X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7906cb41ff3566aa1c27b71e457a59b4ca3e749a..a66f26da182040ac798a7c629d255cb86803e9c2:/armsrc/mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 0e9c3672..bed2f076 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -15,33 +15,60 @@
 
 #include "mifarecmd.h"
 
+#include <stdint.h>
+
+#include "proxmark3.h"
+#include "cmd.h"
+#include "crapto1/crapto1.h"
+#include "iso14443a.h"
+#include "BigBuf.h"
+#include "mifareutil.h"
 #include "apps.h"
+#include "protocols.h"
 #include "util.h"
 #include "parity.h"
 #include "crc.h"
+#include "fpgaloader.h"
 
-#define AUTHENTICATION_TIMEOUT 848			// card times out 1ms after wrong authentication (according to NXP documentation)
-#define PRE_AUTHENTICATION_LEADTIME 400		// some (non standard) cards need a pause after select before they are ready for first authentication
-
+#define HARDNESTED_AUTHENTICATION_TIMEOUT 848           // card times out 1ms after wrong authentication (according to NXP documentation)
+#define HARDNESTED_PRE_AUTHENTICATION_LEADTIME 400      // some (non standard) cards need a pause after select before they are ready for first authentication
 
+/*
 // the block number for the ISO14443-4 PCB
 static uint8_t pcb_blocknum = 0;
 // Deselect card by sending a s-block. the crc is precalced for speed
 static  uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};
 
+static void OnSuccess(){
+	pcb_blocknum = 0;
+	ReaderTransmit(deselect_cmd, 3 , NULL);
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+}
+*/
+
+static void OnError(uint8_t reason){
+	// pcb_blocknum = 0;
+	// ReaderTransmit(deselect_cmd, 3 , NULL);
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LED_D_OFF();
+	cmd_send(CMD_ACK,0,reason,0,0,0);
+	LED_A_OFF();
+}
+
 //-----------------------------------------------------------------------------
 // Select, Authenticate, Read a MIFARE tag.
 // read block
 //-----------------------------------------------------------------------------
 void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 {
-  // params
+	LED_A_ON();
+
 	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];
@@ -54,28 +81,24 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 
 	clear_trace();
 
-	LED_A_ON();
-	LED_B_OFF();
-	LED_C_OFF();
-
 	while (true) {
-		if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card");
+		if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
+			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");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 			break;
 		};
 
 		if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Read block error");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Read block error");
 			break;
 		};
 
 		if(mifare_classic_halt(pcs, cuid)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 			break;
 		};
 
@@ -86,7 +109,7 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	//  ----------------------------- crypto1 destroy
 	crypto1_destroy(pcs);
 
-	if (MF_DBGLEVEL >= 2)	DbpString("READ BLOCK FINISHED");
+	if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");
 
 	LED_B_ON();
 	cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
@@ -98,21 +121,18 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 
 void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){
 
+	LED_A_ON();
 	bool turnOffField = (arg0 == 1);
 
-	LED_A_ON(); LED_B_OFF(); LED_C_OFF();
-
 	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 
-	clear_trace();
-
-	if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {
+	if (!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
 		OnError(0);
 		return;
 	};
 
-	if(!mifare_ultra_auth(keybytes)){
+	if (!mifare_ultra_auth(keybytes)){
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");
 		OnError(1);
 		return;
@@ -120,9 +140,11 @@ void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){
 
 	if (turnOffField) {
 		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-		LEDsoff();
+		LED_D_OFF();
 	}
+
 	cmd_send(CMD_ACK,1,0,0,0,0);
+	LED_A_OFF();
 }
 
 // Arg0 = BlockNo,
@@ -130,18 +152,16 @@ void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){
 // datain = PWD bytes,
 void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 {
+	LED_A_ON();
+
 	uint8_t blockNo = arg0;
 	byte_t dataout[16] = {0x00};
 	bool useKey = (arg1 == 1); //UL_C
 	bool usePwd = (arg1 == 2); //UL_EV1/NTAG
 
-	LEDsoff();
-	LED_A_ON();
 	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 
-	clear_trace();
-
-	int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);
+	int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);
 	if(!len) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);
 		OnError(1);
@@ -149,7 +169,7 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 	}
 
 	// UL-C authentication
-	if ( useKey ) {
+	if (useKey) {
 		uint8_t key[16] = {0x00};
 		memcpy(key, datain, sizeof(key) );
 
@@ -160,7 +180,7 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 	}
 
 	// UL-EV1 / NTAG authentication
-	if ( usePwd ) {
+	if (usePwd) {
 		uint8_t pwd[4] = {0x00};
 		memcpy(pwd, datain, 4);
 		uint8_t pack[4] = {0,0,0,0};
@@ -170,13 +190,13 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 		}
 	}
 
-	if( mifare_ultra_readblock(blockNo, dataout) ) {
+	if (mifare_ultra_readblock(blockNo, dataout)) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");
 		OnError(2);
 		return;
 	}
 
-	if( mifare_ultra_halt() ) {
+	if (mifare_ultra_halt()) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
 		OnError(3);
 		return;
@@ -184,7 +204,8 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 
 	cmd_send(CMD_ACK,1,0,0,dataout,16);
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
+	LED_D_OFF();
+	LED_A_OFF();
 }
 
 //-----------------------------------------------------------------------------
@@ -217,27 +238,27 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	LED_C_OFF();
 
 	isOK = 1;
-	if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
+	if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
 		isOK = 0;
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card");
+		if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 	}
 
 
 	if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
 		isOK = 0;
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Auth error");
+		if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 	}
 
 	for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 		if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {
 			isOK = 0;
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
 			break;
 		}
 	}
 
 	if(mifare_classic_halt(pcs, cuid)) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+		if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 	}
 
 	//  ----------------------------- crypto1 destroy
@@ -260,13 +281,11 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 // datain = KEY bytes
 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 {
-	LEDsoff();
 	LED_A_ON();
 	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 
 	// free eventually allocated BigBuf memory
 	BigBuf_free();
-	clear_trace();
 
 	// params
 	uint8_t blockNo = arg0;
@@ -281,7 +300,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 		return;
 	}
 
-	int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);
+	int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);
 	if (!len) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);
 		OnError(1);
@@ -289,7 +308,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 	}
 
 	// UL-C authentication
-	if ( useKey ) {
+	if (useKey) {
 		uint8_t key[16] = {0x00};
 		memcpy(key, datain, sizeof(key) );
 
@@ -341,14 +360,14 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 		return;
 	}
 
-	if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);
+	if (MF_DBGLEVEL >= MF_DBG_DEBUG) Dbprintf("Blocks read %d", countblocks);
 
-	countblocks *= 4;
+	cmd_send(CMD_ACK, 1, countblocks*4, BigBuf_max_traceLen(), 0, 0);
 
-	cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
+	LED_D_OFF();
 	BigBuf_free();
+	LED_A_OFF();
 }
 
 //-----------------------------------------------------------------------------
@@ -383,23 +402,23 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	LED_C_OFF();
 
 	while (true) {
-			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card");
+			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
+			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");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 			break;
 		};
 
 		if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Write block error");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 			break;
 		};
 
 		if(mifare_classic_halt(pcs, cuid)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 			break;
 		};
 
@@ -410,7 +429,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	//  ----------------------------- crypto1 destroy
 	crypto1_destroy(pcs);
 
-	if (MF_DBGLEVEL >= 2)	DbpString("WRITE BLOCK FINISHED");
+	if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
 
 	LED_B_ON();
 	cmd_send(CMD_ACK,isOK,0,0,0,0);
@@ -446,7 +465,7 @@ void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)
 	if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {
 		if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 		OnError(0);
-		return;	};
+		return; };
 
 	if(mifare_ultra_halt()) {
 		if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
@@ -483,7 +502,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 
 	clear_trace();
 
-	if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {
+	if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {
 		if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
 		OnError(0);
 		return;
@@ -542,7 +561,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
 
 	clear_trace();
 
-	if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {
+	if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {
 		if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
 		OnError(0);
 		return;
@@ -662,8 +681,8 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
 
 		if (!have_uid) { // need a full select cycle to get the uid first
 			iso14a_card_select_t card_info;
-			if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("AcquireNonces: Can't select card (ALL)");
+			if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0, true)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("AcquireNonces: Can't select card (ALL)");
 				continue;
 			}
 			switch (card_info.uidlen) {
@@ -674,34 +693,35 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
 			}
 			have_uid = true;
 		} else { // no need for anticollision. We can directly select the card
-			if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("AcquireNonces: Can't select card (UID)");
+			if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels, true)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("AcquireNonces: Can't select card (UID)");
 				continue;
 			}
 		}
 
 		if (slow) {
-			timeout = GetCountSspClk() + PRE_AUTHENTICATION_LEADTIME;
+			timeout = GetCountSspClk() + HARDNESTED_PRE_AUTHENTICATION_LEADTIME;
 			while(GetCountSspClk() < timeout);
 		}
 
 		uint32_t nt1;
 		if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("AcquireNonces: Auth1 error");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("AcquireNonces: Auth1 error");
 			continue;
 		}
 
 		// nested authentication
 		uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);
 		if (len != 4) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("AcquireNonces: Auth2 error len=%d", len);
+			if (MF_DBGLEVEL >= 1)   Dbprintf("AcquireNonces: Auth2 error len=%d", len);
 			continue;
 		}
 
-		// send a dummy byte as reader response in order to trigger the cards authentication timeout
-		uint8_t dummy_answer = 0;
-		ReaderTransmit(&dummy_answer, 1, NULL);
-		timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;
+		// send an incomplete dummy response in order to trigger the card's authentication failure timeout
+		uint8_t dummy_answer[1] = {0};
+		ReaderTransmit(dummy_answer, 1, NULL);
+
+		timeout = GetCountSspClk() + HARDNESTED_AUTHENTICATION_TIMEOUT;
 
 		num_nonces++;
 		if (num_nonces % 2) {
@@ -727,7 +747,7 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
 	cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));
 	LED_B_OFF();
 
-	if (MF_DBGLEVEL >= 3)	DbpString("AcquireEncryptedNonces finished");
+	if (MF_DBGLEVEL >= 3)   DbpString("AcquireEncryptedNonces finished");
 
 	if (field_off) {
 		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
@@ -784,7 +804,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 	int16_t isOK = 0;
 	#define NESTED_MAX_TRIES 12
 	uint16_t unsuccessfull_tries = 0;
-	if (calibrate) {	// for first call only. Otherwise reuse previous calibration
+	if (calibrate) {    // for first call only. Otherwise reuse previous calibration
 		LED_B_ON();
 		WDT_HIT();
 
@@ -802,20 +822,20 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 
 			// prepare next select. No need to power down the card.
 			if(mifare_classic_halt(pcs, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Halt error");
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Halt error");
 				rtr--;
 				continue;
 			}
 
-			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Can't select card");
+			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
+				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");
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth1 error");
 				rtr--;
 				continue;
 			};
@@ -826,12 +846,12 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 				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");
+				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
+			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;
@@ -849,7 +869,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 				if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
 			} else {
 				unsuccessfull_tries++;
-				if (unsuccessfull_tries > NESTED_MAX_TRIES) {	// card isn't vulnerable to nested attack (random numbers are not predictable)
+				if (unsuccessfull_tries > NESTED_MAX_TRIES) {   // card isn't vulnerable to nested attack (random numbers are not predictable)
 					isOK = -3;
 				}
 			}
@@ -877,18 +897,18 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 
 			// prepare next select. No need to power down the card.
 			if(mifare_classic_halt(pcs, cuid)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Halt error");
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Halt error");
 				continue;
 			}
 
-			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Nested: Can't select card");
+			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
+				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");
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth1 error");
 				continue;
 			};
 
@@ -896,7 +916,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 			auth2_time = auth1_time + delta_time;
 			len = mifare_sendcmd_short(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);
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error len=%d", len);
 				continue;
 			};
 
@@ -915,7 +935,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 				ks1 = nt2 ^ nttest;
 
 				if (valid_nonce(nttest, nt2, ks1, par_array)){
-					if (ncount > 0) { 		// we are only interested in disambiguous nonces, try again
+					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;
@@ -951,7 +971,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 	cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
 	LED_B_OFF();
 
-	if (MF_DBGLEVEL >= 3)	DbpString("NESTED FINISHED");
+	if (MF_DBGLEVEL >= 3)   DbpString("NESTED FINISHED");
 
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	LEDsoff();
@@ -961,89 +981,113 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 // MIFARE check keys. key count up to 85.
 //
 //-----------------------------------------------------------------------------
-void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
+void MifareChkKeys(uint16_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 {
 	uint8_t blockNo = arg0 & 0xff;
 	uint8_t keyType = (arg0 >> 8) & 0xff;
-	bool clearTrace = arg1;
+	bool clearTrace = arg1 & 0x01;
+	bool multisectorCheck = arg1 & 0x02;
+	uint8_t set14aTimeout = (arg1 >> 8) & 0xff;
 	uint8_t keyCount = arg2;
-	uint64_t ui64Key = 0;
 
-	bool have_uid = false;
-	uint8_t cascade_levels = 0;
-	uint32_t timeout = 0;
-	int i;
-	byte_t isOK = 0;
-	uint8_t uid[10];
-	uint32_t cuid;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
+	LED_A_ON();
 
 	// clear debug level
 	int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
 	MF_DBGLEVEL = MF_DBG_NONE;
 
-	LED_A_ON();
-	LED_B_OFF();
-	LED_C_OFF();
 	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 
-	if (clearTrace) clear_trace();
+	if (clearTrace) {
+		clear_trace();
+	}
 	set_tracing(true);
 
-	for (i = 0; i < keyCount; i++) {
-//		if(mifare_classic_halt(pcs, cuid)) {
-//			if (MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Halt error");
-//		}
+	if (set14aTimeout){
+		iso14a_set_timeout(set14aTimeout * 10); // timeout: ms = x/106  35-minimum, 50-OK 106-recommended 500-safe
+	}
 
-		// Iceman: use piwi's faster nonce collecting part in hardnested.
-		if (!have_uid) { // need a full select cycle to get the uid first
-			iso14a_card_select_t card_info;
-			if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {
-				if (OLD_MF_DBGLEVEL >= 1) 	Dbprintf("ChkKeys: Can't select card");
-				--i; // try same key once again
-				continue;
-			}
-			switch (card_info.uidlen) {
-				case 4 : cascade_levels = 1; break;
-				case 7 : cascade_levels = 2; break;
-				case 10: cascade_levels = 3; break;
-				default: break;
-			}
-			have_uid = true;
-		} else { // no need for anticollision. We can directly select the card
-			if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {
-				if (OLD_MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Can't select card (UID)");
-				--i; // try same key once again
-				continue;
-			}
+	if (multisectorCheck) {
+		TKeyIndex keyIndex = {{0}};
+		uint8_t sectorCnt = blockNo;
+		int res = MifareMultisectorChk(datain, keyCount, sectorCnt, keyType, OLD_MF_DBGLEVEL, &keyIndex);
+
+		if (res >= 0) {
+			cmd_send(CMD_ACK, 1, 0, 0, keyIndex, 80);
+		} else {
+			cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);
 		}
+	} else {	
+		int res = MifareChkBlockKeys(datain, keyCount, blockNo, keyType, OLD_MF_DBGLEVEL);
+		
+		if (res > 0) {
+			cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6);
+		} else {
+			cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);
+		}
+	}
 
-		ui64Key = bytes_to_num(datain + i * 6, 6);
-		if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
-			uint8_t dummy_answer = 0;
-			ReaderTransmit(&dummy_answer, 1, NULL);
-			timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LED_D_OFF();
 
-			// wait for the card to become ready again
-			while(GetCountSspClk() < timeout);
-			continue;
+	// restore debug level
+	MF_DBGLEVEL = OLD_MF_DBGLEVEL;
+	
+	LED_A_OFF();
+}
+
+
+//-----------------------------------------------------------------------------
+// MIFARE Personalize UID. Only for Mifare Classic EV1 7Byte UID
+//-----------------------------------------------------------------------------
+void MifarePersonalizeUID(uint8_t keyType, uint8_t perso_option, uint8_t *data) {
+
+	uint8_t uid[10];
+	uint32_t cuid;
+	struct Crypto1State mpcs = {0, 0};
+	struct Crypto1State *pcs;
+	pcs = &mpcs;
+
+	LED_A_ON();
+	clear_trace();
+
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	bool isOK = false;
+	while (true) {
+		if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
+			break;
 		}
 
-		isOK = 1;
+		uint8_t block_number = 0;
+		uint64_t key = bytes_to_num(data, 6);
+		if (mifare_classic_auth(pcs, cuid, block_number, keyType, key, AUTH_FIRST)) {
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
+			break;
+		}
+
+		uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+		uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
+		int len = mifare_sendcmd_short(pcs, true, MIFARE_EV1_PERSONAL_UID, perso_option, receivedAnswer, receivedAnswerPar, NULL);
+		if (len != 1 || receivedAnswer[0] != CARD_ACK) {
+			if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
+			break;;
+		}
+		isOK = true;
 		break;
 	}
 
-	LED_B_ON();
-    cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
-	LED_B_OFF();
-
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
+	LED_D_OFF();
 
-	// restore debug level
-	MF_DBGLEVEL = OLD_MF_DBGLEVEL;
+	crypto1_destroy(pcs);
+
+	if (MF_DBGLEVEL >= 2)   DbpString("PERSONALIZE UID FINISHED");
+
+	cmd_send(CMD_ACK, isOK, 0, 0, NULL, 0);
+
+	LED_A_OFF();
 }
 
 //-----------------------------------------------------------------------------
@@ -1111,9 +1155,9 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 
 	bool isOK = true;
 
-	if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
+	if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
 		isOK = false;
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card");
+		if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 	}
 
 	for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
@@ -1121,13 +1165,13 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 		if (sectorNo == 0){
 			if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
 				isOK = false;
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Sector[%2d]. Auth error", sectorNo);
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%2d]. Auth error", sectorNo);
 				break;
 			}
 		} else {
 			if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {
 				isOK = false;
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
 				break;
 			}
 		}
@@ -1135,13 +1179,13 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 		for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 			if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {
 				isOK = false;
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
 				break;
 			};
 			if (isOK) {
 				if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
 					emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
-				} else {	// sector trailer, keep the keys, set only the AC
+				} else {    // sector trailer, keep the keys, set only the AC
 					emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
 					memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
 					emlSetMem(dataoutbuf2,  FirstBlockOfSector(sectorNo) + blockNo, 1);
@@ -1152,7 +1196,7 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 	}
 
 	if(mifare_classic_halt(pcs, cuid)) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
+		if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 	};
 
 	//  ----------------------------- crypto1 destroy
@@ -1170,6 +1214,143 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
 //
 //-----------------------------------------------------------------------------
+
+static bool isBlockTrailer(int blockN) {
+	if (blockN >= 0 && blockN < 128) {
+		return ((blockN & 0x03) == 0x03);
+	}
+	if (blockN >= 128 && blockN <= 256) {
+		return ((blockN & 0x0F) == 0x0F);
+	}
+	return false;
+}
+
+void MifareCWipe(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
+	// var
+	byte_t isOK = 0;
+	uint32_t numBlocks = arg0;
+	// cmdParams:
+	// bit 0 - wipe gen1a
+	// bit 1 - fill card with default data
+	// bit 2 - gen1a = 0, gen1b = 1
+	uint8_t cmdParams = arg1;
+	bool needWipe = cmdParams & 0x01;
+	bool needFill = cmdParams & 0x02;
+	bool gen1b = cmdParams & 0x04;
+
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
+
+	uint8_t block0[16] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xAF};
+	uint8_t block1[16] = {0x00};
+	uint8_t blockK[16] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x08, 0x77, 0x8F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+	uint8_t d_block[18] = {0x00};
+
+	// card commands
+	uint8_t wupC1[]       = { 0x40 };
+	uint8_t wupC2[]       = { 0x43 };
+	uint8_t wipeC[]       = { 0x41 };
+
+	// iso14443 setup
+	LED_A_ON();
+	LED_B_OFF();
+	LED_C_OFF();
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	// tracing
+	clear_trace();
+	set_tracing(true);
+
+	while (true){
+		// wipe
+		if (needWipe){
+			ReaderTransmitBitsPar(wupC1,7,0, NULL);
+			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
+				break;
+			};
+
+			ReaderTransmit(wipeC, sizeof(wipeC), NULL);
+			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("wipeC error");
+				break;
+			};
+
+			if(mifare_classic_halt(NULL, 0)) {
+				if (MF_DBGLEVEL > 2)    Dbprintf("Halt error");
+			};
+		};
+
+		// put default data
+		if (needFill){
+			// select commands
+			ReaderTransmitBitsPar(wupC1, 7, 0, NULL);
+
+			// gen1b magic tag : do no issue wupC2 and don't expect CARD_ACK response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)
+			if (!gen1b) {
+
+				if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+					if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
+					break;
+				};
+
+				ReaderTransmit(wupC2, sizeof(wupC2), NULL);
+				if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+					if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
+					break;
+				};
+			}
+
+			// send blocks command
+			for (int blockNo = 0; blockNo < numBlocks; blockNo++) {
+				if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != CARD_ACK)) {
+					if (MF_DBGLEVEL >= 1)   Dbprintf("write block send command error");
+					break;
+				};
+
+				// check type of block and add crc
+				if (!isBlockTrailer(blockNo)){
+					memcpy(d_block, block1, 16);
+				} else {
+					memcpy(d_block, blockK, 16);
+				}
+				if (blockNo == 0) {
+					memcpy(d_block, block0, 16);
+				}
+				AppendCrc14443a(d_block, 16);
+
+				// send write command
+				ReaderTransmit(d_block, sizeof(d_block), NULL);
+				if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != CARD_ACK)) {
+					if (MF_DBGLEVEL >= 1)   Dbprintf("write block send data error");
+					break;
+				};
+			}
+
+			// halt
+			// do no issue halt command for gen1b
+			if (!gen1b) {
+				if (mifare_classic_halt(NULL, 0)) {
+					if (MF_DBGLEVEL > 2)    Dbprintf("Halt error");
+						break;
+				}
+			}
+		}
+		break;
+	}
+
+	// send USB response
+	LED_B_ON();
+	cmd_send(CMD_ACK,isOK,0,0,NULL,0);
+	LED_B_OFF();
+
+	// reset fpga
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
+
+	return;
+}
+
 void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 
   // params
@@ -1212,15 +1393,16 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 
 		// get UID from chip
 		if (workFlags & 0x01) {
-			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("Can't select card");
-				break;
+			if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
+				// Continue, if we set wrong UID or wrong UID checksum or some ATQA or SAK we will can't select card. But we need to write block 0 to make card work.
+				//break;
 				};
 
 				if(mifare_classic_halt(NULL, cuid)) {
-					if (MF_DBGLEVEL > 2)	Dbprintf("Halt error");
+					if (MF_DBGLEVEL > 2)    Dbprintf("Halt error");
 					// Continue, some magic tags misbehavies and send an answer to it.
-          // break;
+					// break;
 				};
 		};
 
@@ -1228,21 +1410,21 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 		// Wipe command don't work with gen1b
 		if (needWipe && !(workFlags & 0x40)){
 			ReaderTransmitBitsPar(wupC1,7,0, NULL);
-			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
+			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
 				break;
 			};
 
 			ReaderTransmit(wipeC, sizeof(wipeC), NULL);
-			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wipeC error");
+			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("wipeC error");
 				break;
 			};
 
-			if(mifare_classic_halt(NULL, cuid)) {
-				if (MF_DBGLEVEL > 2)	Dbprintf("Halt error");
+			if(mifare_classic_halt(NULL, 0)) {
+				if (MF_DBGLEVEL > 2)    Dbprintf("Halt error");
 				// Continue, some magic tags misbehavies and send an answer to it.
-                        	// break;
+							// break;
 			};
 		};
 
@@ -1250,24 +1432,24 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 		if (workFlags & 0x02) {
 			ReaderTransmitBitsPar(wupC1,7,0, NULL);
 
-			// gen1b magic tag : do no issue wupC2 and don't expect 0x0a response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)
+			// gen1b magic tag : do no issue wupC2 and don't expect CARD_ACK response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)
 			if (!(workFlags & 0x40)) {
 
-				if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-					if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
+				if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+					if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
 					break;
 				};
 
 				ReaderTransmit(wupC2, sizeof(wupC2), NULL);
-				if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-					if (MF_DBGLEVEL >= 1)	Dbprintf("wupC2 error");
+				if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+					if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
 					break;
 				};
 			}
 		}
 
-		if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("write block send command error");
+		if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != CARD_ACK)) {
+			if (MF_DBGLEVEL >= 1)   Dbprintf("write block send command error");
 			break;
 		};
 
@@ -1275,16 +1457,16 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 		AppendCrc14443a(d_block, 16);
 
 		ReaderTransmit(d_block, sizeof(d_block), NULL);
-		if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("write block send data error");
+		if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != CARD_ACK)) {
+			if (MF_DBGLEVEL >= 1)   Dbprintf("write block send data error");
 			break;
 		};
 
 		if (workFlags & 0x04) {
 			// do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)
 			if (!(workFlags & 0x40)) {
-				if (mifare_classic_halt(NULL, cuid)) {
-					if (MF_DBGLEVEL > 2)	Dbprintf("Halt error");
+				if (mifare_classic_halt(NULL, 0)) {
+					if (MF_DBGLEVEL > 2)    Dbprintf("Halt error");
 					// Continue, some magic tags misbehavies and send an answer to it.
 					// break;
 				}
@@ -1343,15 +1525,15 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 	while (true) {
 		if (workFlags & 0x02) {
 			ReaderTransmitBitsPar(wupC1,7,0, NULL);
-			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC1 error");
+			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
 				break;
 		};
 		// do no issue for gen1b magic tag
 		if (!(workFlags & 0x40)) {
 			ReaderTransmit(wupC2, sizeof(wupC2), NULL);
-			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-				if (MF_DBGLEVEL >= 1)	Dbprintf("wupC2 error");
+			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {
+				if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
 				break;
 			};
 		}
@@ -1359,7 +1541,7 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 
 		// read block
 		if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
-			if (MF_DBGLEVEL >= 1)	Dbprintf("read block send command error");
+			if (MF_DBGLEVEL >= 1)   Dbprintf("read block send command error");
 			break;
 		};
 		memcpy(data, receivedAnswer, 18);
@@ -1368,9 +1550,9 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 			// do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)
 			if (!(workFlags & 0x40)) {
 				if (mifare_classic_halt(NULL, cuid)) {
-					if (MF_DBGLEVEL > 1)	Dbprintf("Halt error");
+					if (MF_DBGLEVEL > 1)    Dbprintf("Halt error");
 					// Continue, some magic tags misbehavies and send an answer to it.
-					//		break;
+					//      break;
 				}
 			}
 		}
@@ -1406,12 +1588,20 @@ void MifareCIdent(){
 	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 
+	LED_A_ON();
+	LED_B_OFF();
+	LED_C_OFF();
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	clear_trace();
+	set_tracing(true);
+
 	ReaderTransmitBitsPar(wupC1,7,0, NULL);
-	if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {
+	if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == CARD_ACK)) {
 		isOK = 2;
 
 		ReaderTransmit(wupC2, sizeof(wupC2), NULL);
-		if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {
+		if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == CARD_ACK)) {
 			isOK = 1;
 		};
 	};
@@ -1419,7 +1609,12 @@ void MifareCIdent(){
 	// From iceman1001: removed the if,  since some magic tags misbehavies and send an answer to it.
 	mifare_classic_halt(NULL, 0);
 
+	LED_B_ON();
 	cmd_send(CMD_ACK,isOK,0,0,0,0);
+	LED_B_OFF();
+
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();
 }
 
 //
@@ -1435,7 +1630,7 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
 	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 	clear_trace();
 
-	int len = iso14443a_select_card(uid, NULL, &cuid, true, 0);
+	int len = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);
 	if(!len) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
 		OnError(1);
@@ -1449,7 +1644,7 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
 	}
 
 	if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
-    cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
+	cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
 }
 
 void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
@@ -1476,17 +1671,3 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
 	LEDsoff();
 }
 
-void OnSuccess(){
-	pcb_blocknum = 0;
-	ReaderTransmit(deselect_cmd, 3 , NULL);
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	LEDsoff();
-}
-
-void OnError(uint8_t reason){
-	pcb_blocknum = 0;
-	ReaderTransmit(deselect_cmd, 3 , NULL);
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	cmd_send(CMD_ACK,0,reason,0,0,0);
-	LEDsoff();
-}