]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iso14443a.c
added functionality: dump card memory, save|load card memory.
[proxmark3-svn] / armsrc / iso14443a.c
index ce8467bfe37ed1bf78d7136a03002a90360eb03f..74e269da11c92f60e62e82046c3e4ec16ca275fd 100644 (file)
@@ -65,6 +65,13 @@ void iso14a_set_trigger(int enable) {
        trigger = enable;
 }
 
+void iso14a_clear_tracelen(void) {
+       traceLen = 0;
+}
+void iso14a_set_tracing(int enable) {
+       tracing = enable;
+}
+
 //-----------------------------------------------------------------------------
 // Generate the parity value for a byte sequence
 //
@@ -836,7 +843,7 @@ static void CodeIso14443aAsTagPar(const uint8_t *cmd, int len, uint32_t dwParity
 
        // Flush the buffer in FPGA!!
        for(i = 0; i < 5; i++) {
-               ToSend[++ToSendMax] = SEC_F;
+//             ToSend[++ToSendMax] = SEC_F;
        }
 
        // Convert from last byte pos to length
@@ -1989,582 +1996,6 @@ void ReaderMifare(uint32_t parameter)
        if (MF_DBGLEVEL >= 1)   DbpString("COMMAND mifare FINISHED");
 }
 
-//-----------------------------------------------------------------------------
-// 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[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_readblock(pcs, cuid, blockNo, dataoutbuf)) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Read 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("READ BLOCK FINISHED");
-
-       // add trace trailer
-       memset(uid, 0x44, 4);
-       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)) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
-                       break;
-               };
-
-               if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
-                       break;
-               };
-               
-               if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf + 16 * 0)) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 0 error");
-                       break;
-               };
-               if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf + 16 * 1)) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 1 error");
-                       break;
-               };
-               if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf + 16 * 2)) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 2 error");
-                       break;
-               };
-               if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf + 16 * 3)) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 3 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("READ SECTOR FINISHED");
-
-       // add trace trailer
-       memset(uid, 0x44, 4);
-       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)) {
-                       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. 
@@ -2573,6 +2004,7 @@ void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 {
        int cardSTATE = MFEMUL_NOFIELD;
+       int _7BUID = 0;
        int vHf = 0;    // in mV
        int nextCycleTimeout = 0;
        int res;
@@ -2594,12 +2026,13 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        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 rATQA[] = {0x04, 0x00}; // Mifare classic 1k 4BUID
 
        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 rSAK1[] = {0x04, 0xda, 0x17};
 
        static uint8_t rAUTH_NT[] = {0x1a, 0xac, 0xff, 0x4f};
        static uint8_t rAUTH_AT[] = {0x00, 0x00, 0x00, 0x00};
@@ -2608,11 +2041,24 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        traceLen = 0;
        tracing = true;
        
-       // emulator memory
-       emlClearMem();
-       emlGetMemBt(rUIDBCC1, 0, 4);
-       rUIDBCC1[4] = rUIDBCC1[0] ^ rUIDBCC1[1] ^ rUIDBCC1[2] ^ rUIDBCC1[3];
-       
+       // get UID from emul memory
+       emlGetMemBt(receivedCmd, 7, 1);
+       _7BUID = !(receivedCmd[0] == 0x00);
+       if (!_7BUID) {                     // ---------- 4BUID
+               rATQA[0] = 0x04;
+
+               emlGetMemBt(rUIDBCC1, 0, 4);
+               rUIDBCC1[4] = rUIDBCC1[0] ^ rUIDBCC1[1] ^ rUIDBCC1[2] ^ rUIDBCC1[3];
+       } else {                           // ---------- 7BUID
+               rATQA[0] = 0x44;
+
+               rUIDBCC1[0] = 0x88;
+               emlGetMemBt(&rUIDBCC1[1], 0, 3);
+               rUIDBCC1[4] = rUIDBCC1[0] ^ rUIDBCC1[1] ^ rUIDBCC1[2] ^ rUIDBCC1[3];
+               emlGetMemBt(rUIDBCC2, 3, 4);
+               rUIDBCC2[4] = rUIDBCC2[0] ^ rUIDBCC2[1] ^ rUIDBCC2[2] ^ rUIDBCC2[3];
+       }
+
 // --------------------------------------      test area
 
    // Authenticate response - nonce
@@ -2650,7 +2096,7 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
   FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_LISTEN);
        SpinDelay(200);
 
-       Dbprintf("--> start");
+       Dbprintf("--> start. 7buid=%d", _7BUID);
        // calibrate mkseconds counter
        GetDeltaCountUS();
        while (true) {
@@ -2714,19 +2160,23 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                                // select all
                                if (len == 2 && (receivedCmd[0] == 0x93 && receivedCmd[1] == 0x20)) {
                                        EmSendCmd(rUIDBCC1, sizeof(rUIDBCC1));
-
-                                       if (rUIDBCC1[0] == 0x88) {
-                                               cardSTATE = MFEMUL_SELECT2;
-                                       }
                                }
 
                                // select card
                                if (len == 9 && 
                                                (receivedCmd[0] == 0x93 && receivedCmd[1] == 0x70 && memcmp(&receivedCmd[2], rUIDBCC1, 4) == 0)) {
-                                       EmSendCmd(rSAK, sizeof(rSAK));
+                                       if (!_7BUID) 
+                                               EmSendCmd(rSAK, sizeof(rSAK));
+                                       else
+                                               EmSendCmd(rSAK1, sizeof(rSAK1));
 
                                        cuid = bytes_to_num(rUIDBCC1, 4);
-                                       cardSTATE = MFEMUL_WORK;
+                                       if (!_7BUID) {
+                                               cardSTATE = MFEMUL_WORK;
+                                       } else {
+                                               cardSTATE = MFEMUL_SELECT2;
+                                               break;
+                                       }
                                        LED_B_ON();
                                        Dbprintf("--> WORK. anticol1 time: %d", GetTickCount() - selTimer);
                                }
@@ -2734,12 +2184,23 @@ void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                                break;
                        }
                        case MFEMUL_SELECT2:{
+                               if (len == 2 && (receivedCmd[0] == 0x95 && receivedCmd[1] == 0x20)) {
                                        EmSendCmd(rUIDBCC2, sizeof(rUIDBCC2));
+                                       break;
+                               }
 
-                               cuid = bytes_to_num(rUIDBCC2, 4);
-                               cardSTATE = MFEMUL_WORK;
-                               LED_B_ON();
-Dbprintf("--> WORK. anticol2 time: %d", GetTickCount() - selTimer);
+                               // select 2 card
+                               if (len == 9 && 
+                                               (receivedCmd[0] == 0x95 && receivedCmd[1] == 0x70 && memcmp(&receivedCmd[2], rUIDBCC2, 4) == 0)) {
+                                       EmSendCmd(rSAK, sizeof(rSAK));
+
+                                       cuid = bytes_to_num(rUIDBCC2, 4);
+                                       cardSTATE = MFEMUL_WORK;
+                                       LED_B_ON();
+                                       Dbprintf("--> WORK. anticol2 time: %d", GetTickCount() - selTimer);
+                                       break;
+                               }
+                               // TODO: goto work state - i guess there is a command
                                break;
                        }
                        case MFEMUL_AUTH1:{
@@ -2775,6 +2236,7 @@ Dbprintf("AUTH COMPLETED. sec=%d, key=%d time=%d", cardAUTHSC, cardAUTHKEY, GetT
                                if (len == 4 && (receivedCmd[0] == 0x60 || receivedCmd[0] == 0x61)) {
 authTimer = GetTickCount();
 //                                     EmSendCmd(rAUTH_NT, sizeof(rAUTH_NT));
+//SpinDelayUs(190);
                                        EmSendCmd14443aRaw(resp1, resp1Len, 0);
 LogTrace(NULL, 0, GetDeltaCountUS(), 0, TRUE);
 //                                     crypto1_create(pcs, key64);
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