X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a88dc6ab3b734bc0c501c24cd26cc2142289c10a..16a372ab75c10b0ffb3786adc4029cd1df2f6066:/armsrc/mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 6a491b53..981a00e9 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -1,1196 +1,1347 @@
-//-----------------------------------------------------------------------------
-// Merlok - June 2011, 2012
-// Gerhard de Koning Gans - May 2008
-// Hagen Fritsch - June 2010
-//
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,
-// at your option, any later version. See the LICENSE.txt file for the text of
-// the license.
-//-----------------------------------------------------------------------------
-// Routines to support ISO 14443 type A.
-//-----------------------------------------------------------------------------
-
-#include "mifarecmd.h"
-#include "apps.h"
-
-//-----------------------------------------------------------------------------
-// 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[10];
-	uint32_t cuid;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
-
-	// clear trace
-	iso14a_clear_trace();
-//	iso14a_set_tracing(false);
-
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-	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();
-  cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
-//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-	LED_B_OFF();
-
-
-  // Thats it...
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-//  iso14a_set_tracing(TRUE);
-
-}
-
-void MifareUReadBlock(uint8_t arg0,uint8_t *datain)
-{
-    // params
-	uint8_t blockNo = arg0;
-	
-	// variables
-	byte_t isOK = 0;
-	byte_t dataoutbuf[16];
-	uint8_t uid[10];
-	uint32_t cuid;
-    
-	// clear trace
-	iso14a_clear_trace();
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-    
-	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_ultra_readblock(cuid, blockNo, dataoutbuf)) {
-            if (MF_DBGLEVEL >= 1)	Dbprintf("Read block error");
-			break;
-		};
-        
-		if(mifare_ultra_halt(cuid)) {
-            if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
-			break;
-		};
-		
-		isOK = 1;
-		break;
-	}
-	
-	if (MF_DBGLEVEL >= 2)	DbpString("READ BLOCK FINISHED");
-    
-	// add trace trailer
-	memset(uid, 0x44, 4);
-	LogTrace(uid, 4, 0, 0, TRUE);
-	LED_B_ON();
-        cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
-	LED_B_OFF();
-    
-    
-    // Thats it...
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-}
-
-//-----------------------------------------------------------------------------
-// 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[10];
-	uint32_t cuid;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
-
-	// clear trace
-	iso14a_clear_trace();
-//	iso14a_set_tracing(false);
-
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-	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();
-  cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,32);
-//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-//	SpinDelay(100);
-	
-//	memcpy(ack.d.asBytes, dataoutbuf + 16 * 2, 16 * 2);
-//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-  cmd_send(CMD_ACK,isOK,0,0,dataoutbuf+32, 32);
-	LED_B_OFF();
-
-	// Thats it...
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-//  iso14a_set_tracing(TRUE);
-
-}
-
-void MifareUReadCard(uint8_t arg0, uint8_t *datain)
-{
-  // params
-        uint8_t sectorNo = arg0;
-        
-        // variables
-        byte_t isOK = 0;
-        byte_t dataoutbuf[16 * 4];
-        uint8_t uid[10];
-        uint32_t cuid;
-
-        // clear trace
-        iso14a_clear_trace();
-//      iso14a_set_tracing(false);
-
-		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-        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;
-                };
-		for(int sec=0;sec<16;sec++){
-                    if(mifare_ultra_readblock(cuid, sectorNo * 4 + sec, dataoutbuf + 4 * sec)) {
-                    if (MF_DBGLEVEL >= 1)   Dbprintf("Read block %d error",sec);
-                        break;
-                    };
-                }
-                if(mifare_ultra_halt(cuid)) {
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
-                        break;
-                };
-
-                isOK = 1;
-                break;
-        }
-        
-        if (MF_DBGLEVEL >= 2) DbpString("READ CARD FINISHED");
-
-        // add trace trailer
-        memset(uid, 0x44, 4);
-        LogTrace(uid, 4, 0, 0, TRUE);
-        
-        LED_B_ON();
-		cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,64);
-  //cmd_send(CMD_ACK,isOK,0,0,dataoutbuf+32, 32);
-        LED_B_OFF();
-
-        // Thats it...
-        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-        LEDsoff();
-//  iso14a_set_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[10];
-	uint32_t cuid;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
-
-	// clear trace
-	iso14a_clear_trace();
-//  iso14a_set_tracing(false);
-
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-	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();
-	cmd_send(CMD_ACK,isOK,0,0,0,0);
-//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-	LED_B_OFF();
-
-
-	// Thats it...
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-//  iso14a_set_tracing(TRUE);
-
-}
-
-void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
-{
-        // params
-        uint8_t blockNo = arg0;
-        byte_t blockdata[16];
-
-        memset(blockdata,'\0',16);
-        memcpy(blockdata, datain,16);
-        
-        // variables
-        byte_t isOK = 0;
-        uint8_t uid[10];
-        uint32_t cuid;
-
-        // clear trace
-        iso14a_clear_trace();
-	//  iso14a_set_tracing(false);
-
-		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-        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_ultra_writeblock(cuid, blockNo, blockdata)) {
-                        if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
-                        break;
-                };
-
-                if(mifare_ultra_halt(cuid)) {
-                        if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
-                        break;
-                };
-                
-                isOK = 1;
-                break;
-        }
-        
-        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
-
-        // add trace trailer
-        memset(uid, 0x44, 4);
-        LogTrace(uid, 4, 0, 0, TRUE);
-
-        LED_B_ON();
-  	cmd_send(CMD_ACK,isOK,0,0,0,0);
-//      UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-        LED_B_OFF();
-
-
-        // Thats it...
-        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-        LEDsoff();
-//  iso14a_set_tracing(TRUE);
-
-}
-
-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
-{
-        // params
-        uint8_t blockNo = arg0;
-        byte_t blockdata[4];
-        
-	memcpy(blockdata, datain,4);
-
-        // variables
-        byte_t isOK = 0;
-        uint8_t uid[10];
-        uint32_t cuid;
-
-        // clear trace
-        iso14a_clear_trace();
-        //  iso14a_set_tracing(false);
-
-		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-        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_ultra_special_writeblock(cuid, blockNo, blockdata)) {
-                        if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
-                        break;
-                };
-
-                if(mifare_ultra_halt(cuid)) {
-                        if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
-                        break;
-                };
-
-                isOK = 1;
-                break;
-        }
-
-        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
-
-        // add trace trailer
-	memset(uid, 0x44, 4);
-        LogTrace(uid, 4, 0, 0, TRUE);
-
-       LED_B_ON();
-        cmd_send(CMD_ACK,isOK,0,0,0,0);
-//      UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-        LED_B_OFF();
-
-
-        // Thats it...
-        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-        LEDsoff();
-//  iso14a_set_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 calibrate, uint8_t *datain)
-{
-	// params
-	uint8_t blockNo = arg0 & 0xff;
-	uint8_t keyType = (arg0 >> 8) & 0xff;
-	uint8_t targetBlockNo = arg1 & 0xff;
-	uint8_t targetKeyType = (arg1 >> 8) & 0xff;
-	uint64_t ui64Key = 0;
-
-	ui64Key = bytes_to_num(datain, 6);
-	
-	// variables
-	uint16_t rtr, i, j, len;
-	uint16_t davg;
-	static uint16_t dmin, dmax;
-	uint8_t uid[10];
-	uint32_t cuid, nt1, nt2, nttmp, nttest, par, ks1;
-	uint32_t target_nt[2], target_ks[2];
-	
-	uint8_t par_array[4];
-	uint16_t ncount = 0;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
-	uint8_t* receivedAnswer = mifare_get_bigbufptr();
-
-	uint32_t auth1_time, auth2_time;
-	static uint16_t delta_time;
-
-	// clear trace
-	iso14a_clear_trace();
-	iso14a_set_tracing(false);
-	
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-	LED_A_ON();
-	LED_C_OFF();
-
-
-	// statistics on nonce distance
-	if (calibrate) {	// for first call only. Otherwise reuse previous calibration
-		LED_B_ON();
-
-		davg = dmax = 0;
-		dmin = 2000;
-		delta_time = 0;
-		
-		for (rtr = 0; rtr < 17; rtr++) {
-
-			// prepare next select. No need to power down the card.
-			if(mifare_classic_halt(pcs, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Halt error");
-				rtr--;
-				continue;
-			}
-
-			if(!iso14443a_select_card(uid, NULL, &cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Can't select card");
-				rtr--;
-				continue;
-			};
-
-			auth1_time = 0;
-			if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth1 error");
-				rtr--;
-				continue;
-			};
-
-			if (delta_time) {
-				auth2_time = auth1_time + delta_time;
-			} else {
-				auth2_time = 0;
-			}
-			if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth2 error");
-				rtr--;
-				continue;
-			};
-
-			nttmp = prng_successor(nt1, 100);				//NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
-			for (i = 101; i < 1200; i++) {
-				nttmp = prng_successor(nttmp, 1);
-				if (nttmp == nt2) break;
-			}
-
-			if (i != 1200) {
-				if (rtr != 0) {
-					davg += i;
-					dmin = MIN(dmin, i);
-					dmax = MAX(dmax, i);
-				}
-				else {
-					delta_time = auth2_time - auth1_time + 32;  // allow some slack for proper timing
-				}
-				if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
-			}
-		}
-		
-		if (rtr <= 1)	return;
-
-		davg = (davg + (rtr - 1)/2) / (rtr - 1);
-		
-		if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);
-
-		dmin = davg - 2;
-		dmax = davg + 2;
-		
-		LED_B_OFF();
-	
-	}
-//  -------------------------------------------------------------------------------------------------	
-	
-	LED_C_ON();
-
-	//  get crypted nonces for target sector
-	for(i=0; i < 2; i++) { // look for exactly two different nonces
-
-		target_nt[i] = 0;
-		while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
-		
-			// prepare next select. No need to power down the card.
-			if(mifare_classic_halt(pcs, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Halt error");
-				continue;
-			}
-
-			if(!iso14443a_select_card(uid, NULL, &cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Can't select card");
-				continue;
-			};
-		
-			auth1_time = 0;
-			if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth1 error");
-				continue;
-			};
-
-			// nested authentication
-			auth2_time = auth1_time + delta_time;
-			len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, &par, &auth2_time);
-			if (len != 4) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth2 error len=%d", len);
-				continue;
-			};
-		
-			nt2 = bytes_to_num(receivedAnswer, 4);		
-			if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par);
-			
-			// Parity validity check
-			for (j = 0; j < 4; j++) {
-				par_array[j] = (oddparity(receivedAnswer[j]) != ((par & 0x08) >> 3));
-				par = par << 1;
-			}
-			
-			ncount = 0;
-			nttest = prng_successor(nt1, dmin - 1);
-			for (j = dmin; j < dmax + 1; j++) {
-				nttest = prng_successor(nttest, 1);
-				ks1 = nt2 ^ nttest;
-
-				if (valid_nonce(nttest, nt2, ks1, par_array)){
-					if (ncount > 0) { 		// we are only interested in disambiguous nonces, try again
-						if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
-						target_nt[i] = 0;
-						break;
-					}
-					target_nt[i] = nttest;
-					target_ks[i] = ks1;
-					ncount++;
-					if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
-						target_nt[i] = 0;
-						if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
-						break;
-					}
-					if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
-				}
-			}
-			if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
-		}
-	}
-
-	LED_C_OFF();
-	
-	//  ----------------------------- crypto1 destroy
-	crypto1_destroy(pcs);
-	
-	// add trace trailer
-	memset(uid, 0x44, 4);
-	LogTrace(uid, 4, 0, 0, TRUE);
-
-	byte_t buf[4 + 4 * 4];
-	memcpy(buf, &cuid, 4);
-	memcpy(buf+4, &target_nt[0], 4);
-	memcpy(buf+8, &target_ks[0], 4);
-	memcpy(buf+12, &target_nt[1], 4);
-	memcpy(buf+16, &target_ks[1], 4);
-	
-	LED_B_ON();
-	cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
-	LED_B_OFF();
-
-	if (MF_DBGLEVEL >= 3)	DbpString("NESTED FINISHED");
-
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-	iso14a_set_tracing(TRUE);
-}
-
-//-----------------------------------------------------------------------------
-// MIFARE check keys. key count up to 85. 
-// 
-//-----------------------------------------------------------------------------
-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[10];
-	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
-	iso14a_clear_trace();
-	iso14a_set_tracing(TRUE);
-
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-	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);
-		// prepare next select by sending a HALT. There is no need to power down the card.
-		if(mifare_classic_halt(pcs, cuid)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Halt error");
-		}
-
-		// SpinDelay(50);
-		
-		if(!iso14443a_select_card(uid, NULL, &cuid)) {
-			if (OLD_MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: 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);
-
-	LED_B_ON();
-    cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
-	LED_B_OFF();
-
-  // Thats it...
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-
-	// restore debug level
-	MF_DBGLEVEL = OLD_MF_DBGLEVEL;	
-}
-
-//-----------------------------------------------------------------------------
-// MIFARE commands set debug level
-// 
-//-----------------------------------------------------------------------------
-void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
-	MF_DBGLEVEL = arg0;
-	Dbprintf("Debug level: %d", MF_DBGLEVEL);
-}
-
-//-----------------------------------------------------------------------------
-// Work with emulator memory
-// 
-//-----------------------------------------------------------------------------
-void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
-	emlClearMem();
-}
-
-void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
-	emlSetMem(datain, arg0, arg1); // data, block num, blocks count
-}
-
-void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
-//	UsbCommand ack = {CMD_ACK, {arg0, arg1, 0}};
-
-  byte_t buf[48];
-	emlGetMem(buf, arg0, arg1); // data, block num, blocks count
-
-	LED_B_ON();
-  cmd_send(CMD_ACK,arg0,arg1,0,buf,48);
-//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-	LED_B_OFF();
-}
-
-//-----------------------------------------------------------------------------
-// Load a card into the emulator memory
-// 
-//-----------------------------------------------------------------------------
-void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
-	int i;
-	uint8_t sectorNo = 0;
-	uint8_t keyType = arg1;
-	uint64_t ui64Key = 0;
-	uint32_t cuid;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
-
-	// variables
-	byte_t dataoutbuf[16];
-	byte_t dataoutbuf2[16];
-	uint8_t uid[10];
-
-	// clear trace
-	iso14a_clear_trace();
-	iso14a_set_tracing(false);
-	
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-	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;
-		};
-		
-		for (i = 0; i < 16; i++) {
-			sectorNo = i;
-			ui64Key = emlGetKey(sectorNo, keyType);
-	
-			if (!i){
-				if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {
-					if (MF_DBGLEVEL >= 1)	Dbprintf("Sector[%d]. Auth error", i);
-					break;
-				}
-			} else {
-				if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_NESTED)) {
-					if (MF_DBGLEVEL >= 1)	Dbprintf("Sector[%d]. Auth nested error", i);
-					break;
-				}
-			}
-		
-			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 0 error");
-				break;
-			};
-			emlSetMem(dataoutbuf, sectorNo * 4 + 0, 1);
-			
-			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 1 error");
-				break;
-			};
-			emlSetMem(dataoutbuf, sectorNo * 4 + 1, 1);
-
-			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 2 error");
-				break;
-			};
-			emlSetMem(dataoutbuf, sectorNo * 4 + 2, 1);
-
-			// get block 3 bytes 6-9
-			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 3 error");
-				break;
-			};
-			emlGetMem(dataoutbuf2, sectorNo * 4 + 3, 1);
-			memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
-			emlSetMem(dataoutbuf2,  sectorNo * 4 + 3, 1);
-		}
-
-		if(mifare_classic_halt(pcs, cuid)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
-			break;
-		};
-		
-		break;
-	}	
-
-	//  ----------------------------- crypto1 destroy
-	crypto1_destroy(pcs);
-
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-	
-	if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
-
-	// add trace trailer
-	memset(uid, 0x44, 4);
-	LogTrace(uid, 4, 0, 0, TRUE);
-}
-
-//-----------------------------------------------------------------------------
-// MIFARE 1k emulator
-// 
-//-----------------------------------------------------------------------------
-
-
-//-----------------------------------------------------------------------------
-// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
-// 
-//-----------------------------------------------------------------------------
-void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
-  
-  // params
-	uint8_t needWipe = arg0;
-	// bit 0 - need get UID
-	// bit 1 - need wupC
-	// bit 2 - need HALT after sequence
-	// bit 3 - need init FPGA and field before sequence
-	// bit 4 - need reset FPGA and LED
-	uint8_t workFlags = arg1;
-	uint8_t blockNo = arg2;
-	
-	// card commands
-	uint8_t wupC1[]       = { 0x40 }; 
-	uint8_t wupC2[]       = { 0x43 }; 
-	uint8_t wipeC[]       = { 0x41 }; 
-	
-	// variables
-	byte_t isOK = 0;
-	uint8_t uid[10];
-	uint8_t d_block[18];
-	uint32_t cuid;
-	
-	memset(uid, 0x00, 10);
-	uint8_t* receivedAnswer = mifare_get_bigbufptr();
-	
-	if (workFlags & 0x08) {
-		// clear trace
-		iso14a_clear_trace();
-		iso14a_set_tracing(TRUE);
-
-		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-		LED_A_ON();
-		LED_B_OFF();
-		LED_C_OFF();
-	
-		SpinDelay(300);
-		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-		SpinDelay(100);
-		FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-	}
-
-	while (true) {
-		// get UID from chip
-		if (workFlags & 0x01) {
-			if(!iso14443a_select_card(uid, NULL, &cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card");
-				break;
-			};
-
-			if(mifare_classic_halt(NULL, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
-				break;
-			};
-		};
-	
-		// reset chip
-		if (needWipe){
-      ReaderTransmitBitsPar(wupC1,7,0, NULL);
-			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
-				break;
-			};
-
-			ReaderTransmit(wipeC, sizeof(wipeC), NULL);
-			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wipeC error");
-				break;
-			};
-
-			if(mifare_classic_halt(NULL, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
-				break;
-			};
-		};	
-
-		// write block
-		if (workFlags & 0x02) {
-      ReaderTransmitBitsPar(wupC1,7,0, NULL);
-			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
-				break;
-			};
-
-			ReaderTransmit(wupC2, sizeof(wupC2), NULL);
-			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC2 error");
-				break;
-			};
-		}
-
-		if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("write block send command error");
-			break;
-		};
-	
-		memcpy(d_block, datain, 16);
-		AppendCrc14443a(d_block, 16);
-	
-		ReaderTransmit(d_block, sizeof(d_block), NULL);
-		if ((ReaderReceive(receivedAnswer) != 1) || (receivedAnswer[0] != 0x0a)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("write block send data error");
-			break;
-		};	
-	
-		if (workFlags & 0x04) {
-			if (mifare_classic_halt(NULL, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
-				break;
-			};
-		}
-		
-		isOK = 1;
-		break;
-	}
-	
-//	UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
-//	if (isOK) memcpy(ack.d.asBytes, uid, 4);
-	
-	// add trace trailer
-	/**
-	*	Removed by Martin, the uid is overwritten with 0x44, 
-	*	which can 't be intended. 
-	*
-	*	memset(uid, 0x44, 4);
-	*	LogTrace(uid, 4, 0, 0, TRUE);
-	**/
-	
-
-	LED_B_ON();
-  cmd_send(CMD_ACK,isOK,0,0,uid,4);
-//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-	LED_B_OFF();
-
-	if ((workFlags & 0x10) || (!isOK)) {
-		// Thats it...
-		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-		LEDsoff();
-	}
-}
-
-void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
-  
-  // params
-	// bit 1 - need wupC
-	// bit 2 - need HALT after sequence
-	// bit 3 - need init FPGA and field before sequence
-	// bit 4 - need reset FPGA and LED
-	uint8_t workFlags = arg0;
-	uint8_t blockNo = arg2;
-	
-	// card commands
-	uint8_t wupC1[]       = { 0x40 }; 
-	uint8_t wupC2[]       = { 0x43 }; 
-	
-	// variables
-	byte_t isOK = 0;
-	uint8_t data[18];
-	uint32_t cuid = 0;
-	
-	memset(data, 0x00, 18);
-	uint8_t* receivedAnswer = mifare_get_bigbufptr();
-	
-	if (workFlags & 0x08) {
-		// clear trace
-		iso14a_clear_trace();
-		iso14a_set_tracing(TRUE);
-
-		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-
-		LED_A_ON();
-		LED_B_OFF();
-		LED_C_OFF();
-	
-		SpinDelay(300);
-		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-		SpinDelay(100);
-		FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-	}
-
-	while (true) {
-		if (workFlags & 0x02) {
-			ReaderTransmitBitsPar(wupC1,7,0, NULL);
-			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
-				break;
-			};
-
-			ReaderTransmit(wupC2, sizeof(wupC2), NULL);
-			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC2 error");
-				break;
-			};
-		}
-
-		// read block
-		if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, NULL) != 18)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("read block send command error");
-			break;
-		};
-		memcpy(data, receivedAnswer, 18);
-		
-		if (workFlags & 0x04) {
-			if (mifare_classic_halt(NULL, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
-				break;
-			};
-		}
-		
-		isOK = 1;
-		break;
-	}
-	
-//	UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
-//	if (isOK) memcpy(ack.d.asBytes, data, 18);
-	
-	// add trace trailer
-	/*
-	* Removed by Martin, this piece of overwrites the 'data' variable 
-	* which is sent two lines down, and is obviously not correct. 
-	* 
-	* memset(data, 0x44, 4);
-	* LogTrace(data, 4, 0, 0, TRUE);
-	*/
-	LED_B_ON();
-  cmd_send(CMD_ACK,isOK,0,0,data,18);
-//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
-	LED_B_OFF();
-
-	if ((workFlags & 0x10) || (!isOK)) {
-		// Thats it...
-		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-		LEDsoff();
-	}
-}
-
+//-----------------------------------------------------------------------------
+// Merlok - June 2011, 2012
+// Gerhard de Koning Gans - May 2008
+// Hagen Fritsch - June 2010
+// Midnitesnake - Dec 2013
+// Andy Davies  - Apr 2014
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Routines to support ISO 14443 type A.
+//-----------------------------------------------------------------------------
+
+#include "mifarecmd.h"
+#include "apps.h"
+
+//-----------------------------------------------------------------------------
+// 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[10];
+	uint32_t cuid;
+	struct Crypto1State mpcs = {0, 0};
+	struct Crypto1State *pcs;
+	pcs = &mpcs;
+
+	// clear trace
+	iso14a_clear_trace();
+//	iso14a_set_tracing(false);
+
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	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);
+	
+	LED_B_ON();
+	cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
+	LED_B_OFF();
+
+
+	// Thats it...
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+	//iso14a_set_tracing(TRUE);
+
+}
+
+
+void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){
+	// variables
+	byte_t isOK = 0;
+	byte_t dataoutbuf[16];
+	uint8_t uid[10];
+	uint32_t cuid;
+    
+	// clear trace
+	iso14a_clear_trace();
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+    
+	LED_A_ON();
+	LED_B_OFF();
+	LED_C_OFF();
+	
+
+	if(!iso14443a_select_card(uid, NULL, &cuid)) {
+          if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card, something went wrong before auth");
+	};
+
+	if(mifare_ultra_auth1(cuid, dataoutbuf)){
+	  if (MF_DBGLEVEL >= 1)	Dbprintf("Authentication part1: Fail.");    
+	}
+
+	isOK=1;
+	if (MF_DBGLEVEL >= 2)	DbpString("AUTH 1 FINISHED");
+    
+	LED_B_ON();
+        cmd_send(CMD_ACK,isOK,cuid,0,dataoutbuf,11);
+	LED_B_OFF();
+	  
+	// Thats it...
+	//FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+}
+void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
+	// params
+	uint32_t cuid = arg0;
+	uint8_t key[16]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+	// variables
+	byte_t isOK = 0;
+	byte_t dataoutbuf[16];
+    
+	memcpy(key, datain, 16);
+	// clear trace
+	//iso14a_clear_trace();
+	//iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+    
+	LED_A_ON();
+	LED_B_OFF();
+	LED_C_OFF();
+
+//	Dbprintf("Sending %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+//		 key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7],key[8],
+//		 key[9],key[10],key[11],key[12],key[13],key[14],key[15]);
+	
+	if(mifare_ultra_auth2(cuid, key, dataoutbuf)){
+	    if (MF_DBGLEVEL >= 1) Dbprintf("Authentication part2: Fail...");    
+	}
+	isOK=1;
+	if (MF_DBGLEVEL >= 2)	DbpString("AUTH 2 FINISHED");
+    
+	LED_B_ON();
+        cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,11);
+	LED_B_OFF();
+    
+    // Thats it...
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+}
+
+void MifareUReadBlock(uint8_t arg0, uint8_t *datain )
+{
+    // params
+	uint8_t blockNo = arg0;
+	//uint8_t key[16]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+	// variables
+	byte_t isOK = 0;
+	byte_t dataoutbuf[16];
+	uint8_t uid[10];
+	uint32_t cuid;
+    
+	//memcpy(key, datain + 10, 26);
+	
+	// clear trace
+	iso14a_clear_trace();
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+    
+	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_ultra_readblock(cuid, blockNo, dataoutbuf)) {
+            if (MF_DBGLEVEL >= 1)	Dbprintf("Read block error");
+			break;
+	  };
+        
+	  if(mifare_ultra_halt(cuid)) {
+            if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+			break;
+	  };	
+	  isOK = 1;
+	  break;
+	}
+	
+	if (MF_DBGLEVEL >= 2)	DbpString("READ BLOCK FINISHED");
+    
+	// add trace trailer
+	memset(uid, 0x44, 4);
+	LogTrace(uid, 4, 0, 0, TRUE);
+	LED_B_ON();
+        cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
+	LED_B_OFF();
+    
+    
+    // Thats it...
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+}
+
+//-----------------------------------------------------------------------------
+// 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[10];
+	uint32_t cuid;
+	struct Crypto1State mpcs = {0, 0};
+	struct Crypto1State *pcs;
+	pcs = &mpcs;
+
+	// clear trace
+	iso14a_clear_trace();
+//	iso14a_set_tracing(false);
+
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	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();
+  cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,32);
+//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+//	SpinDelay(100);
+	
+//	memcpy(ack.d.asBytes, dataoutbuf + 16 * 2, 16 * 2);
+//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+  cmd_send(CMD_ACK,isOK,0,0,dataoutbuf+32, 32);
+	LED_B_OFF();
+
+	// Thats it...
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+//  iso14a_set_tracing(TRUE);
+
+}
+
+void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)
+{
+  // params
+        uint8_t sectorNo = arg0;
+        int Pages=arg1;
+	int count_Pages=0;
+        // variables
+        byte_t isOK = 0;
+        byte_t dataoutbuf[44 * 4];
+        uint8_t uid[10];
+        uint32_t cuid;
+
+        // clear trace
+        iso14a_clear_trace();
+//      iso14a_set_tracing(false);
+
+		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+        LED_A_ON();
+        LED_B_OFF();
+        LED_C_OFF();
+        Dbprintf("Pages %d",Pages);
+        while (true) {
+                if(!iso14443a_select_card(uid, NULL, &cuid)) {
+                if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
+                        break;
+                };
+		for(int sec=0;sec<Pages;sec++){
+                    if(mifare_ultra_readblock(cuid, sectorNo * 4 + sec, dataoutbuf + 4 * sec)) {
+                      if (MF_DBGLEVEL >= 1)   Dbprintf("Read block %d error",sec);
+                        break;
+                    }else{
+		      count_Pages++;
+		    };
+                }
+                if(mifare_ultra_halt(cuid)) {
+                if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
+                        break;
+                };
+
+                isOK = 1;
+                break;
+        }
+        Dbprintf("Pages read %d",count_Pages);
+        if (MF_DBGLEVEL >= 2) DbpString("READ CARD FINISHED");
+
+        // add trace trailer
+        //memset(uid, 0x44, 4);
+        //LogTrace(uid, 4, 0, 0, TRUE);
+        
+        LED_B_ON();
+	if (Pages==16) cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,64);
+	if (Pages==44 && count_Pages==16) cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,64);
+	if (Pages==44 && count_Pages>16) cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,176);
+        //cmd_send(CMD_ACK,isOK,0,0,dataoutbuf+32, 32);
+        LED_B_OFF();
+
+        // Thats it...
+        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+        LEDsoff();
+//  iso14a_set_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[10];
+	uint32_t cuid;
+	struct Crypto1State mpcs = {0, 0};
+	struct Crypto1State *pcs;
+	pcs = &mpcs;
+
+	// clear trace
+	iso14a_clear_trace();
+//  iso14a_set_tracing(false);
+
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	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();
+	cmd_send(CMD_ACK,isOK,0,0,0,0);
+//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+	LED_B_OFF();
+
+
+	// Thats it...
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+//  iso14a_set_tracing(TRUE);
+
+}
+
+void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
+{
+        // params
+        uint8_t blockNo = arg0;
+        byte_t blockdata[16];
+
+        memset(blockdata,'\0',16);
+        memcpy(blockdata, datain,16);
+        
+        // variables
+        byte_t isOK = 0;
+        uint8_t uid[10];
+        uint32_t cuid;
+
+        // clear trace
+        iso14a_clear_trace();
+	//  iso14a_set_tracing(false);
+
+		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+        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_ultra_writeblock(cuid, blockNo, blockdata)) {
+                        if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
+                        break;
+                };
+
+                if(mifare_ultra_halt(cuid)) {
+                        if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
+                        break;
+                };
+                
+                isOK = 1;
+                break;
+        }
+        
+        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
+
+        // add trace trailer
+        memset(uid, 0x44, 4);
+        LogTrace(uid, 4, 0, 0, TRUE);
+
+        LED_B_ON();
+  	cmd_send(CMD_ACK,isOK,0,0,0,0);
+//      UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+        LED_B_OFF();
+
+
+        // Thats it...
+        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+        LEDsoff();
+//  iso14a_set_tracing(TRUE);
+
+}
+
+void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
+{
+        // params
+        uint8_t blockNo = arg0;
+        byte_t blockdata[4];
+        
+	memcpy(blockdata, datain,4);
+
+        // variables
+        byte_t isOK = 0;
+        uint8_t uid[10];
+        uint32_t cuid;
+
+        // clear trace
+        iso14a_clear_trace();
+        //  iso14a_set_tracing(false);
+
+		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+        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_ultra_special_writeblock(cuid, blockNo, blockdata)) {
+                        if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
+                        break;
+                };
+
+                if(mifare_ultra_halt(cuid)) {
+                        if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
+                        break;
+                };
+
+                isOK = 1;
+                break;
+        }
+
+        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
+
+        // add trace trailer
+	memset(uid, 0x44, 4);
+        LogTrace(uid, 4, 0, 0, TRUE);
+
+       LED_B_ON();
+        cmd_send(CMD_ACK,isOK,0,0,0,0);
+//      UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+        LED_B_OFF();
+
+
+        // Thats it...
+        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+        LEDsoff();
+//  iso14a_set_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 calibrate, uint8_t *datain)
+{
+	// params
+	uint8_t blockNo = arg0 & 0xff;
+	uint8_t keyType = (arg0 >> 8) & 0xff;
+	uint8_t targetBlockNo = arg1 & 0xff;
+	uint8_t targetKeyType = (arg1 >> 8) & 0xff;
+	uint64_t ui64Key = 0;
+
+	ui64Key = bytes_to_num(datain, 6);
+	
+	// variables
+	uint16_t rtr, i, j, len;
+	uint16_t davg;
+	static uint16_t dmin, dmax;
+	uint8_t uid[10];
+	uint32_t cuid, nt1, nt2, nttmp, nttest, par, ks1;
+	uint32_t target_nt[2], target_ks[2];
+	
+	uint8_t par_array[4];
+	uint16_t ncount = 0;
+	struct Crypto1State mpcs = {0, 0};
+	struct Crypto1State *pcs;
+	pcs = &mpcs;
+	uint8_t* receivedAnswer = mifare_get_bigbufptr();
+
+	uint32_t auth1_time, auth2_time;
+	static uint16_t delta_time;
+
+	// clear trace
+	iso14a_clear_trace();
+	iso14a_set_tracing(false);
+	
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	LED_A_ON();
+	LED_C_OFF();
+
+
+	// statistics on nonce distance
+	if (calibrate) {	// for first call only. Otherwise reuse previous calibration
+		LED_B_ON();
+
+		davg = dmax = 0;
+		dmin = 2000;
+		delta_time = 0;
+		
+		for (rtr = 0; rtr < 17; rtr++) {
+
+			// prepare next select. No need to power down the card.
+			if(mifare_classic_halt(pcs, cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Halt error");
+				rtr--;
+				continue;
+			}
+
+			if(!iso14443a_select_card(uid, NULL, &cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Can't select card");
+				rtr--;
+				continue;
+			};
+
+			auth1_time = 0;
+			if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth1 error");
+				rtr--;
+				continue;
+			};
+
+			if (delta_time) {
+				auth2_time = auth1_time + delta_time;
+			} else {
+				auth2_time = 0;
+			}
+			if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth2 error");
+				rtr--;
+				continue;
+			};
+
+			nttmp = prng_successor(nt1, 100);				//NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
+			for (i = 101; i < 1200; i++) {
+				nttmp = prng_successor(nttmp, 1);
+				if (nttmp == nt2) break;
+			}
+
+			if (i != 1200) {
+				if (rtr != 0) {
+					davg += i;
+					dmin = MIN(dmin, i);
+					dmax = MAX(dmax, i);
+				}
+				else {
+					delta_time = auth2_time - auth1_time + 32;  // allow some slack for proper timing
+				}
+				if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
+			}
+		}
+		
+		if (rtr <= 1)	return;
+
+		davg = (davg + (rtr - 1)/2) / (rtr - 1);
+		
+		if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);
+
+		dmin = davg - 2;
+		dmax = davg + 2;
+		
+		LED_B_OFF();
+	
+	}
+//  -------------------------------------------------------------------------------------------------	
+	
+	LED_C_ON();
+
+	//  get crypted nonces for target sector
+	for(i=0; i < 2; i++) { // look for exactly two different nonces
+
+		target_nt[i] = 0;
+		while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
+		
+			// prepare next select. No need to power down the card.
+			if(mifare_classic_halt(pcs, cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Halt error");
+				continue;
+			}
+
+			if(!iso14443a_select_card(uid, NULL, &cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Can't select card");
+				continue;
+			};
+		
+			auth1_time = 0;
+			if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth1 error");
+				continue;
+			};
+
+			// nested authentication
+			auth2_time = auth1_time + delta_time;
+			len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, &par, &auth2_time);
+			if (len != 4) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Auth2 error len=%d", len);
+				continue;
+			};
+		
+			nt2 = bytes_to_num(receivedAnswer, 4);		
+			if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par);
+			
+			// Parity validity check
+			for (j = 0; j < 4; j++) {
+				par_array[j] = (oddparity(receivedAnswer[j]) != ((par & 0x08) >> 3));
+				par = par << 1;
+			}
+			
+			ncount = 0;
+			nttest = prng_successor(nt1, dmin - 1);
+			for (j = dmin; j < dmax + 1; j++) {
+				nttest = prng_successor(nttest, 1);
+				ks1 = nt2 ^ nttest;
+
+				if (valid_nonce(nttest, nt2, ks1, par_array)){
+					if (ncount > 0) { 		// we are only interested in disambiguous nonces, try again
+						if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
+						target_nt[i] = 0;
+						break;
+					}
+					target_nt[i] = nttest;
+					target_ks[i] = ks1;
+					ncount++;
+					if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
+						target_nt[i] = 0;
+						if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
+						break;
+					}
+					if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
+				}
+			}
+			if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
+		}
+	}
+
+	LED_C_OFF();
+	
+	//  ----------------------------- crypto1 destroy
+	crypto1_destroy(pcs);
+	
+	// add trace trailer
+	memset(uid, 0x44, 4);
+	LogTrace(uid, 4, 0, 0, TRUE);
+
+	byte_t buf[4 + 4 * 4];
+	memcpy(buf, &cuid, 4);
+	memcpy(buf+4, &target_nt[0], 4);
+	memcpy(buf+8, &target_ks[0], 4);
+	memcpy(buf+12, &target_nt[1], 4);
+	memcpy(buf+16, &target_ks[1], 4);
+	
+	LED_B_ON();
+	cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
+	LED_B_OFF();
+
+	if (MF_DBGLEVEL >= 3)	DbpString("NESTED FINISHED");
+
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+	iso14a_set_tracing(TRUE);
+}
+
+//-----------------------------------------------------------------------------
+// MIFARE check keys. key count up to 85. 
+// 
+//-----------------------------------------------------------------------------
+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[10];
+	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
+	iso14a_clear_trace();
+	iso14a_set_tracing(TRUE);
+
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	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);
+		// prepare next select by sending a HALT. There is no need to power down the card.
+		if(mifare_classic_halt(pcs, cuid)) {
+			if (MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Halt error");
+		}
+
+		// SpinDelay(50);
+		
+		if(!iso14443a_select_card(uid, NULL, &cuid)) {
+			if (OLD_MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: 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);
+
+	LED_B_ON();
+    cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
+	LED_B_OFF();
+
+  // Thats it...
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+
+	// restore debug level
+	MF_DBGLEVEL = OLD_MF_DBGLEVEL;	
+}
+
+//-----------------------------------------------------------------------------
+// MIFARE commands set debug level
+// 
+//-----------------------------------------------------------------------------
+void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+	MF_DBGLEVEL = arg0;
+	Dbprintf("Debug level: %d", MF_DBGLEVEL);
+}
+
+//-----------------------------------------------------------------------------
+// Work with emulator memory
+// 
+//-----------------------------------------------------------------------------
+void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+	emlClearMem();
+}
+
+void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+	emlSetMem(datain, arg0, arg1); // data, block num, blocks count
+}
+
+void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+//	UsbCommand ack = {CMD_ACK, {arg0, arg1, 0}};
+
+  byte_t buf[48];
+	emlGetMem(buf, arg0, arg1); // data, block num, blocks count
+
+	LED_B_ON();
+  cmd_send(CMD_ACK,arg0,arg1,0,buf,48);
+//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+	LED_B_OFF();
+}
+
+//-----------------------------------------------------------------------------
+// Load a card into the emulator memory
+// 
+//-----------------------------------------------------------------------------
+void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+	int i;
+	uint8_t sectorNo = 0;
+	uint8_t keyType = arg1;
+	uint64_t ui64Key = 0;
+	uint32_t cuid;
+	struct Crypto1State mpcs = {0, 0};
+	struct Crypto1State *pcs;
+	pcs = &mpcs;
+
+	// variables
+	byte_t dataoutbuf[16];
+	byte_t dataoutbuf2[16];
+	uint8_t uid[10];
+
+	// clear trace
+	iso14a_clear_trace();
+	iso14a_set_tracing(false);
+	
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	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;
+		};
+		
+		for (i = 0; i < 16; i++) {
+			sectorNo = i;
+			ui64Key = emlGetKey(sectorNo, keyType);
+	
+			if (!i){
+				if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {
+					if (MF_DBGLEVEL >= 1)	Dbprintf("Sector[%d]. Auth error", i);
+					break;
+				}
+			} else {
+				if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_NESTED)) {
+					if (MF_DBGLEVEL >= 1)	Dbprintf("Sector[%d]. Auth nested error", i);
+					break;
+				}
+			}
+		
+			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 0 error");
+				break;
+			};
+			emlSetMem(dataoutbuf, sectorNo * 4 + 0, 1);
+			
+			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 1 error");
+				break;
+			};
+			emlSetMem(dataoutbuf, sectorNo * 4 + 1, 1);
+
+			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 2 error");
+				break;
+			};
+			emlSetMem(dataoutbuf, sectorNo * 4 + 2, 1);
+
+			// get block 3 bytes 6-9
+			if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Read block 3 error");
+				break;
+			};
+			emlGetMem(dataoutbuf2, sectorNo * 4 + 3, 1);
+			memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
+			emlSetMem(dataoutbuf2,  sectorNo * 4 + 3, 1);
+		}
+
+		if(mifare_classic_halt(pcs, cuid)) {
+			if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+			break;
+		};
+		
+		break;
+	}	
+
+	//  ----------------------------- crypto1 destroy
+	crypto1_destroy(pcs);
+
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+	
+	if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
+
+	// add trace trailer
+	memset(uid, 0x44, 4);
+	LogTrace(uid, 4, 0, 0, TRUE);
+}
+
+//-----------------------------------------------------------------------------
+// MIFARE 1k emulator
+// 
+//-----------------------------------------------------------------------------
+
+
+//-----------------------------------------------------------------------------
+// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
+// 
+//-----------------------------------------------------------------------------
+void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+  
+  // params
+	uint8_t needWipe = arg0;
+	// bit 0 - need get UID
+	// bit 1 - need wupC
+	// bit 2 - need HALT after sequence
+	// bit 3 - need init FPGA and field before sequence
+	// bit 4 - need reset FPGA and LED
+	uint8_t workFlags = arg1;
+	uint8_t blockNo = arg2;
+	
+	// card commands
+	uint8_t wupC1[]       = { 0x40 }; 
+	uint8_t wupC2[]       = { 0x43 }; 
+	uint8_t wipeC[]       = { 0x41 }; 
+	
+	// variables
+	byte_t isOK = 0;
+	uint8_t uid[10];
+	uint8_t d_block[18];
+	uint32_t cuid;
+	
+	memset(uid, 0x00, 10);
+	uint8_t* receivedAnswer = mifare_get_bigbufptr();
+	
+	if (workFlags & 0x08) {
+		// clear trace
+		iso14a_clear_trace();
+		iso14a_set_tracing(TRUE);
+
+		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+		LED_A_ON();
+		LED_B_OFF();
+		LED_C_OFF();
+	
+		SpinDelay(300);
+		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+		SpinDelay(100);
+		FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+	}
+
+	while (true) {
+		// get UID from chip
+		if (workFlags & 0x01) {
+			if(!iso14443a_select_card(uid, NULL, &cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card");
+				break;
+			};
+
+			if(mifare_classic_halt(NULL, cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+				break;
+			};
+		};
+	
+		// reset chip
+		if (needWipe){
+      ReaderTransmitBitsPar(wupC1,7,0, NULL);
+			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
+				break;
+			};
+
+			ReaderTransmit(wipeC, sizeof(wipeC), NULL);
+			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("wipeC error");
+				break;
+			};
+
+			if(mifare_classic_halt(NULL, cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+				break;
+			};
+		};	
+
+		// write block
+		if (workFlags & 0x02) {
+      ReaderTransmitBitsPar(wupC1,7,0, NULL);
+			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
+				break;
+			};
+
+			ReaderTransmit(wupC2, sizeof(wupC2), NULL);
+			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC2 error");
+				break;
+			};
+		}
+
+		if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
+			if (MF_DBGLEVEL >= 1)	Dbprintf("write block send command error");
+			break;
+		};
+	
+		memcpy(d_block, datain, 16);
+		AppendCrc14443a(d_block, 16);
+	
+		ReaderTransmit(d_block, sizeof(d_block), NULL);
+		if ((ReaderReceive(receivedAnswer) != 1) || (receivedAnswer[0] != 0x0a)) {
+			if (MF_DBGLEVEL >= 1)	Dbprintf("write block send data error");
+			break;
+		};	
+	
+		if (workFlags & 0x04) {
+			if (mifare_classic_halt(NULL, cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+				break;
+			};
+		}
+		
+		isOK = 1;
+		break;
+	}
+	
+//	UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
+//	if (isOK) memcpy(ack.d.asBytes, uid, 4);
+	
+	// add trace trailer
+	/**
+	*	Removed by Martin, the uid is overwritten with 0x44, 
+	*	which can 't be intended. 
+	*
+	*	memset(uid, 0x44, 4);
+	*	LogTrace(uid, 4, 0, 0, TRUE);
+	**/
+	
+
+	LED_B_ON();
+  cmd_send(CMD_ACK,isOK,0,0,uid,4);
+//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+	LED_B_OFF();
+
+	if ((workFlags & 0x10) || (!isOK)) {
+		// Thats it...
+		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+		LEDsoff();
+	}
+}
+
+void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+  
+  // params
+	// bit 1 - need wupC
+	// bit 2 - need HALT after sequence
+	// bit 3 - need init FPGA and field before sequence
+	// bit 4 - need reset FPGA and LED
+	uint8_t workFlags = arg0;
+	uint8_t blockNo = arg2;
+	
+	// card commands
+	uint8_t wupC1[]       = { 0x40 }; 
+	uint8_t wupC2[]       = { 0x43 }; 
+	
+	// variables
+	byte_t isOK = 0;
+	uint8_t data[18];
+	uint32_t cuid = 0;
+	
+	memset(data, 0x00, 18);
+	uint8_t* receivedAnswer = mifare_get_bigbufptr();
+	
+	if (workFlags & 0x08) {
+		// clear trace
+		iso14a_clear_trace();
+		iso14a_set_tracing(TRUE);
+
+		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+		LED_A_ON();
+		LED_B_OFF();
+		LED_C_OFF();
+	
+		SpinDelay(300);
+		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+		SpinDelay(100);
+		FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+	}
+
+	while (true) {
+		if (workFlags & 0x02) {
+			ReaderTransmitBitsPar(wupC1,7,0, NULL);
+			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
+				break;
+			};
+
+			ReaderTransmit(wupC2, sizeof(wupC2), NULL);
+			if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC2 error");
+				break;
+			};
+		}
+
+		// read block
+		if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, NULL) != 18)) {
+			if (MF_DBGLEVEL >= 1)	Dbprintf("read block send command error");
+			break;
+		};
+		memcpy(data, receivedAnswer, 18);
+		
+		if (workFlags & 0x04) {
+			if (mifare_classic_halt(NULL, cuid)) {
+				if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+				break;
+			};
+		}
+		
+		isOK = 1;
+		break;
+	}
+	
+//	UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
+//	if (isOK) memcpy(ack.d.asBytes, data, 18);
+	
+	// add trace trailer
+	/*
+	* Removed by Martin, this piece of overwrites the 'data' variable 
+	* which is sent two lines down, and is obviously not correct. 
+	* 
+	* memset(data, 0x44, 4);
+	* LogTrace(data, 4, 0, 0, TRUE);
+	*/
+	LED_B_ON();
+  cmd_send(CMD_ACK,isOK,0,0,data,18);
+//	UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
+	LED_B_OFF();
+
+	if ((workFlags & 0x10) || (!isOK)) {
+		// Thats it...
+		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+		LEDsoff();
+	}
+}
+
+//
+// DESFIRE
+//
+
+void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
+	// variables
+	byte_t isOK = 0;
+	byte_t dataoutbuf[16];
+	uint8_t uid[10];
+	uint32_t cuid;
+    
+	// clear trace
+	iso14a_clear_trace();
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+    
+	LED_A_ON();
+	LED_B_OFF();
+	LED_C_OFF();
+	
+
+	if(!iso14443a_select_card(uid, NULL, &cuid)) {
+          if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card, something went wrong before auth");
+	};
+
+	if(mifare_desfire_des_auth1(cuid, dataoutbuf)){
+	  if (MF_DBGLEVEL >= 1)	Dbprintf("Authentication part1: Fail.");    
+	}
+
+	isOK=1;
+	if (MF_DBGLEVEL >= 2)	DbpString("AUTH 1 FINISHED");
+    
+	LED_B_ON();
+        cmd_send(CMD_ACK,isOK,cuid,0,dataoutbuf,11);
+	LED_B_OFF();
+	  
+	// Thats it...
+	//FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+}
+
+void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
+	// params
+	uint32_t cuid = arg0;
+	uint8_t key[16]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+	// variables
+	byte_t isOK = 0;
+	byte_t dataoutbuf[16];
+    
+	memcpy(key, datain, 16);
+	// clear trace
+	//iso14a_clear_trace();
+	//iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+    
+	LED_A_ON();
+	LED_B_OFF();
+	LED_C_OFF();
+
+//	Dbprintf("Sending %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+//		 key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7],key[8],
+//		 key[9],key[10],key[11],key[12],key[13],key[14],key[15]);
+	
+	if(mifare_desfire_des_auth2(cuid, key, dataoutbuf)){
+	    if (MF_DBGLEVEL >= 1) Dbprintf("Authentication part2: Fail...");    
+	}
+	isOK=1;
+	if (MF_DBGLEVEL >= 2)	DbpString("AUTH 2 FINISHED");
+    
+	LED_B_ON();
+        cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,12);
+	LED_B_OFF();
+    
+    // Thats it...
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+}
\ No newline at end of file