#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)
static int timeout = 4096;
-// CARD TO READER
-// Sequence D: 11110000 modulation with subcarrier during first half
-// Sequence E: 00001111 modulation with subcarrier during second half
-// Sequence F: 00000000 no modulation with subcarrier
-// READER TO CARD
-// Sequence X: 00001100 drop after half a period
-// Sequence Y: 00000000 no drop
-// Sequence Z: 11000000 drop at start
-#define SEC_X 0x0c
-#define SEC_Y 0x00
-#define SEC_Z 0xc0
static int SendIClassAnswer(uint8_t *resp, int respLen, int delay);
//-----------------------------------------------------------------------------
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
// 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 *receivedCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
+ uint8_t *readerToTagCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
// The response (tag -> reader) that we're receiving.
- uint8_t *receivedResponse = (((uint8_t *)BigBuf) + RECV_RES_OFFSET);
+ uint8_t *tagToReaderResponse = (((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;
-
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
// reset traceLen to 0
iso14a_set_tracing(TRUE);
iso14a_clear_trace();
int samples = 0;
rsamples = 0;
- memset(trace, 0x44, RECV_CMD_OFFSET);
-
// Set up the demodulator for tag -> reader responses.
- Demod.output = receivedResponse;
+ Demod.output = tagToReaderResponse;
Demod.len = 0;
Demod.state = DEMOD_UNSYNCD;
// And the reader -> tag commands
memset(&Uart, 0, sizeof(Uart));
- Uart.output = receivedCmd;
+ Uart.output = readerToTagCmd;
Uart.byteCntMax = 32; // was 100 (greg)////////////////////////////////////////////////////////////////////////
Uart.state = STATE_UNSYNCD;
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_SNIFFER);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+ uint32_t time_0 = GetCountSspClk();
+
+
int div = 0;
//int div2 = 0;
int decbyte = 0;
//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));
}
- //decbyte ^= (MajorityNibble[(smpl & 0x0F)] << (3 - div));
// FOR READER SIDE COMMUMICATION...
- //decbyte ^= ((smpl & 0x10) << (3 - div));
+
decbyter <<= 2;
decbyter ^= (smpl & 0x30);
if(OutOfNDecoding((smpl & 0xF0) >> 4)) {
rsamples = samples - Uart.samples;
LED_C_ON();
- //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. */
+
+ //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);
+ }
+
+
+ /* 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. */
rsamples = samples - Demod.samples;
LED_B_ON();
- // 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;
+ if(tracing)
+ {
+ LogTrace(Demod.output,Demod.len, (GetCountSspClk()-time_0) << 4 , Demod.parityBits,FALSE);
+ LogTrace(NULL, 0, (GetCountSspClk()-time_0) << 4, 0, FALSE);
+ }
+
// And ready to receive another response.
memset(&Demod, 0, sizeof(Demod));
- Demod.output = receivedResponse;
+ Demod.output = tagToReaderResponse;
Demod.state = DEMOD_UNSYNCD;
LED_C_OFF();
}
//-----------------------------------------------------------------------------
static void CodeIClassTagAnswer(const uint8_t *cmd, int len)
{
+ //So far a dummy implementation, not used
+ //int lastProxToAirDuration =0;
int i;
ToSendReset();
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0x00;
- ToSend[++ToSendMax] = 0xff;
+ ToSend[++ToSendMax] = 0xff;//Proxtoair duration starts here
ToSend[++ToSendMax] = 0xff;
ToSend[++ToSendMax] = 0xff;
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0xff;
ToSend[++ToSendMax] = 0xff;
- ToSend[++ToSendMax] = 0xff;
+ ToSend[++ToSendMax] = 0xff;
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0x00;
+ //lastProxToAirDuration = 8*ToSendMax - 3*8 - 3*8;//Not counting zeroes in the beginning or end
+
// Convert from last byte pos to length
ToSendMax++;
}
// Only SOF
static void CodeIClassTagSOF()
{
- ToSendReset();
+ //So far a dummy implementation, not used
+ //int lastProxToAirDuration =0;
+ ToSendReset();
// Send SOF
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0xff;
ToSend[++ToSendMax] = 0x00;
ToSend[++ToSendMax] = 0xff;
+
+// lastProxToAirDuration = 8*ToSendMax - 3*8;//Not counting zeroes in the beginning
+
// Convert from last byte pos to length
ToSendMax++;
}
+int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader_mac_buf);
+/**
+ * @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)
+{
+ uint32_t simType = arg0;
+ uint32_t numberOfCSNS = arg1;
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-//-----------------------------------------------------------------------------
-// Simulate iClass Card
-// Only CSN (Card Serial Number)
-//
-//-----------------------------------------------------------------------------
-void SimulateIClass(uint8_t arg0, uint8_t *datain)
+ // Enable and clear the trace
+ iso14a_set_tracing(TRUE);
+ iso14a_clear_trace();
+
+ 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,NULL);
+ }else if(simType == 1)
+ {
+ doIClassSimulation(csn_crc,0,NULL);
+ }
+ else if(simType == 2)
+ {
+
+ uint8_t mac_responses[64] = { 0 };
+ 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.
+ int i = 0;
+ for( ; 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);
+ if(doIClassSimulation(csn_crc,1,mac_responses))
+ {
+ return; // Button pressed
+ }
+ }
+ cmd_send(CMD_ACK,CMD_SIMULATE_TAG_ICLASS,i,0,mac_responses,i*8);
+
+ }
+ 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");
+ }
+ Dbprintf("Done...");
+
+}
+/**
+ * @brief Does the actual simulation
+ * @param csn - csn to use
+ * @param breakAfterMacReceived if true, returns after reader MAC has been received.
+ */
+int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader_mac_buf)
{
- 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 };
-
+ uint8_t response3[] = { 0,0,0,0,0,0,0,0,0,0};
+ memcpy(response3,csn,sizeof(response3));
+ Dbprintf("Simulating 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]);
// 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);
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
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;
CodeIClassTagAnswer(response4, sizeof(response4));
memcpy(resp4, ToSend, ToSendMax); resp4Len = ToSendMax;
+
+ // Start from off (no field generated)
+ //FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ //SpinDelay(200);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_LISTEN);
+ SpinDelay(100);
+ StartCountSspClk();
// We need to listen to the high-frequency, peak-detected path.
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
FpgaSetupSsc();
// To control where we are in the protocol
int cmdsRecvd = 0;
+ uint32_t time_0 = GetCountSspClk();
+ uint32_t t2r_time =0;
+ uint32_t r2t_time =0;
LED_A_ON();
- for(;;) {
+ bool buttonPressed = false;
+
+ /** Hack for testing
+ memcpy(reader_mac_buf,csn,8);
+ exitLoop = true;
+ end hack **/
+
+ while(!exitLoop) {
+
LED_B_OFF();
+ //Signal tracer
+ // Can be used to get a trigger for an oscilloscope..
+ LED_C_OFF();
+
if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) {
- DbpString("button press");
+ buttonPressed = true;
break;
}
+ r2t_time = GetCountSspClk();
+ //Signal tracer
+ LED_C_ON();
// Okay, look at the command now.
- if(receivedCmd[0] == 0x0a) {
+ 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;
- //DbpString("Hello request from reader:");
} else if(receivedCmd[0] == 0x0c) {
// Reader asks for anticollission CSN
resp = resp2; respLen = resp2Len; //order = 2;
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
+ // We do not know what to answer, so lets keep quiet
resp = resp1; respLen = 0; //order = 5;
respdata = NULL;
respsize = 0;
+ if (breakAfterMacReceived){
+ // 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("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]);
+ if (reader_mac_buf != NULL)
+ {
+ memcpy(reader_mac_buf,receivedCmd+1,8);
+ }
+ exitLoop = true;
+ }
} else if(receivedCmd[0] == 0x00 && len == 1) {
// Reader ends the session
resp = resp1; respLen = 0; //order = 0;
respdata = NULL;
respsize = 0;
} else {
+ //#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,
respsize = 0;
}
- if(cmdsRecvd > 999) {
- DbpString("1000 commands later...");
- break;
+ if(cmdsRecvd > 100) {
+ //DbpString("100 commands later...");
+ //break;
}
else {
cmdsRecvd++;
if(respLen > 0) {
SendIClassAnswer(resp, respLen, 21);
+ t2r_time = GetCountSspClk();
}
-
+
if (tracing) {
- LogTrace(receivedCmd,len, rsamples, Uart.parityBits, TRUE);
+ LogTrace(receivedCmd,len, (r2t_time-time_0)<< 4, Uart.parityBits,TRUE);
+ LogTrace(NULL,0, (r2t_time-time_0) << 4, 0,TRUE);
+
if (respdata != NULL) {
- LogTrace(respdata,respsize, rsamples, SwapBits(GetParity(respdata,respsize),respsize), FALSE);
+ LogTrace(respdata,respsize, (t2r_time-time_0) << 4,SwapBits(GetParity(respdata,respsize),respsize),FALSE);
+ LogTrace(NULL,0, (t2r_time-time_0) << 4,0,FALSE);
+
+
}
- if(traceLen > TRACE_SIZE) {
+ if(!tracing) {
DbpString("Trace full");
- break;
+ //break;
}
- }
+ }
memset(receivedCmd, 0x44, RECV_CMD_SIZE);
}
- Dbprintf("%x", cmdsRecvd);
+ //Dbprintf("%x", cmdsRecvd);
LED_A_OFF();
LED_B_OFF();
+ if(buttonPressed)
+ {
+ DbpString("Button pressed");
+ }
+ return buttonPressed;
}
static int SendIClassAnswer(uint8_t *resp, int respLen, int delay)
{
- int i = 0, u = 0, d = 0;
+ int i = 0, d=0;//, u = 0, d = 0;
uint8_t b = 0;
- // return 0;
- // Modulate Manchester
- // FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_MOD424);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_MOD);
+
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR|FPGA_HF_SIMULATOR_MODULATE_424K);
+
AT91C_BASE_SSC->SSC_THR = 0x00;
FpgaSetupSsc();
-
- // send cycle
- for(;;) {
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint8_t b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
- (void)b;
+ while(!BUTTON_PRESS()) {
+ if((AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY)){
+ b = AT91C_BASE_SSC->SSC_RHR; (void) b;
}
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+ if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)){
+ b = 0x00;
if(d < delay) {
- b = 0x00;
d++;
}
- else if(i >= respLen) {
- b = 0x00;
- u++;
- } else {
- b = resp[i];
- u++;
- if(u > 1) { i++; u = 0; }
+ else {
+ if( i < respLen){
+ b = resp[i];
+ //Hack
+ //b = 0xAC;
+ }
+ i++;
}
AT91C_BASE_SSC->SSC_THR = b;
-
- if(u > 4) break;
- }
- if(BUTTON_PRESS()) {
- break;
}
+
+ if (i > respLen +4) break;
}
return 0;
static void TransmitIClassCommand(const uint8_t *cmd, int len, int *samples, int *wait)
{
int c;
-
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
AT91C_BASE_SSC->SSC_THR = 0x00;
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;
b = cmd[i];
for(j = 0; j < 4; j++) {
for(k = 0; k < 4; k++) {
- if(k == (b & 3)) {
- ToSend[++ToSendMax] = 0x0f;
- }
- else {
- ToSend[++ToSendMax] = 0x00;
- }
+ if(k == (b & 3)) {
+ ToSend[++ToSendMax] = 0x0f;
+ }
+ else {
+ ToSend[++ToSendMax] = 0x00;
+ }
}
b >>= 2;
}
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 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* resp = (((uint8_t *)BigBuf) + 3560); // was 3560 - tied to other size changes
+ uint8_t card_data[24]={0};
+ uint8_t last_csn[8]={0};
- // Reset trace buffer
- memset(trace, 0x44, RECV_CMD_OFFSET);
- traceLen = 0;
+ uint8_t* resp = (((uint8_t *)BigBuf) + 3560); // was 3560 - tied to other size changes
- // 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);
+ int read_status= 0;
+ bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE;
- SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+ setupIclassReader();
- // 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);
+ size_t datasize = 0;
+ while(!BUTTON_PRESS())
+ {
+ WDT_HIT();
- LED_A_ON();
+ // 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;
+ }
+ }
+ }
- for(;;) {
+ 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) + 3560); // was 3560 - tied to other size changes
+
+ setupIclassReader();
+
+
+ for(int i=0;i<1;i++) {
if(traceLen > TRACE_SIZE) {
DbpString("Trace full");
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("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();
}
-void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
+//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 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;
+ uint16_t crc = 0;
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
Dbprintf("Error: Authentication Fail!");
return;
}
- Dbprintf("Dump Contents");
- //first get configuration block
+ Dbprintf("Write Block");
+
+ //read configuration for max block number
read_success=false;
read[1]=1;
uint8_t *blockno=&read[1];
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]);
- }
- }
+ //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();
-}
-
-
+}*/
projects / proxmark3-svn / blobdiff