readerToTagCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET); // The response (tag -> reader) that we're receiving. - uint8_t *tagToReaderResponse = (((uint8_t *)BigBuf) + RECV_RES_OFFSET); - + uint8_t *tagToReaderResponse = (((uint8_t *)BigBuf) + RECV_RESP_OFFSET); + FpgaDownloadAndGo(FPGA_BITSTREAM_HF); // reset traceLen to 0 @@ -767,10 +743,10 @@ void RAMFUNC SnoopIClass(void) //if(!LogTrace(Uart.output,Uart.byteCnt, rsamples, Uart.parityBits,TRUE)) break; //if(!LogTrace(NULL, 0, Uart.endTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER, 0, TRUE)) break; - if(tracing) - { - LogTrace(Uart.output,Uart.byteCnt, (GetCountSspClk()-time_0) << 4, Uart.parityBits,TRUE); - LogTrace(NULL, 0, (GetCountSspClk()-time_0) << 4, 0, TRUE); + if(tracing) { + uint8_t parity[MAX_PARITY_SIZE]; + GetParity(Uart.output, Uart.byteCnt, parity); + LogTrace(Uart.output,Uart.byteCnt, (GetCountSspClk()-time_0) << 4, (GetCountSspClk()-time_0) << 4, parity, TRUE); } @@ -791,10 +767,10 @@ void RAMFUNC SnoopIClass(void) rsamples = samples - Demod.samples; LED_B_ON(); - if(tracing) - { - LogTrace(Demod.output,Demod.len, (GetCountSspClk()-time_0) << 4 , Demod.parityBits,FALSE); - LogTrace(NULL, 0, (GetCountSspClk()-time_0) << 4, 0, FALSE); + if(tracing) { + uint8_t parity[MAX_PARITY_SIZE]; + GetParity(Demod.output, Demod.len, parity); + LogTrace(Demod.output, Demod.len, (GetCountSspClk()-time_0) << 4, (GetCountSspClk()-time_0) << 4, parity, FALSE); } @@ -992,7 +968,7 @@ void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain { uint8_t mac_responses[64] = { 0 }; - Dbprintf("Going into attack mode"); + Dbprintf("Going into attack mode, %d CSNS sent", numberOfCSNS); // 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. @@ -1002,7 +978,7 @@ void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain // The usb data is 512 bytes, fitting 65 8-byte CSNs in there. memcpy(csn_crc, datain+(i*8), 8); - if(doIClassSimulation(csn_crc,1,mac_responses)) + if(doIClassSimulation(csn_crc,1,mac_responses+i*8)) { return; // Button pressed } @@ -1077,7 +1053,7 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader // + 1720.. uint8_t *receivedCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET); - memset(receivedCmd, 0x44, RECV_CMD_SIZE); + memset(receivedCmd, 0x44, MAX_FRAME_SIZE); int len; // Prepare card messages @@ -1130,7 +1106,6 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader //Signal tracer // Can be used to get a trigger for an oscilloscope.. LED_C_OFF(); - if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) { buttonPressed = true; break; @@ -1167,16 +1142,16 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader } else if(receivedCmd[0] == 0x05) { // Reader random and reader MAC!!! // Do not respond - // We do not know what to answer, so lets keep quit + // We do not know what to answer, so lets keep quiet 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",csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]); + Dbprintf("CSN: %02x %02x %02x %02x %02x %02x %02x %02x" + ,csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]); Dbprintf("RDR: (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",len, - receivedCmd[0], receivedCmd[1], receivedCmd[2], + receivedCmd[0], receivedCmd[1], receivedCmd[2], receivedCmd[3], receivedCmd[4], receivedCmd[5], receivedCmd[6], receivedCmd[7], receivedCmd[8]); if (reader_mac_buf != NULL) @@ -1218,14 +1193,13 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader } if (tracing) { - LogTrace(receivedCmd,len, (r2t_time-time_0)<< 4, Uart.parityBits,TRUE); - LogTrace(NULL,0, (r2t_time-time_0) << 4, 0,TRUE); + uint8_t parity[MAX_PARITY_SIZE]; + GetParity(receivedCmd, len, parity); + LogTrace(receivedCmd,len, (r2t_time-time_0)<< 4, (r2t_time-time_0) << 4, parity, TRUE); if (respdata != NULL) { - LogTrace(respdata,respsize, (t2r_time-time_0) << 4,SwapBits(GetParity(respdata,respsize),respsize),FALSE); - LogTrace(NULL,0, (t2r_time-time_0) << 4,0,FALSE); - - + GetParity(respdata, respsize, parity); + LogTrace(respdata, respsize, (t2r_time-time_0) << 4, (t2r_time-time_0) << 4, parity, FALSE); } if(!tracing) { DbpString("Trace full"); @@ -1233,7 +1207,7 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader } } - memset(receivedCmd, 0x44, RECV_CMD_SIZE); + memset(receivedCmd, 0x44, MAX_FRAME_SIZE); } //Dbprintf("%x", cmdsRecvd); @@ -1294,20 +1268,23 @@ static void TransmitIClassCommand(const uint8_t *cmd, int len, int *samples, int FpgaSetupSsc(); if (wait) - if(*wait < 10) - *wait = 10; + { + if(*wait < 10) *wait = 10; + + for(c = 0; c < *wait;) { + if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { + AT91C_BASE_SSC->SSC_THR = 0x00; // For exact timing! + c++; + } + if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { + volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR; + (void)r; + } + WDT_HIT(); + } + + } - for(c = 0; c < *wait;) { - if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { - AT91C_BASE_SSC->SSC_THR = 0x00; // For exact timing! - c++; - } - if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { - volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR; - (void)r; - } - WDT_HIT(); - } uint8_t sendbyte; bool firstpart = TRUE; @@ -1387,21 +1364,24 @@ void CodeIClassCommand(const uint8_t * cmd, int len) void ReaderTransmitIClass(uint8_t* frame, int len) { - int wait = 0; - int samples = 0; - int par = 0; - - // This is tied to other size changes - // uint8_t* frame_addr = ((uint8_t*)BigBuf) + 2024; - CodeIClassCommand(frame,len); - - // Select the card - TransmitIClassCommand(ToSend, ToSendMax, &samples, &wait); - if(trigger) - LED_A_ON(); - - // Store reader command in buffer - if (tracing) LogTrace(frame,len,rsamples,par,TRUE); + int wait = 0; + int samples = 0; + + // This is tied to other size changes + // uint8_t* frame_addr = ((uint8_t*)BigBuf) + 2024; + CodeIClassCommand(frame,len); + + // Select the card + TransmitIClassCommand(ToSend, ToSendMax, &samples, &wait); + if(trigger) + LED_A_ON(); + + // Store reader command in buffer + if (tracing) { + uint8_t par[MAX_PARITY_SIZE]; + GetParity(frame, len, par); + LogTrace(frame, len, rsamples, rsamples, par, TRUE); + } } //----------------------------------------------------------------------------- @@ -1460,23 +1440,264 @@ int ReaderReceiveIClass(uint8_t* receivedAnswer) int samples = 0; if (!GetIClassAnswer(receivedAnswer,160,&samples,0)) return FALSE; rsamples += samples; - if (tracing) LogTrace(receivedAnswer,Demod.len,rsamples,Demod.parityBits,FALSE); + if (tracing) { + uint8_t parity[MAX_PARITY_SIZE]; + GetParity(receivedAnswer, Demod.len, parity); + LogTrace(receivedAnswer,Demod.len,rsamples,rsamples,parity,FALSE); + } if(samples == 0) return FALSE; return Demod.len; } +void setupIclassReader() +{ + FpgaDownloadAndGo(FPGA_BITSTREAM_HF); + // Reset trace buffer + iso14a_set_tracing(TRUE); + iso14a_clear_trace(); + + // 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(); + +} + // Reader iClass Anticollission 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 readcheck_cc[]= { 0x88, 0x02 }; + + uint8_t card_data[24]={0}; + uint8_t last_csn[8]={0}; + + uint8_t *resp = (((uint8_t *)BigBuf) + RECV_RESP_OFFSET); + + int read_status= 0; + bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE; + + setupIclassReader(); + + size_t datasize = 0; + while(!BUTTON_PRESS()) + { + WDT_HIT(); + + // Send act_all + ReaderTransmitIClass(act_all, 1); + // Card present? + if(ReaderReceiveIClass(resp)) { + + ReaderTransmitIClass(identify, 1); + + if(ReaderReceiveIClass(resp) == 10) { + //Copy the Anti-collision CSN to our select-packet + memcpy(&select[1],resp,8); + //Dbprintf("Anti-collision 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]); + //Select the card + ReaderTransmitIClass(select, sizeof(select)); + + if(ReaderReceiveIClass(resp) == 10) { + //Save CSN in response data + memcpy(card_data,resp,8); + datasize += 8; + //Flag that we got to at least stage 1, read CSN + read_status = 1; + + // Card selected + //Dbprintf("Readcheck on Sector 2"); + ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc)); + if(ReaderReceiveIClass(resp) == 8) { + //Save CC (e-purse) in response data + memcpy(card_data+8,resp,8); + datasize += 8; + //Got both + read_status = 2; + } + + LED_B_ON(); + //Send back to client, but don't bother if we already sent this + if(memcmp(last_csn, card_data, 8) != 0) + cmd_send(CMD_ACK,read_status,0,0,card_data,datasize); + + //Save that we already sent this.... + if(read_status == 2) + memcpy(last_csn, card_data, 8); + + LED_B_OFF(); + + if(abort_after_read) break; + } + } + } + + if(traceLen > TRACE_SIZE) { + DbpString("Trace full"); + break; + } + } + 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) + RECV_RESP_OFFSET); + + setupIclassReader(); - uint8_t* resp = (((uint8_t *)BigBuf) + 3560); // was 3560 - tied to other size changes - FpgaDownloadAndGo(FPGA_BITSTREAM_HF); + 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> 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(); +} + +//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); + memset(trace, 0x44, RECV_CMD_OFFSET); traceLen = 0; // Setup SSC @@ -1496,7 +1717,7 @@ void ReaderIClass(uint8_t arg0) { LED_A_ON(); - for(;;) { + for(int i=0;i<1;i++) { if(traceLen > TRACE_SIZE) { DbpString("Trace full"); @@ -1521,13 +1742,67 @@ void ReaderIClass(uint8_t arg0) { resp[3], resp[4], resp[5], resp[6], resp[7]); } - // Card selected, whats next... ;-) - } + // 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; + } + }// } WDT_HIT(); } LED_A_OFF(); -} - - +}*/