#include "iso14443crc.h"
#include "iso14443a.h"
+#include "crapto1.h"
+#include "mifareutil.h"
static uint8_t *trace = (uint8_t *) BigBuf;
static int traceLen = 0;
// Generate the parity value for a byte sequence
//
//-----------------------------------------------------------------------------
+byte_t oddparity (const byte_t bt)
+{
+ return OddByteParity[bt];
+}
+
uint32_t GetParity(const uint8_t * pbtCmd, int iLen)
{
int i;
uint8_t *output;
} Uart;
-static int MillerDecoding(int bit)
+static RAMFUNC int MillerDecoding(int bit)
{
int error = 0;
int bitright;
if(!Uart.syncBit) { Uart.syncBit = bit & 2; Uart.samples = 1; }
else if(bit & 2) { Uart.syncBit = bit & 2; Uart.samples = 1; bit <<= 1; }
if(!Uart.syncBit) { Uart.syncBit = bit & 1; Uart.samples = 0;
- if(Uart.syncBit & (Uart.bitBuffer & 8)) {
+ if(Uart.syncBit && (Uart.bitBuffer & 8)) {
Uart.syncBit = 8;
// the first half bit period is expected in next sample
uint8_t *output;
} Demod;
-static int ManchesterDecoding(int v)
+static RAMFUNC int ManchesterDecoding(int v)
{
int bit;
int modulation;
Demod.syncBit = 0;
//Demod.samples = 0;
Demod.posCount = 1; // This is the first half bit period, so after syncing handle the second part
- if(bit & 0x08) { Demod.syncBit = 0x08; }
- if(!Demod.syncBit) {
- if(bit & 0x04) { Demod.syncBit = 0x04; }
- }
- else if(bit & 0x04) { Demod.syncBit = 0x04; bit <<= 4; }
- if(!Demod.syncBit) {
- if(bit & 0x02) { Demod.syncBit = 0x02; }
+
+ if(bit & 0x08) {
+ Demod.syncBit = 0x08;
}
- else if(bit & 0x02) { Demod.syncBit = 0x02; bit <<= 4; }
- if(!Demod.syncBit) {
- if(bit & 0x01) { Demod.syncBit = 0x01; }
- if(Demod.syncBit & (Demod.buffer & 0x08)) {
- Demod.syncBit = 0x08;
+ if(bit & 0x04) {
+ if(Demod.syncBit) {
+ bit <<= 4;
+ }
+ Demod.syncBit = 0x04;
+ }
- // The first half bitperiod is expected in next sample
- Demod.posCount = 0;
- Demod.output[Demod.len] = 0xfb;
+ if(bit & 0x02) {
+ if(Demod.syncBit) {
+ bit <<= 2;
}
+ Demod.syncBit = 0x02;
}
- else if(bit & 0x01) { Demod.syncBit = 0x01; }
+ if(bit & 0x01 && Demod.syncBit) {
+ Demod.syncBit = 0x01;
+ }
+
if(Demod.syncBit) {
Demod.len = 0;
Demod.state = DEMOD_START_OF_COMMUNICATION;
// triggering so that we start recording at the point that the tag is moved
// near the reader.
//-----------------------------------------------------------------------------
-void SnoopIso14443a(void)
+void RAMFUNC SnoopIso14443a(void)
{
// #define RECV_CMD_OFFSET 2032 // original (working as of 21/2/09) values
// #define RECV_RES_OFFSET 2096 // original (working as of 21/2/09) values
// 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;
- //int traceLen = 0;
+
+ traceLen = 0; // uncommented to fix ISSUE 15 - gerhard - jan2011
// The DMA buffer, used to stream samples from the FPGA
int8_t *dmaBuf = ((int8_t *)BigBuf) + DMA_BUFFER_OFFSET;
// Count of samples received so far, so that we can include timing
// information in the trace buffer.
int samples = 0;
- int rsamples = 0;
+ int rsamples = 0;
memset(trace, 0x44, RECV_CMD_OFFSET);
receivedCmd[0], receivedCmd[1], receivedCmd[2]);
} else {
// Never seen this command before
- Dbprintf("Unknown command received from reader: %x %x %x %x %x %x %x %x %x",
+ Dbprintf("Unknown command received from reader (len=%d): %x %x %x %x %x %x %x %x %x",
+ len,
receivedCmd[0], receivedCmd[1], receivedCmd[2],
- receivedCmd[3], receivedCmd[3], receivedCmd[4],
- receivedCmd[5], receivedCmd[6], receivedCmd[7]);
+ receivedCmd[3], receivedCmd[4], receivedCmd[5],
+ receivedCmd[6], receivedCmd[7], receivedCmd[8]);
// Do not respond
resp = resp1; respLen = 0; order = 0;
}
int ReaderReceive(uint8_t* receivedAnswer)
{
int samples = 0;
- if (!GetIso14443aAnswerFromTag(receivedAnswer,100,&samples,0)) return FALSE;
+ if (!GetIso14443aAnswerFromTag(receivedAnswer,160,&samples,0)) return FALSE;
if (tracing) LogTrace(receivedAnswer,Demod.len,samples,Demod.parityBits,FALSE);
if(samples == 0) return FALSE;
return Demod.len;
/* performs iso14443a anticolision procedure
* fills the uid pointer unless NULL
* fills resp_data unless NULL */
-int iso14443a_select_card(uint8_t * uid_ptr, iso14a_card_select_t * resp_data) {
- uint8_t wupa[] = { 0x52 };
+int iso14443a_select_card(uint8_t * uid_ptr, iso14a_card_select_t * resp_data, uint32_t * cuid_ptr) {
+ uint8_t wupa[] = { 0x52 }; // 0x26 - REQA 0x52 - WAKE-UP
uint8_t sel_all[] = { 0x93,0x20 };
uint8_t sel_uid[] = { 0x93,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
uint8_t rats[] = { 0xE0,0x80,0x00,0x00 }; // FSD=256, FSDI=8, CID=0
uint8_t* resp = (((uint8_t *)BigBuf) + 3560); // was 3560 - tied to other size changes
- uint8_t* uid = resp + 7;
uint8_t sak = 0x04; // cascade uid
int cascade_level = 0;
int len;
+
+ // clear uid
+ memset(uid_ptr, 0, 8);
// Broadcast for a card, WUPA (0x52) will force response from all cards in the field
ReaderTransmitShort(wupa);
if(resp_data)
memcpy(resp_data->atqa, resp, 2);
- ReaderTransmit(sel_all,sizeof(sel_all));
- if(!ReaderReceive(uid)) return 0;
-
// 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.
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);
// Construct SELECT UID command
memcpy(sel_uid+2,resp,5);
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;
+ }
if( (sak & 0x20) == 0)
return 2; // non iso14443a compliant tag
// Request for answer to select
- AppendCrc14443a(rats, 2);
- ReaderTransmit(rats, sizeof(rats));
- if (!(len = ReaderReceive(resp))) return 0;
- if(resp_data) {
+ if(resp_data) { // JCOP cards - if reader sent RATS then there is no MIFARE session at all!!!
+ AppendCrc14443a(rats, 2);
+ ReaderTransmit(rats, sizeof(rats));
+
+ if (!(len = ReaderReceive(resp))) return 0;
+
memcpy(resp_data->ats, resp, sizeof(resp_data->ats));
resp_data->ats_len = len;
}
-
+
return 1;
}
if(param & ISO14A_CONNECT) {
iso14443a_setup();
- ack->arg[0] = iso14443a_select_card(ack->d.asBytes, (iso14a_card_select_t *) (ack->d.asBytes+12));
+ ack->arg[0] = iso14443a_select_card(ack->d.asBytes, (iso14a_card_select_t *) (ack->d.asBytes+12), NULL);
UsbSendPacket((void *)ack, sizeof(UsbCommand));
}
break;
}
- if(!iso14443a_select_card(NULL, NULL)) continue;
+ if(!iso14443a_select_card(NULL, NULL, NULL)) continue;
// Transmit MIFARE_CLASSIC_AUTH
ReaderTransmit(mf_auth,sizeof(mf_auth));
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LEDsoff();
tracing = TRUE;
+
+ DbpString("COMMAND FINISHED");
+
+ Dbprintf("nt=%x", (int)nt[0]);
+}
+
+//-----------------------------------------------------------------------------
+// Select, Authenticaate, Read an MIFARE tag.
+// read block
+//-----------------------------------------------------------------------------
+void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
+{
+ // params
+ uint8_t blockNo = arg0;
+ uint8_t keyType = arg1;
+ uint64_t ui64Key = 0;
+ ui64Key = bytes_to_num(datain, 6);
+
+ // variables
+ byte_t isOK = 0;
+ byte_t dataoutbuf[16];
+ uint8_t uid[7];
+ uint32_t cuid;
+ struct Crypto1State mpcs = {0, 0};
+ struct Crypto1State *pcs;
+ pcs = &mpcs;
+
+ // clear trace
+ traceLen = 0;
+// tracing = false;
+
+ iso14443a_setup();
+
+ LED_A_ON();
+ LED_B_OFF();
+ LED_C_OFF();
+
+ while (true) {
+ if(!iso14443a_select_card(uid, NULL, &cuid)) {
+ Dbprintf("Can't select card");
+ break;
+ };
+
+ if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
+ Dbprintf("Auth error");
+ break;
+ };
+
+ if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
+ Dbprintf("Read block error");
+ break;
+ };
+
+ if(mifare_classic_halt(pcs, cuid)) {
+ Dbprintf("Halt error");
+ break;
+ };
+
+ isOK = 1;
+ break;
+ }
+
+ // ----------------------------- crypto1 destroy
+ crypto1_destroy(pcs);
+
+// DbpString("READ BLOCK FINISHED");
+
+ // add trace trailer
+ uid[0] = 0xff;
+ uid[1] = 0xff;
+ uid[2] = 0xff;
+ uid[3] = 0xff;
+ LogTrace(uid, 4, 0, 0, TRUE);
+
+ UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
+ memcpy(ack.d.asBytes, dataoutbuf, 16);
+
+ LED_B_ON();
+ UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+ LED_B_OFF();
+
+
+ // Thats it...
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LEDsoff();
+// tracing = TRUE;
+
+}
+
+//-----------------------------------------------------------------------------
+// Select, Authenticaate, Read an MIFARE tag.
+// read sector (data = 4 x 16 bytes = 64 bytes)
+//-----------------------------------------------------------------------------
+void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
+{
+ // params
+ uint8_t sectorNo = arg0;
+ uint8_t keyType = arg1;
+ uint64_t ui64Key = 0;
+ ui64Key = bytes_to_num(datain, 6);
+
+ // variables
+ byte_t isOK = 0;
+ byte_t dataoutbuf[16 * 4];
+ uint8_t uid[8];
+ uint32_t cuid;
+ struct Crypto1State mpcs = {0, 0};
+ struct Crypto1State *pcs;
+ pcs = &mpcs;
+
+ // clear trace
+ traceLen = 0;
+// tracing = false;
+
+ iso14443a_setup();
+
+ LED_A_ON();
+ LED_B_OFF();
+ LED_C_OFF();
+
+ while (true) {
+ if(!iso14443a_select_card(uid, NULL, &cuid)) {
+ Dbprintf("Can't select card");
+ break;
+ };
+
+ if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {
+ Dbprintf("Auth error");
+ break;
+ };
+
+ if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf + 16 * 0)) {
+ Dbprintf("Read block 0 error");
+ break;
+ };
+ if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf + 16 * 1)) {
+ Dbprintf("Read block 1 error");
+ break;
+ };
+ if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf + 16 * 2)) {
+ Dbprintf("Read block 2 error");
+ break;
+ };
+ if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf + 16 * 3)) {
+ Dbprintf("Read block 3 error");
+ break;
+ };
+
+ if(mifare_classic_halt(pcs, cuid)) {
+ Dbprintf("Halt error");
+ break;
+ };
+
+ isOK = 1;
+ break;
+ }
+
+ // ----------------------------- crypto1 destroy
+ crypto1_destroy(pcs);
+
+// DbpString("READ BLOCK FINISHED");
+
+ // add trace trailer
+ uid[0] = 0xff;
+ uid[1] = 0xff;
+ uid[2] = 0xff;
+ uid[3] = 0xff;
+ LogTrace(uid, 4, 0, 0, TRUE);
+
+ UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
+ memcpy(ack.d.asBytes, dataoutbuf, 16 * 2);
+
+ LED_B_ON();
+ UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+
+ SpinDelay(100);
+
+ memcpy(ack.d.asBytes, dataoutbuf + 16 * 2, 16 * 2);
+ UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+ LED_B_OFF();
+
+ // Thats it...
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LEDsoff();
+// tracing = TRUE;
+
+}
+
+//-----------------------------------------------------------------------------
+// Select, Authenticaate, Read an MIFARE tag.
+// read block
+//-----------------------------------------------------------------------------
+void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
+{
+ // params
+ uint8_t blockNo = arg0;
+ uint8_t keyType = arg1;
+ uint64_t ui64Key = 0;
+ byte_t blockdata[16];
+
+ ui64Key = bytes_to_num(datain, 6);
+ memcpy(blockdata, datain + 10, 16);
+
+ // variables
+ byte_t isOK = 0;
+ uint8_t uid[8];
+ uint32_t cuid;
+ struct Crypto1State mpcs = {0, 0};
+ struct Crypto1State *pcs;
+ pcs = &mpcs;
+
+ // clear trace
+ traceLen = 0;
+// tracing = false;
+
+ iso14443a_setup();
+
+ LED_A_ON();
+ LED_B_OFF();
+ LED_C_OFF();
+
+ while (true) {
+ if(!iso14443a_select_card(uid, NULL, &cuid)) {
+ Dbprintf("Can't select card");
+ break;
+ };
+
+ if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
+ Dbprintf("Auth error");
+ break;
+ };
+
+ if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
+ Dbprintf("Write block error");
+ break;
+ };
+
+ if(mifare_classic_halt(pcs, cuid)) {
+ Dbprintf("Halt error");
+ break;
+ };
+
+ isOK = 1;
+ break;
+ }
+
+ // ----------------------------- crypto1 destroy
+ crypto1_destroy(pcs);
+
+// DbpString("WRITE BLOCK FINISHED");
+
+ // add trace trailer
+ uid[0] = 0xff;
+ uid[1] = 0xff;
+ uid[2] = 0xff;
+ uid[3] = 0xff;
+ LogTrace(uid, 4, 0, 0, TRUE);
+
+ UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
+
+ LED_B_ON();
+ UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+ LED_B_OFF();
+
+
+ // Thats it...
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LEDsoff();
+// tracing = TRUE;
+
+}
+
+//-----------------------------------------------------------------------------
+// MIFARE nested authentication.
+//
+//-----------------------------------------------------------------------------
+void MifareNested(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
+{
+ // params
+ uint8_t blockNo = arg0;
+ uint8_t keyType = arg1;
+ uint64_t ui64Key = 0;
+
+ ui64Key = bytes_to_num(datain, 6);
+
+ // variables
+ byte_t isOK = 0;
+ uint8_t uid[8];
+ uint32_t cuid;
+ uint8_t dataoutbuf[16];
+ struct Crypto1State mpcs = {0, 0};
+ struct Crypto1State *pcs;
+ pcs = &mpcs;
+
+ // clear trace
+ traceLen = 0;
+// tracing = false;
+
+ iso14443a_setup();
+
+ LED_A_ON();
+ LED_B_OFF();
+ LED_C_OFF();
+
+ while (true) {
+ if(!iso14443a_select_card(uid, NULL, &cuid)) {
+ Dbprintf("Can't select card");
+ break;
+ };
+
+ if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
+ Dbprintf("Auth error");
+ break;
+ };
+
+ // nested authenticate block = (blockNo + 1)
+ if(mifare_classic_auth(pcs, (uint32_t)bytes_to_num(uid, 4), blockNo + 1, keyType, ui64Key, AUTH_NESTED)) {
+ Dbprintf("Auth error");
+ break;
+ };
+
+ if(mifare_classic_readblock(pcs, (uint32_t)bytes_to_num(uid, 4), blockNo + 1, dataoutbuf)) {
+ Dbprintf("Read block error");
+ break;
+ };
+
+ if(mifare_classic_halt(pcs, (uint32_t)bytes_to_num(uid, 4))) {
+ Dbprintf("Halt error");
+ break;
+ };
+
+ isOK = 1;
+ break;
+ }
+
+ // ----------------------------- crypto1 destroy
+ crypto1_destroy(pcs);
+
+ DbpString("NESTED FINISHED");
+
+ // add trace trailer
+ uid[0] = 0xff;
+ uid[1] = 0xff;
+ uid[2] = 0xff;
+ uid[3] = 0xff;
+ LogTrace(uid, 4, 0, 0, TRUE);
+
+ UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
+ memcpy(ack.d.asBytes, dataoutbuf, 16);
+
+ LED_B_ON();
+ UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+ LED_B_OFF();
+
+ // Thats it...
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LEDsoff();
+// tracing = TRUE;
+
+}
+
+//-----------------------------------------------------------------------------
+// MIFARE 1K simulate.
+//
+//-----------------------------------------------------------------------------
+void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
+{
}
projects / proxmark3-svn / blobdiff