#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;
//-----------------------------------------------------------------------------
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 *readerToTagCmd = (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);
+ uint8_t *receivedCmd = (((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 *receivedResponse = (((uint8_t *)BigBuf) + RECV_RES_OFFSET);
+ // As we receive stuff, we copy it from receivedCmd or receivedResponse
+ // into trace, along with its length and other annotations.
+ //uint8_t *trace = (uint8_t *)BigBuf;
+
// reset traceLen to 0
iso14a_set_tracing(TRUE);
iso14a_clear_trace();
memset(trace, 0x44, RECV_CMD_OFFSET);
// Set up the demodulator for tag -> reader responses.
- Demod.output = tagToReaderResponse;
+ Demod.output = receivedResponse;
Demod.len = 0;
Demod.state = DEMOD_UNSYNCD;
// And the reader -> tag commands
memset(&Uart, 0, sizeof(Uart));
- Uart.output = readerToTagCmd;
+ Uart.output = receivedCmd;
Uart.byteCntMax = 32; // was 100 (greg)////////////////////////////////////////////////////////////////////////
Uart.state = STATE_UNSYNCD;
//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(!LogTrace(readerToTagCmd,Uart.byteCnt, rsamples, Uart.parityBits,TRUE)) break;
- //if(!LogTrace(NULL, 0, Uart.endTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER, 0, TRUE)) break;
-
- /* And ready to receive another command. */
+ //if(triggered) {
+ trace[traceLen++] = ((rsamples >> 0) & 0xff);
+ trace[traceLen++] = ((rsamples >> 8) & 0xff);
+ trace[traceLen++] = ((rsamples >> 16) & 0xff);
+ trace[traceLen++] = ((rsamples >> 24) & 0xff);
+ trace[traceLen++] = ((Uart.parityBits >> 0) & 0xff);
+ trace[traceLen++] = ((Uart.parityBits >> 8) & 0xff);
+ trace[traceLen++] = ((Uart.parityBits >> 16) & 0xff);
+ trace[traceLen++] = ((Uart.parityBits >> 24) & 0xff);
+ trace[traceLen++] = Uart.byteCnt;
+ memcpy(trace+traceLen, receivedCmd, Uart.byteCnt);
+ traceLen += Uart.byteCnt;
+ if(traceLen > TRACE_SIZE) break;
+ //}
+ /* And ready to receive another command. */
Uart.state = STATE_UNSYNCD;
/* And also reset the demod code, which might have been */
/* false-triggered by the commands from the reader. */
rsamples = samples - Demod.samples;
LED_B_ON();
- if(!LogTrace(tagToReaderResponse,Demod.len, rsamples, Demod.parityBits,FALSE)) break;
- //if (!LogTrace(NULL, 0, Demod.endTime*16 - DELAY_TAG_AIR2ARM_AS_SNIFFER, 0, FALSE)) break;
-
+ // timestamp, as a count of samples
+ trace[traceLen++] = ((rsamples >> 0) & 0xff);
+ trace[traceLen++] = ((rsamples >> 8) & 0xff);
+ trace[traceLen++] = ((rsamples >> 16) & 0xff);
+ trace[traceLen++] = 0x80 | ((rsamples >> 24) & 0xff);
+ trace[traceLen++] = ((Demod.parityBits >> 0) & 0xff);
+ trace[traceLen++] = ((Demod.parityBits >> 8) & 0xff);
+ trace[traceLen++] = ((Demod.parityBits >> 16) & 0xff);
+ trace[traceLen++] = ((Demod.parityBits >> 24) & 0xff);
+ // length
+ trace[traceLen++] = Demod.len;
+ memcpy(trace+traceLen, receivedResponse, Demod.len);
+ traceLen += Demod.len;
+ if(traceLen > TRACE_SIZE) break;
+
+ //triggered = TRUE;
// And ready to receive another response.
memset(&Demod, 0, sizeof(Demod));
- Demod.output = tagToReaderResponse;
+ Demod.output = receivedResponse;
Demod.state = DEMOD_UNSYNCD;
LED_C_OFF();
}
ToSendMax++;
}
-/**
- * @brief SimulateIClass simulates an iClass card.
- * @param arg0 type of simulation
- * - 0 uses the first 8 bytes in usb data as CSN
- * - 2 "dismantling iclass"-attack. This mode iterates through all CSN's specified
- * in the usb data. This mode collects MAC from the reader, in order to do an offline
- * attack on the keys. For more info, see "dismantling iclass" and proxclone.com.
- * - Other : Uses the default CSN (031fec8af7ff12e0)
- * @param arg1 - number of CSN's contained in datain (applicable for mode 2 only)
- * @param arg2
- * @param datain
- */
-void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain)
+//-----------------------------------------------------------------------------
+// Simulate iClass Card
+// Only CSN (Card Serial Number)
+//
+//-----------------------------------------------------------------------------
+void SimulateIClass(uint8_t arg0, uint8_t *datain)
{
- uint32_t simType = arg0;
- uint32_t numberOfCSNS = arg1;
-
- // Enable and clear the trace
- iso14a_set_tracing(TRUE);
- iso14a_clear_trace();
+ uint8_t simType = arg0;
- uint8_t csn_crc[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 };
-
- if(simType == 0) {
- // Use the CSN from commandline
- memcpy(csn_crc, datain, 8);
- doIClassSimulation(csn_crc,0);
- }else if(simType == 1)
- {
- doIClassSimulation(csn_crc,0);
- }
- else if(simType == 2)
- {
- Dbprintf("Going into attack mode");
- // In this mode, a number of csns are within datain. We'll simulate each one, one at a time
- // in order to collect MAC's from the reader. This can later be used in an offlne-attack
- // in order to obtain the keys, as in the "dismantling iclass"-paper.
- for(int i = 0 ; i < numberOfCSNS && i*8+8 < USB_CMD_DATA_SIZE; i++)
- {
- // The usb data is 512 bytes, fitting 65 8-byte CSNs in there.
-
- memcpy(csn_crc, datain+(i*8), 8);
- doIClassSimulation(csn_crc,1);
- }
- }else{
- // We may want a mode here where we hardcode the csns to use (from proxclone).
- // That will speed things up a little, but not required just yet.
- Dbprintf("The mode is not implemented, reserved for future use");
- }
+ // Enable and clear the trace
+ tracing = TRUE;
+ traceLen = 0;
+ memset(trace, 0x44, TRACE_SIZE);
-}
-/**
- * @brief Does the actual simulation
- * @param csn - csn to use
- * @param breakAfterMacReceived if true, returns after reader MAC has been received.
- */
-void doIClassSimulation(uint8_t csn[], int breakAfterMacReceived)
-{
// CSN followed by two CRC bytes
uint8_t response2[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
- uint8_t response3[] = { 0,0,0,0,0,0,0,0,0,0};
- memcpy(response3,csn,sizeof(response3));
+ uint8_t response3[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 };
// e-Purse
uint8_t response4[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ 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;
int cmdsRecvd = 0;
LED_A_ON();
- while(!exitLoop) {
+ for(;;) {
LED_B_OFF();
if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) {
DbpString("button press");
}
// Okay, look at the command now.
- if(receivedCmd[0] == 0x0a || receivedCmd[0] == 0x26) {
+ if(receivedCmd[0] == 0x0a) {
// Reader in anticollission phase
resp = resp1; respLen = resp1Len; //order = 1;
respdata = &sof;
respsize = sizeof(sof);
//resp = resp2; respLen = resp2Len; order = 2;
- Dbprintf("Hello request from reader, %02x, tracing=%d", receivedCmd[0], tracing);
+ //DbpString("Hello request from reader:");
} else if(receivedCmd[0] == 0x0c) {
// Reader asks for anticollission CSN
resp = resp2; respLen = resp2Len; //order = 2;
LED_B_ON();
} else if(receivedCmd[0] == 0x05) {
// Reader random and reader MAC!!!
+ // Lets store this ;-)
+/*
+ Dbprintf(" CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
+ response3[0], response3[1], response3[2],
+ response3[3], response3[4], response3[5],
+ response3[6], response3[7]);
+*/
+ Dbprintf("READER AUTH (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",
+ len,
+ receivedCmd[0], receivedCmd[1], receivedCmd[2],
+ receivedCmd[3], receivedCmd[4], receivedCmd[5],
+ receivedCmd[6], receivedCmd[7], receivedCmd[8]);
+
// Do not respond
// We do not know what to answer, so lets keep quit
resp = resp1; respLen = 0; //order = 5;
respdata = NULL;
respsize = 0;
- if (breakAfterMacReceived){
- // TODO, actually return this to the caller instead of just
- // dbprintf:ing ...
- Dbprintf("CSN: %02x %02x %02x %02x %02x %02x %02x %02x");
- Dbprintf("RDR: (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",len,
- receivedCmd[0], receivedCmd[1], receivedCmd[2],
- receivedCmd[3], receivedCmd[4], receivedCmd[5],
- receivedCmd[6], receivedCmd[7], receivedCmd[8]);
- exitLoop = true;
- }
} else if(receivedCmd[0] == 0x00 && len == 1) {
// Reader ends the session
resp = resp1; respLen = 0; //order = 0;
respdata = NULL;
respsize = 0;
} else {
- //#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,
}
if (tracing) {
- //LogTrace(receivedCmd,len, rsamples, Uart.parityBits, TRUE);
- if(!LogTrace(receivedCmd,len, rsamples, Uart.parityBits,TRUE))
- {
+ LogTrace(receivedCmd,len, rsamples, Uart.parityBits, TRUE);
+ if (respdata != NULL) {
+ LogTrace(respdata,respsize, rsamples, SwapBits(GetParity(respdata,respsize),respsize), FALSE);
+ }
+ if(traceLen > TRACE_SIZE) {
DbpString("Trace full");
break;
}
-
- if (respdata != NULL) {
- //LogTrace(respdata,respsize, rsamples, SwapBits(GetParity(respdata,respsize),respsize), FALSE);
- if(!LogTrace(respdata,respsize, rsamples,SwapBits(GetParity(respdata,respsize),respsize),FALSE))
- {
- DbpString("Trace full");
- break;
- }
- }
}
+
memset(receivedCmd, 0x44, RECV_CMD_SIZE);
}
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
LED_A_OFF();
}
+void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
+ uint8_t act_all[] = { 0x0a };
+ uint8_t identify[] = { 0x0c };
+ uint8_t select[] = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ uint8_t readcheck_cc[]= { 0x88, 0x02 };
+ uint8_t check[] = { 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ uint8_t read[] = { 0x0c, 0x00, 0x00, 0x00 };
+
+ uint16_t crc = 0;
+ uint8_t cardsize=0;
+ bool read_success=false;
+ uint8_t mem=0;
+
+ static struct memory_t{
+ int k16;
+ int book;
+ int k2;
+ int lockauth;
+ int keyaccess;
+ } memory;
+
+ uint8_t* resp = (((uint8_t *)BigBuf) + 3560); // was 3560 - tied to other size changes
+
+ // Reset trace buffer
+ memset(trace, 0x44, RECV_CMD_OFFSET);
+ traceLen = 0;
+
+ // Setup SSC
+ FpgaSetupSsc();
+ // Start from off (no field generated)
+ // Signal field is off with the appropriate LED
+ LED_D_OFF();
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
+
+ SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+
+ // Now give it time to spin up.
+ // Signal field is on with the appropriate LED
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+ SpinDelay(200);
+
+ LED_A_ON();
+
+ for(int i=0;i<1;i++) {
+
+ if(traceLen > TRACE_SIZE) {
+ DbpString("Trace full");
+ break;
+ }
+
+ if (BUTTON_PRESS()) break;
+
+ // Send act_all
+ ReaderTransmitIClass(act_all, 1);
+ // Card present?
+ if(ReaderReceiveIClass(resp)) {
+ ReaderTransmitIClass(identify, 1);
+ if(ReaderReceiveIClass(resp) == 10) {
+ // Select card
+ memcpy(&select[1],resp,8);
+ ReaderTransmitIClass(select, sizeof(select));
+
+ if(ReaderReceiveIClass(resp) == 10) {
+ Dbprintf(" Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
+ resp[0], resp[1], resp[2],
+ resp[3], resp[4], resp[5],
+ resp[6], resp[7]);
+ }
+ // Card selected
+ Dbprintf("Readcheck on Sector 2");
+ ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
+ if(ReaderReceiveIClass(resp) == 8) {
+ Dbprintf(" CC: %02x %02x %02x %02x %02x %02x %02x %02x",
+ resp[0], resp[1], resp[2],
+ resp[3], resp[4], resp[5],
+ resp[6], resp[7]);
+ }else return;
+ Dbprintf("Authenticate");
+ //for now replay captured auth (as cc not updated)
+ memcpy(check+5,MAC,4);
+ Dbprintf(" AA: %02x %02x %02x %02x",
+ check[5], check[6], check[7],check[8]);
+ ReaderTransmitIClass(check, sizeof(check));
+ if(ReaderReceiveIClass(resp) == 4) {
+ Dbprintf(" AR: %02x %02x %02x %02x",
+ resp[0], resp[1], resp[2],resp[3]);
+ }else {
+ Dbprintf("Error: Authentication Fail!");
+ return;
+ }
+ Dbprintf("Dump Contents");
+ //first get configuration block
+ read_success=false;
+ read[1]=1;
+ uint8_t *blockno=&read[1];
+ crc = iclass_crc16((char *)blockno,1);
+ read[2] = crc >> 8;
+ read[3] = crc & 0xff;
+ while(!read_success){
+ ReaderTransmitIClass(read, sizeof(read));
+ if(ReaderReceiveIClass(resp) == 10) {
+ read_success=true;
+ mem=resp[5];
+ memory.k16= (mem & 0x80);
+ memory.book= (mem & 0x20);
+ memory.k2= (mem & 0x8);
+ memory.lockauth= (mem & 0x2);
+ memory.keyaccess= (mem & 0x1);
+
+ }
+ }
+ if (memory.k16){
+ cardsize=255;
+ }else cardsize=32;
+ //then loop around remaining blocks
+ for(uint8_t j=0; j<cardsize; j++){
+ read_success=false;
+ uint8_t *blockno=&j;
+ //crc_data[0]=j;
+ read[1]=j;
+ crc = iclass_crc16((char *)blockno,1);
+ read[2] = crc >> 8;
+ read[3] = crc & 0xff;
+ while(!read_success){
+ ReaderTransmitIClass(read, sizeof(read));
+ if(ReaderReceiveIClass(resp) == 10) {
+ read_success=true;
+ Dbprintf(" %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
+ j, resp[0], resp[1], resp[2],
+ resp[3], resp[4], resp[5],
+ resp[6], resp[7]);
+ }
+ }
+ }
+ }
+ }
+ WDT_HIT();
+ }
+
+ LED_A_OFF();
+}
+
+//1. Create Method to Read sectors/blocks 0,1,2 and Send to client
+void IClass_iso14443A_GetPublic(uint8_t arg0) {
+ uint8_t act_all[] = { 0x0a };
+ uint8_t identify[] = { 0x0c };
+ uint8_t select[] = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ uint8_t readcheck_cc[]= { 0x88, 0x02 };
+ //uint8_t read[] = { 0x0c, 0x00, 0x00, 0x00 };
+ uint8_t card_data[24]={0};
+
+ //bool read_success=false;
+ uint8_t* resp = (((uint8_t *)BigBuf) + 3560); // was 3560 - tied to other size changes
+
+ // Reset trace buffer
+ memset(trace, 0x44, RECV_CMD_OFFSET);
+ traceLen = 0;
+
+ // Setup SSC
+ FpgaSetupSsc();
+ // Start from off (no field generated)
+ // Signal field is off with the appropriate LED
+ LED_D_OFF();
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
+
+ SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+
+ // Now give it time to spin up.
+ // Signal field is on with the appropriate LED
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+ SpinDelay(200);
+
+ LED_A_ON();
+
+ for(int i=0;i<1;i++) {
+
+ if(traceLen > TRACE_SIZE) {
+ DbpString("Trace full");
+ break;
+ }
+
+ if (BUTTON_PRESS()) break;
+
+ // Send act_all
+ ReaderTransmitIClass(act_all, 1);
+ // Card present?
+ if(ReaderReceiveIClass(resp)) {
+ ReaderTransmitIClass(identify, 1);
+ if(ReaderReceiveIClass(resp) == 10) {
+ // Select card
+ memcpy(&select[1],resp,8);
+ ReaderTransmitIClass(select, sizeof(select));
+
+ if(ReaderReceiveIClass(resp) == 10) {
+ Dbprintf(" Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
+ resp[0], resp[1], resp[2],
+ resp[3], resp[4], resp[5],
+ resp[6], resp[7]);
+ }
+ memcpy(card_data,resp,8);
+ // Card selected
+ Dbprintf("Readcheck on Sector 2");
+ ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
+ if(ReaderReceiveIClass(resp) == 8) {
+ Dbprintf(" CC: %02x %02x %02x %02x %02x %02x %02x %02x",
+ resp[0], resp[1], resp[2],
+ resp[3], resp[4], resp[5],
+ resp[6], resp[7]);
+ }
+ memcpy(card_data+8,resp,8);
+ //prep to read config block
+ /* read card configuration block
+ while(!read_success){
+ uint8_t sector_config=0x01;
+ memcpy(read+1,§or_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
projects / proxmark3-svn / blobdiff