-}
-
-//-----------------------------------------------------------------------------
-// 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)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
- break;
- };
-
- if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
- break;
- };
-
- if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
- break;
- };
-
- if(mifare_classic_halt(pcs, cuid)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
- break;
- };
-
- isOK = 1;
- break;
- }
-
- // ----------------------------- crypto1 destroy
- crypto1_destroy(pcs);
-
- if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
-
- // add trace trailer
- memset(uid, 0x44, 4);
- 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;
-
-}
-
-// Return 1 if the nonce is invalid else return 0
-int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, byte_t * parity) {
- return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
- (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
- (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
-}
-
-
-//-----------------------------------------------------------------------------
-// MIFARE nested authentication.
-//
-//-----------------------------------------------------------------------------
-void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain)
-{
- // params
- uint8_t blockNo = arg0;
- uint8_t keyType = arg1;
- uint8_t targetBlockNo = arg2 & 0xff;
- uint8_t targetKeyType = (arg2 >> 8) & 0xff;
- uint64_t ui64Key = 0;
-
- ui64Key = bytes_to_num(datain, 6);
-
- // variables
- int rtr, i, j, m, len;
- int davg, dmin, dmax;
- uint8_t uid[8];
- uint32_t cuid, nt1, nt2, nttmp, nttest, par, ks1;
- uint8_t par_array[4];
- nestedVector nvector[NES_MAX_INFO + 1][10];
- int nvectorcount[NES_MAX_INFO + 1];
- int ncount = 0;
- UsbCommand ack = {CMD_ACK, {0, 0, 0}};
- struct Crypto1State mpcs = {0, 0};
- struct Crypto1State *pcs;
- pcs = &mpcs;
- uint8_t* receivedAnswer = mifare_get_bigbufptr();
-
- //init
- for (i = 0; i < NES_MAX_INFO + 1; i++) nvectorcount[i] = 11; // 11 - empty block;
-
- // clear trace
- traceLen = 0;
- tracing = false;
-
- iso14443a_setup();
-
- LED_A_ON();
- LED_B_ON();
- LED_C_OFF();
-
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
-
- davg = dmax = 0;
- dmin = 2000;
-
- // test nonce distance
- for (rtr = 0; rtr < 10; rtr++) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(100);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-
- // Test if the action was cancelled
- if(BUTTON_PRESS()) {
- break;
- }
-
- if(!iso14443a_select_card(uid, NULL, &cuid)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
- break;
- };
-
- if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Auth1 error");
- break;
- };
-
- if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Auth2 error");
- break;
- };
-
- nttmp = prng_successor(nt1, 500);
- for (i = 501; i < 2000; i++) {
- nttmp = prng_successor(nttmp, 1);
- if (nttmp == nt2) break;
- }
-
- if (i != 2000) {
- davg += i;
- if (dmin > i) dmin = i;
- if (dmax < i) dmax = i;
- if (MF_DBGLEVEL >= 4) Dbprintf("r=%d nt1=%08x nt2=%08x distance=%d", rtr, nt1, nt2, i);
- }
- }
-
- if (rtr == 0) return;
-
- davg = davg / rtr;
- if (MF_DBGLEVEL >= 3) Dbprintf("distance: min=%d max=%d avg=%d", dmin, dmax, davg);
-
- LED_B_OFF();
-
-// -------------------------------------------------------------------------------------------------
-
- LED_C_ON();
-
- // get crypted nonces for target sector
- for (rtr = 0; rtr < NS_RETRIES_GETNONCE; rtr++) {
- if (MF_DBGLEVEL >= 4) Dbprintf("------------------------------");
-
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(100);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-
- // Test if the action was cancelled
- if(BUTTON_PRESS()) {
- break;
- }
-
- if(!iso14443a_select_card(uid, NULL, &cuid)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
- break;
- };
-
- if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Auth1 error");
- break;
- };
-
- // nested authentication
- len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, &par);
- if (len != 4) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Auth2 error len=%d", len);
- break;
- };
-
- nt2 = bytes_to_num(receivedAnswer, 4);
- if (MF_DBGLEVEL >= 4) Dbprintf("r=%d nt1=%08x nt2enc=%08x nt2par=%08x", rtr, nt1, nt2, par);
-
- // Parity validity check
- for (i = 0; i < 4; i++) {
- par_array[i] = (oddparity(receivedAnswer[i]) != ((par & 0x08) >> 3));
- par = par << 1;
- }
-
- ncount = 0;
- for (m = dmin - NS_TOLERANCE; m < dmax + NS_TOLERANCE; m++) {
- nttest = prng_successor(nt1, m);
- ks1 = nt2 ^ nttest;
-
- if (valid_nonce(nttest, nt2, ks1, par_array) && (ncount < 11)){
-
- nvector[NES_MAX_INFO][ncount].nt = nttest;
- nvector[NES_MAX_INFO][ncount].ks1 = ks1;
- ncount++;
- nvectorcount[NES_MAX_INFO] = ncount;
- if (MF_DBGLEVEL >= 4) Dbprintf("valid m=%d ks1=%08x nttest=%08x", m, ks1, nttest);
- }
-
- }
-
- // select vector with length less than got
- if (nvectorcount[NES_MAX_INFO] != 0) {
- m = NES_MAX_INFO;
-
- for (i = 0; i < NES_MAX_INFO; i++)
- if (nvectorcount[i] > 10) {
- m = i;
- break;
- }
-
- if (m == NES_MAX_INFO)
- for (i = 0; i < NES_MAX_INFO; i++)
- if (nvectorcount[NES_MAX_INFO] < nvectorcount[i]) {
- m = i;
- break;
- }
-
- if (m != NES_MAX_INFO) {
- for (i = 0; i < nvectorcount[m]; i++) {
- nvector[m][i] = nvector[NES_MAX_INFO][i];
- }
- nvectorcount[m] = nvectorcount[NES_MAX_INFO];
- }
- }
- }
-
- LED_C_OFF();
-
- // ----------------------------- crypto1 destroy
- crypto1_destroy(pcs);
-
- // add trace trailer
- memset(uid, 0x44, 4);
- LogTrace(uid, 4, 0, 0, TRUE);
-
- for (i = 0; i < NES_MAX_INFO; i++) {
- if (nvectorcount[i] > 10) continue;
-
- for (j = 0; j < nvectorcount[i]; j += 5) {
- ncount = nvectorcount[i] - j;
- if (ncount > 5) ncount = 5;
-
- ack.arg[0] = 0; // isEOF = 0
- ack.arg[1] = ncount;
- ack.arg[2] = targetBlockNo + (targetKeyType * 0x100);
- memset(ack.d.asBytes, 0x00, sizeof(ack.d.asBytes));
-
- memcpy(ack.d.asBytes, &cuid, 4);
- for (m = 0; m < ncount; m++) {
- memcpy(ack.d.asBytes + 8 + m * 8 + 0, &nvector[i][m + j].nt, 4);
- memcpy(ack.d.asBytes + 8 + m * 8 + 4, &nvector[i][m + j].ks1, 4);
- }
-
- LED_B_ON();
- SpinDelay(100);
- UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
- LED_B_OFF();
- }
- }
-
- // finalize list
- ack.arg[0] = 1; // isEOF = 1
- ack.arg[1] = 0;
- ack.arg[2] = 0;
- memset(ack.d.asBytes, 0x00, sizeof(ack.d.asBytes));
-
- LED_B_ON();
- SpinDelay(300);
- UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
- LED_B_OFF();
-
- if (MF_DBGLEVEL >= 4) DbpString("NESTED FINISHED");
-
- // Thats it...
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LEDsoff();
-
- tracing = TRUE;
-}
-
-//-----------------------------------------------------------------------------
-// MIFARE check keys. key count up to 8.
-//
-//-----------------------------------------------------------------------------
-void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
-{
- // params
- uint8_t blockNo = arg0;
- uint8_t keyType = arg1;
- uint8_t keyCount = arg2;
- uint64_t ui64Key = 0;
-
- // variables
- int i;
- byte_t isOK = 0;
- uint8_t uid[8];
- uint32_t cuid;
- struct Crypto1State mpcs = {0, 0};
- struct Crypto1State *pcs;
- pcs = &mpcs;
-
- // clear debug level
- int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
- MF_DBGLEVEL = MF_DBG_NONE;
-
- // clear trace
- traceLen = 0;
- tracing = TRUE;
-
- iso14443a_setup();
-
- LED_A_ON();
- LED_B_OFF();
- LED_C_OFF();
-
- SpinDelay(300);
- for (i = 0; i < keyCount; i++) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(100);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-
- if(!iso14443a_select_card(uid, NULL, &cuid)) {
- if (OLD_MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
- break;
- };
-
- ui64Key = bytes_to_num(datain + i * 6, 6);
- if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
- continue;
- };
-
- isOK = 1;
- break;
- }
-
- // ----------------------------- crypto1 destroy
- crypto1_destroy(pcs);
-
- // add trace trailer
- memset(uid, 0x44, 4);
- LogTrace(uid, 4, 0, 0, TRUE);
-
- UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
- if (isOK) memcpy(ack.d.asBytes, datain + i * 6, 6);
-
- LED_B_ON();
- UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
- LED_B_OFF();
-
- // Thats it...
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LEDsoff();
-
- // restore debug level
- MF_DBGLEVEL = OLD_MF_DBGLEVEL;
-}
-
-//-----------------------------------------------------------------------------
-// MIFARE 1K simulate.
-//
-//-----------------------------------------------------------------------------
-void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
-{
- int cardSTATE = MFEMUL_NOFIELD;
- int vHf = 0; // in mV
- int nextCycleTimeout = 0;
- int res;
- uint32_t timer = 0;
- uint32_t selTimer = 0;
- uint32_t authTimer = 0;
- uint32_t par = 0;
- int len = 0;
- uint8_t cardWRBL = 0;
- uint8_t cardAUTHSC = 0;
- uint8_t cardAUTHKEY = 0xff; // no authentication
- uint32_t cuid = 0;
- struct Crypto1State mpcs = {0, 0};
- struct Crypto1State *pcs;
- pcs = &mpcs;
-
- uint64_t key64 = 0xffffffffffffULL;
-
- uint8_t* receivedCmd = eml_get_bigbufptr_recbuf();
- uint8_t *response = eml_get_bigbufptr_sendbuf();
-
- static uint8_t rATQA[] = {0x04, 0x00}; // Mifare classic 1k
-
- static uint8_t rUIDBCC1[] = {0xde, 0xad, 0xbe, 0xaf, 0x62};
- static uint8_t rUIDBCC2[] = {0xde, 0xad, 0xbe, 0xaf, 0x62}; // !!!
-
- static uint8_t rSAK[] = {0x08, 0xb6, 0xdd};
-
- static uint8_t rAUTH_NT[] = {0x1a, 0xac, 0xff, 0x4f};
- static uint8_t rAUTH_AT[] = {0x00, 0x00, 0x00, 0x00};
-
- // clear trace
- traceLen = 0;
- tracing = true;
-
- // emulator memory
- emlClearMem();
- emlGetMemBt(rUIDBCC1, 0, 4);
- rUIDBCC1[4] = rUIDBCC1[0] ^ rUIDBCC1[1] ^ rUIDBCC1[2] ^ rUIDBCC1[3];
-
-// -------------------------------------- test area
-
- // Authenticate response - nonce
- uint8_t *resp1 = (((uint8_t *)BigBuf) + EML_RESPONSES);
- int resp1Len;
-// uint8_t *resp2 = (((uint8_t *)BigBuf) + EML_RESPONSES + 200);
-// int resp2Len;
- CodeIso14443aAsTag(rAUTH_NT, sizeof(rAUTH_NT));
- memcpy(resp1, ToSend, ToSendMax); resp1Len = ToSendMax;
-
- timer = GetTickCount();
- uint32_t nonce = bytes_to_num(rAUTH_NT, 4);
- uint32_t rn_enc = 0x98d76b77; // !!!!!!!!!!!!!!!!!
- uint32_t ans = 0;
- cuid = bytes_to_num(rUIDBCC1, 4);
-/*
- crypto1_create(pcs, key64);
- crypto1_word(pcs, cuid ^ nonce, 0);
- crypto1_word(pcs, rn_enc , 1);
- crypto1_word(pcs, 0, 0);
- ans = prng_successor(nonce, 96) ^ crypto1_word(pcs, 0, 0);
- num_to_bytes(ans, 4, rAUTH_AT);
- CodeIso14443aAsTag(rAUTH_AT, sizeof(rAUTH_AT));
- memcpy(resp2, ToSend, ToSendMax); resp2Len = ToSendMax;
- Dbprintf("crypto auth time: %d", GetTickCount() - timer);
-*/
-// -------------------------------------- END test area
- // start mkseconds counter
- StartCountUS();
-
- // We need to listen to the high-frequency, peak-detected path.
- SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
- FpgaSetupSsc();
-
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_LISTEN);
- SpinDelay(200);
-
- Dbprintf("--> start");
- // calibrate mkseconds counter
- GetDeltaCountUS();
- while (true) {
- WDT_HIT();
-
- if(BUTTON_PRESS()) {
- break;
- }
-
- // find reader field
- // Vref = 3300mV, and an 10:1 voltage divider on the input
- // can measure voltages up to 33000 mV
- if (cardSTATE == MFEMUL_NOFIELD) {
- vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
- if (vHf > MF_MINFIELDV) {
- cardSTATE = MFEMUL_IDLE;
- LED_A_ON();
- }
- }
-
- if (cardSTATE != MFEMUL_NOFIELD) {
- res = EmGetCmd(receivedCmd, &len, 100); // (+ nextCycleTimeout)
- if (res == 2) {
- cardSTATE = MFEMUL_NOFIELD;
- LEDsoff();
- continue;
- }
- if(res) break;
- }
-
- nextCycleTimeout = 0;
-
-// if (len) Dbprintf("len:%d cmd: %02x %02x %02x %02x", len, receivedCmd[0], receivedCmd[1], receivedCmd[2], receivedCmd[3]);
-
- if (len != 4 && cardSTATE != MFEMUL_NOFIELD) { // len != 4 <---- speed up the code 4 authentication
- // REQ or WUP request in ANY state and WUP in HALTED state
- if (len == 1 && ((receivedCmd[0] == 0x26 && cardSTATE != MFEMUL_HALTED) || receivedCmd[0] == 0x52)) {
- selTimer = GetTickCount();
- EmSendCmdEx(rATQA, sizeof(rATQA), (receivedCmd[0] == 0x52));
- cardSTATE = MFEMUL_SELECT1;
-
- // init crypto block
- LED_B_OFF();
- LED_C_OFF();
- crypto1_destroy(pcs);
- cardAUTHKEY = 0xff;
- }
- }
-
- switch (cardSTATE) {
- case MFEMUL_NOFIELD:{
- break;
- }
- case MFEMUL_HALTED:{
- break;
- }
- case MFEMUL_IDLE:{
- break;
- }
- case MFEMUL_SELECT1:{
- // select all
- if (len == 2 && (receivedCmd[0] == 0x93 && receivedCmd[1] == 0x20)) {
- EmSendCmd(rUIDBCC1, sizeof(rUIDBCC1));
-
- if (rUIDBCC1[0] == 0x88) {
- cardSTATE = MFEMUL_SELECT2;
- }
- }
-
- // select card
projects / proxmark3-svn / blobdiff