From: Oleg Moiseenko <olegmsn@gmail.com>
Date: Wed, 22 Nov 2017 05:16:33 +0000 (+0200)
Subject: Add: Emv first part of commands
X-Git-Tag: v3.1.0~119
X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/3c5fce2ba7d49f3ebea05eed187a9b5ee8189803?ds=sidebyside

Add: Emv first part of commands

* hf emv search
* hf emv pse
* hf emv select
* hf emv exec command - only part of functionality
---

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10e6b827..fabd04b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Changed proxmark command line parameter `flush` to `-f` or `-flush` (Merlok)
 - Changed `hf 14a reader` to just reqest-anticilission-select sequence (Merlok)
 - Changed `hf 14a raw` - works with LED's and some exchange logic (Merlok)
+- Changed TLV parser messages to more convenient (Merlok)
 
 ### Fixed
 - Changed start sequence in Qt mode (fix: short commands hangs main Qt thread) (Merlok)
@@ -38,6 +39,9 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Added to `hf 14a info` detection of weak prng from Iceman1001 fork (Merlok)
 - Added to `hf 14a apdu` - exchange apdu via iso1443-4 (Merlok)
 - Added to `hf 14a apdu` - apdu and tlv results parser (Merlok)
+- Added `hf emv` group of commands (Merlok)
+- Added `hf emv search` `hf emv pse` - commands for selection of EMV application (Merlok)
+- Added `hf emv select` - command for select EMV application (Merlok)
 
 ## [3.0.1][2017-06-08]
 
diff --git a/client/Makefile b/client/Makefile
index 30e91efb..5df99de7 100644
--- a/client/Makefile
+++ b/client/Makefile
@@ -111,7 +111,9 @@ CMDSRCS = 	crapto1/crapto1.c\
 			emv/dump.c\
 			emv/tlv.c\
 			emv/emv_tags.c\
+			emv/dol.c\
 			emv/emvcore.c\
+			emv/cmdemv.c\
 			cmdhf.c \
 			cmdhf14a.c \
 			cmdhf14b.c \
diff --git a/client/cmdhf.c b/client/cmdhf.c
index 453635b7..7a2f3252 100644
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -30,6 +30,7 @@
 #include "cmdhfmfu.h"
 #include "cmdhftopaz.h"
 #include "protocols.h"
+#include "emv/cmdemv.h"
 
 static int CmdHelp(const char *Cmd);
 
@@ -703,6 +704,7 @@ static command_t CommandTable[] =
 	{"14b",		CmdHF14B,		1, "{ ISO14443B RFIDs... }"},
 	{"15",		CmdHF15,		1, "{ ISO15693 RFIDs... }"},
 	{"epa",		CmdHFEPA,		1, "{ German Identification Card... }"},
+	{"emv",		CmdHFEMV,		1, "{ EMV cards... }"},
 	{"legic",	CmdHFLegic,		0, "{ LEGIC RFIDs... }"},
 	{"iclass",	CmdHFiClass,	1, "{ ICLASS RFIDs... }"},
 	{"mf",		CmdHFMF,		1, "{ MIFARE RFIDs... }"},
diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 50071464..a0f3ce57 100644
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -648,7 +648,7 @@ void DropField() {
 	SendCommand(&c);
 }
 
-int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen) {
+int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
 	uint16_t cmdc = 0;
 	
 	if (activateField) {
@@ -686,6 +686,12 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea
 		*dataoutlen = iLen - 2;
 		if (*dataoutlen < 0)
 			*dataoutlen = 0;
+		
+		if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
+			PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
+			return 2;
+		}
+		
 		memcpy(dataout, recv, *dataoutlen);
 		
         if(!iLen) {
@@ -779,7 +785,7 @@ int CmdHF14AAPDU(const char *cmd) {
 
 	PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
 	
-	int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, &datalen);
+	int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
 
 	if (res)
 		return res;
diff --git a/client/cmdhf14a.h b/client/cmdhf14a.h
index 6f6df907..401cead0 100644
--- a/client/cmdhf14a.h
+++ b/client/cmdhf14a.h
@@ -31,6 +31,6 @@ int CmdHF14ASnoop(const char *Cmd);
 char* getTagInfo(uint8_t uid);
 
 extern void DropField();
-extern int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen);
+extern int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
 
 #endif
diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c
new file mode 100644
index 00000000..3c3c1f11
--- /dev/null
+++ b/client/emv/cmdemv.c
@@ -0,0 +1,552 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2017 Merlok
+//
+// 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.
+//-----------------------------------------------------------------------------
+// EMV commands
+//-----------------------------------------------------------------------------
+
+#include "cmdemv.h"
+
+int UsageCmdHFEMVSelect(void) {
+	PrintAndLog("HELP :  Executes select applet command:\n");
+	PrintAndLog("Usage:  hf emv select [-s][-k][-a][-t] <HEX applet AID>\n");
+	PrintAndLog("  Options:");
+	PrintAndLog("  -s       : select card");
+	PrintAndLog("  -k       : keep field for next command");
+	PrintAndLog("  -a       : show APDU reqests and responses\n");
+	PrintAndLog("  -t       : TLV decode results\n");
+	PrintAndLog("Samples:");
+	PrintAndLog(" hf emv select -s a00000000101 -> select card, select applet");
+	PrintAndLog(" hf emv select -s -t a00000000101 -> select card, select applet, show result in TLV");
+	return 0;
+}
+
+int CmdHFEMVSelect(const char *cmd) {
+	uint8_t data[APDU_AID_LEN] = {0};
+	int datalen = 0;
+	bool activateField = false;
+	bool leaveSignalON = false;
+	bool decodeTLV = false;
+
+	if (strlen(cmd) < 1) {
+		UsageCmdHFEMVSelect();
+		return 0;
+	}
+	
+	SetAPDULogging(false);
+	
+	int cmdp = 0;
+	while(param_getchar(cmd, cmdp) != 0x00) {
+		char c = param_getchar(cmd, cmdp);
+		if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+			switch (param_getchar_indx(cmd, 1, cmdp)) {
+				case 'h':
+				case 'H':
+					UsageCmdHFEMVSelect();
+					return 0;
+				case 's':
+				case 'S':
+					activateField = true;
+					break;
+				case 'k':
+				case 'K':
+					leaveSignalON = true;
+					break;
+				case 'a':
+				case 'A':
+					SetAPDULogging(true);
+					break;
+				case 't':
+				case 'T':
+					decodeTLV = true;
+					break;
+				default:
+					PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+					return 1;
+		}
+
+		if (isxdigit(c)) {
+			switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data), &datalen)) {
+			case 1:
+				PrintAndLog("Invalid HEX value.");
+				return 1;
+			case 2:
+				PrintAndLog("AID too large.");
+				return 1;
+			case 3:
+				PrintAndLog("Hex must have even number of digits.");
+				return 1;
+			}
+			
+			// we get all the hex to end of line with spaces
+			break;
+		}
+
+
+		cmdp++;
+	}
+	
+	// exec
+	uint8_t buf[APDU_RES_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res = EMVSelect(activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
+
+	if (sw)
+		PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); 
+	
+	if (res)
+		return res;
+	
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+
+	return 0;
+}
+
+int UsageCmdHFEMVSearch(void) {
+	PrintAndLog("HELP :  Tries to select all applets from applet list:\n");
+	PrintAndLog("Usage:  hf emv search [-s][-k][-a][-t]\n");
+	PrintAndLog("  Options:");
+	PrintAndLog("  -s       : select card");
+	PrintAndLog("  -k       : keep field for next command");
+	PrintAndLog("  -a       : show APDU reqests and responses\n");
+	PrintAndLog("  -t       : TLV decode results of selected applets\n");
+	PrintAndLog("Samples:");
+	PrintAndLog(" hf emv search -s -> select card and search");
+	PrintAndLog(" hf emv search -s -t -> select card, search and show result in TLV");
+	return 0;
+}
+
+int CmdHFEMVSearch(const char *cmd) {
+
+	bool activateField = false;
+	bool leaveSignalON = false;
+	bool decodeTLV = false;
+
+	if (strlen(cmd) < 1) {
+		UsageCmdHFEMVSearch();
+		return 0;
+	}
+	
+	SetAPDULogging(false);
+	
+	int cmdp = 0;
+	while(param_getchar(cmd, cmdp) != 0x00) {
+		char c = param_getchar(cmd, cmdp);
+		if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+			switch (param_getchar_indx(cmd, 1, cmdp)) {
+				case 'h':
+				case 'H':
+					UsageCmdHFEMVSearch();
+					return 0;
+				case 's':
+				case 'S':
+					activateField = true;
+					break;
+				case 'k':
+				case 'K':
+					leaveSignalON = true;
+					break;
+				case 'a':
+				case 'A':
+					SetAPDULogging(true);
+					break;
+				case 't':
+				case 'T':
+					decodeTLV = true;
+					break;
+				default:
+					PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+					return 1;
+		}
+		cmdp++;
+	}
+
+	struct tlvdb *t = NULL;
+	const char *al = "Applets list";
+	t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+
+	if (EMVSearch(activateField, leaveSignalON, decodeTLV, t)) {
+		tlvdb_free(t);
+		return 2;
+	}
+	
+	PrintAndLog("Search completed.");
+
+	// print list here
+	if (!decodeTLV) {  
+		TLVPrintAIDlistFromSelectTLV(t);
+	}
+	
+	tlvdb_free(t);
+	
+	return 0;
+}
+
+int UsageCmdHFEMVPPSE(void) {
+	PrintAndLog("HELP :  Executes PSE/PPSE select command. It returns list of applet on the card:\n");
+	PrintAndLog("Usage:  hf emv pse [-s][-k][-1][-2][-a][-t]\n");
+	PrintAndLog("  Options:");
+	PrintAndLog("  -s       : select card");
+	PrintAndLog("  -k       : keep field for next command");
+	PrintAndLog("  -1       : ppse (1PAY.SYS.DDF01)");
+	PrintAndLog("  -2       : pse (2PAY.SYS.DDF01)");
+	PrintAndLog("  -a       : show APDU reqests and responses\n");
+	PrintAndLog("  -t       : TLV decode results\n");
+	PrintAndLog("Samples:");
+	PrintAndLog(" hf emv pse -s -1 -> select, get pse");
+	PrintAndLog(" hf emv pse -s -k -2 -> select, get ppse, keep field");
+	PrintAndLog(" hf emv pse -s -t -2 -> select, get ppse, show result in TLV");
+	return 0;
+}
+
+int CmdHFEMVPPSE(const char *cmd) {
+	
+	uint8_t PSENum = 2;
+	bool activateField = false;
+	bool leaveSignalON = false;
+	bool decodeTLV = false;
+
+	if (strlen(cmd) < 1) {
+		UsageCmdHFEMVPPSE();
+		return 0;
+	}
+
+	SetAPDULogging(false);
+	
+	int cmdp = 0;
+	while(param_getchar(cmd, cmdp) != 0x00) {
+		char c = param_getchar(cmd, cmdp);
+		if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+			switch (param_getchar_indx(cmd, 1, cmdp)) {
+				case 'h':
+				case 'H':
+					UsageCmdHFEMVPPSE();
+					return 0;
+				case 's':
+				case 'S':
+					activateField = true;
+					break;
+				case 'k':
+				case 'K':
+					leaveSignalON = true;
+					break;
+				case 'a':
+				case 'A':
+					SetAPDULogging(true);
+					break;
+				case 't':
+				case 'T':
+					decodeTLV = true;
+					break;
+				case '1':
+					PSENum = 1;
+					break;
+				case '2':
+					PSENum = 2;
+					break;
+				default:
+					PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+					return 1;
+		}
+		cmdp++;
+	}
+	
+	// exec
+	uint8_t buf[APDU_RES_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
+	
+	if (sw)
+		PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); 
+
+	if (res)
+		return res;
+	
+	
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+
+	return 0;
+}
+
+int UsageCmdHFEMVExec(void) {
+	PrintAndLog("HELP :  Executes EMV contactless transaction:\n");
+	PrintAndLog("Usage:  hf emv exec [-s][-a][-t]\n");
+	PrintAndLog("  Options:");
+	PrintAndLog("  -s       : select card");
+	PrintAndLog("  -a       : show APDU reqests and responses\n");
+	PrintAndLog("  -t       : TLV decode results\n");
+	PrintAndLog("  -f       : force search AID. Search AID instead of execute PPSE.\n");
+	PrintAndLog("Samples:");
+	PrintAndLog(" hf emv pse -s -> select card");
+	PrintAndLog(" hf emv pse -s -t -a -> select card, show responses in TLV, show APDU");
+	return 0;
+}
+
+#define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) )
+
+int CmdHFEMVExec(const char *cmd) {
+	bool activateField = false;
+	bool showAPDU = false;
+	bool decodeTLV = false;
+	bool forceSearch = false;
+
+	uint8_t buf[APDU_RES_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	uint8_t AID[APDU_AID_LEN] = {0};
+	size_t AIDlen = 0;
+	
+	int res;
+	
+	if (strlen(cmd) < 1) {
+		UsageCmdHFEMVExec();
+		return 0;
+	}
+	
+	int cmdp = 0;
+	while(param_getchar(cmd, cmdp) != 0x00) {
+		char c = param_getchar(cmd, cmdp);
+		if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+			switch (param_getchar_indx(cmd, 1, cmdp)) {
+				case 'h':
+				case 'H':
+					UsageCmdHFEMVPPSE();
+					return 0;
+				case 's':
+				case 'S':
+					activateField = true;
+					break;
+				case 'a':
+				case 'A':
+					showAPDU = true;
+					break;
+				case 't':
+				case 'T':
+					decodeTLV = true;
+					break;
+				case 'f':
+				case 'F':
+					forceSearch = true;
+					break;
+				default:
+					PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+					return 1;
+		}
+		cmdp++;
+	}
+
+	
+	// init applets list tree
+	struct tlvdb *tlvSelect = NULL;
+	const char *al = "Applets list";
+	tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+
+	// Application Selection
+	// https://www.openscdp.org/scripts/tutorial/emv/applicationselection.html
+	if (!forceSearch) {
+		// PPSE
+		PrintAndLog("\n* PPSE.");
+		SetAPDULogging(showAPDU);
+		res = EMVSearchPSE(activateField, true, decodeTLV, tlvSelect);
+
+		// check PPSE and select application id
+		if (!res) {	
+			TLVPrintAIDlistFromSelectTLV(tlvSelect);
+			EMVSelectApplication(tlvSelect, AID, &AIDlen);
+		}
+	}
+	
+	// Search
+	if (!AIDlen) {
+		PrintAndLog("\n* Search AID in list.");
+		SetAPDULogging(false);
+		if (EMVSearch(activateField, true, decodeTLV, tlvSelect)) {
+			tlvdb_free(tlvSelect);
+			return 2;
+		}
+
+		// check search and select application id
+		TLVPrintAIDlistFromSelectTLV(tlvSelect);
+		EMVSelectApplication(tlvSelect, AID, &AIDlen);
+	}
+	
+	// Init TLV tree
+	struct tlvdb *tlvRoot = NULL;
+	const char *alr = "Root terminal TLV tree";
+	tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+	
+	// check if we found EMV application on card
+	if (!AIDlen) {
+		PrintAndLog("Can't select AID. EMV AID not found");
+		return 2;
+	}
+	
+	// Select
+	PrintAndLog("\n* Selecting AID:%s", sprint_hex_inrow(AID, AIDlen));
+	SetAPDULogging(showAPDU);
+	res = EMVSelect(false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
+	
+	if (res) {	
+		PrintAndLog("Can't select AID (%d). Exit...", res);
+		return 3;
+	}
+	
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+	PrintAndLog("* Selected.");
+	
+PrintAndLog("-----BREAK.");
+return 0;
+	PrintAndLog("\n* Init transaction parameters.");
+
+    //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
+	TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // E6
+    //9F02:(Amount, Authorised (Numeric)) len:6
+	TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00");
+    //9F1A:(Terminal Country Code) len:2
+	TLV_ADD(0x9F1A, "ru");
+    //5F2A:(Transaction Currency Code) len:2
+    // USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999
+	TLV_ADD(0x5F2A, "\x09\x80");
+    //9A:(Transaction Date) len:3
+	TLV_ADD(0x9A,   "\x00\x00\x00");
+    //9C:(Transaction Type) len:1   |  00 => Goods and service #01 => Cash
+	TLV_ADD(0x9C,   "\x00");
+	// 9F37 Unpredictable Number len:4
+	TLV_ADD(0x9F37, "\x01\x02\x03\x04");
+
+	TLVPrintFromTLV(tlvRoot);
+	
+	PrintAndLog("\n* Calc PDOL.");
+	struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
+	if (!pdol_data_tlv){
+		PrintAndLog("ERROR: can't create PDOL TLV.");
+		return 4;
+	}
+	
+	size_t pdol_data_tlv_data_len;
+	unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len);
+	if (!pdol_data_tlv_data) {
+		PrintAndLog("ERROR: can't create PDOL data.");
+		return 4;
+	}
+	PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
+
+//PrintAndLog("-----BREAK.");
+//return 0;
+	PrintAndLog("\n* GPO.");
+	res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+	
+	free(pdol_data_tlv);
+	
+	if (res) {	
+		PrintAndLog("GPO error(%d): %4x. Exit...", res, sw);
+		return 5;
+	}
+
+	// process response template format 1 [id:80  2b AIP + x4b AFL] and format 2 [id:77 TLV]
+	if (buf[0] == 0x80) {
+		
+		
+		
+		if (decodeTLV){
+			PrintAndLog("GPO response format1:");
+			TLVPrintFromBuffer(buf, len);
+		}
+	} else {
+		
+		
+		
+		if (decodeTLV)
+			TLVPrintFromBuffer(buf, len);
+	}
+	
+	PrintAndLog("\n* Read records from AFL.");
+	const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
+	if (!AFL || !AFL->len) {
+		PrintAndLog("WARNING: AFL not found.");
+	}
+	
+	while(AFL && AFL->len) {
+		if (AFL->len % 4) {
+			PrintAndLog("ERROR: Wrong AFL length: %d", AFL->len);
+			break;
+		}
+
+		for (int i = 0; i < AFL->len / 4; i++) {
+			uint8_t SFI = AFL->value[i * 4 + 0] >> 3;
+			uint8_t SFIstart = AFL->value[i * 4 + 1];
+			uint8_t SFIend = AFL->value[i * 4 + 2];
+			uint8_t SFIoffline = AFL->value[i * 4 + 3];
+			
+			PrintAndLog("* * SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
+			if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
+				PrintAndLog("SFI ERROR! Skipped...");
+				continue;
+			}
+			
+			for(int n = SFIstart; n <= SFIend; n++) {
+				PrintAndLog("* * * SFI[%02x] %d", SFI, n);
+				
+				res = EMVReadRecord(true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
+				if (res) {
+					PrintAndLog("ERROR SFI[%02x]. APDU error %4x", SFI, sw);
+					continue;
+				}
+				
+				if (decodeTLV) {
+					TLVPrintFromBuffer(buf, len);
+					PrintAndLog("");
+				}
+				
+				if (SFIoffline) {
+					// here will be offline records storing...
+					// dont foget: if (sfi < 11)
+				}
+			}
+		}
+		
+		break;
+	}	
+	
+	// additional contacless EMV commands (fDDA, CDA, external authenticate)
+	
+	
+	// DropField
+	DropField();
+	
+	// Destroy TLV's
+	tlvdb_free(tlvSelect);
+	tlvdb_free(tlvRoot);
+
+	PrintAndLog("\n* Transaction completed.");
+	
+	return 0;
+}
+
+int CmdHelp(const char *Cmd);
+static command_t CommandTable[] =  {
+	{"help",	CmdHelp,		1,	"This help"},
+	{"exec",	CmdHFEMVExec,	0,	"Executes EMV contactless transaction."},
+	{"pse",		CmdHFEMVPPSE,	0,	"Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."},
+	{"search",	CmdHFEMVSearch,	0,	"Try to select all applets from applets list and print installed applets."},
+	{"select",	CmdHFEMVSelect,	0,	"Select applet."},
+	{NULL, NULL, 0, NULL}
+};
+
+int CmdHFEMV(const char *Cmd) {
+	CmdsParse(CommandTable, Cmd);
+	return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+	CmdsHelp(CommandTable);
+	return 0;
+}
diff --git a/client/emv/cmdemv.h b/client/emv/cmdemv.h
new file mode 100644
index 00000000..78796efa
--- /dev/null
+++ b/client/emv/cmdemv.h
@@ -0,0 +1,31 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2017 Merlok
+//
+// 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.
+//-----------------------------------------------------------------------------
+// EMV commands
+//-----------------------------------------------------------------------------
+
+#ifndef CMDEMV_H__
+#define CMDEMV_H__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <string.h>
+#include "proxmark3.h"
+#include "ui.h"
+#include "cmdparser.h"
+#include "common.h"
+#include "util.h"
+#include "util_posix.h"
+#include "cmdmain.h"
+#include "emvcore.h"
+#include "apduinfo.h"
+
+int CmdHFEMV(const char *Cmd);
+
+
+#endif
\ No newline at end of file
diff --git a/client/emv/dol.c b/client/emv/dol.c
new file mode 100644
index 00000000..0fc1c49b
--- /dev/null
+++ b/client/emv/dol.c
@@ -0,0 +1,135 @@
+/*
+ * libopenemv - a library to work with EMV family of smart cards
+ * Copyright (C) 2015 Dmitry Eremin-Solenikov
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "emv/dol.h"
+#include "emv/tlv.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+static size_t dol_calculate_len(const struct tlv *tlv, size_t data_len)
+{
+	if (!tlv)
+		return 0;
+
+	const unsigned char *buf = tlv->value;
+	size_t left = tlv->len;
+	size_t count = 0;
+
+	while (left) {
+		struct tlv tlv;
+		if (!tlv_parse_tl(&buf, &left, &tlv))
+			return 0;
+
+		count += tlv.len;
+
+		/* Last tag can be of variable length */
+		if (tlv.len == 0 && left == 0)
+			count = data_len;
+	}
+
+	return count;
+}
+
+struct tlv *dol_process(const struct tlv *tlv, const struct tlvdb *tlvdb, tlv_tag_t tag)
+{
+	size_t res_len;
+	if (!tlv || !(res_len = dol_calculate_len(tlv, 0))) {
+		struct tlv *res_tlv = malloc(sizeof(*res_tlv));
+
+		res_tlv->tag = tag;
+		res_tlv->len = 0;
+		res_tlv->value = NULL;
+
+		return res_tlv;
+	}
+
+	struct tlv *res_tlv = malloc(sizeof(*res_tlv) + res_len);
+	if (!res_tlv)
+		return NULL;
+
+	const unsigned char *buf = tlv->value;
+	size_t left = tlv->len;
+	unsigned char *res = (unsigned char *)(res_tlv + 1);
+	size_t pos = 0;
+
+	while (left) {
+		struct tlv cur_tlv;
+		if (!tlv_parse_tl(&buf, &left, &cur_tlv) || pos + cur_tlv.len > res_len) {
+			free(res_tlv);
+
+			return NULL;
+		}
+
+		const struct tlv *tag_tlv = tlvdb_get(tlvdb, cur_tlv.tag, NULL);
+		if (!tag_tlv) {
+			memset(res + pos, 0, cur_tlv.len);
+		} else if (tag_tlv->len > cur_tlv.len) {
+			memcpy(res + pos, tag_tlv->value, cur_tlv.len);
+		} else {
+			// FIXME: cn data should be padded with 0xFF !!!
+			memcpy(res + pos, tag_tlv->value, tag_tlv->len);
+			memset(res + pos + tag_tlv->len, 0, cur_tlv.len - tag_tlv->len);
+		}
+		pos += cur_tlv.len;
+	}
+
+	res_tlv->tag = tag;
+	res_tlv->len = res_len;
+	res_tlv->value = res;
+
+	return res_tlv;
+}
+
+struct tlvdb *dol_parse(const struct tlv *tlv, const unsigned char *data, size_t data_len)
+{
+	if (!tlv)
+		return NULL;
+
+	const unsigned char *buf = tlv->value;
+	size_t left = tlv->len;
+	size_t res_len = dol_calculate_len(tlv, data_len);
+	size_t pos = 0;
+	struct tlvdb *db = NULL;
+
+	if (res_len != data_len)
+		return NULL;
+
+	while (left) {
+		struct tlv cur_tlv;
+		if (!tlv_parse_tl(&buf, &left, &cur_tlv) || pos + cur_tlv.len > res_len) {
+			tlvdb_free(db);
+			return NULL;
+		}
+
+		/* Last tag can be of variable length */
+		if (cur_tlv.len == 0 && left == 0)
+			cur_tlv.len = res_len - pos;
+
+		struct tlvdb *tag_db = tlvdb_fixed(cur_tlv.tag, cur_tlv.len, data + pos);
+		if (!db)
+			db = tag_db;
+		else
+			tlvdb_add(db, tag_db);
+
+		pos += cur_tlv.len;
+	}
+
+	return db;
+}
diff --git a/client/emv/dol.h b/client/emv/dol.h
new file mode 100644
index 00000000..9b1b5165
--- /dev/null
+++ b/client/emv/dol.h
@@ -0,0 +1,25 @@
+/*
+ * libopenemv - a library to work with EMV family of smart cards
+ * Copyright (C) 2015 Dmitry Eremin-Solenikov
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ */
+
+#ifndef DOL_H
+#define DOL_H
+
+#include "emv/tlv.h"
+#include <stddef.h>
+
+struct tlv *dol_process(const struct tlv *tlv, const struct tlvdb *tlvdb, tlv_tag_t tag);
+struct tlvdb *dol_parse(const struct tlv *tlv, const unsigned char *buf, size_t len);
+
+#endif
diff --git a/client/emv/dump.c b/client/emv/dump.c
index 41d7c9fd..2368680a 100644
--- a/client/emv/dump.c
+++ b/client/emv/dump.c
@@ -18,8 +18,8 @@
 #endif
 
 #include "dump.h"
-
 #include <stdio.h>
+#include <string.h>
 
 #define PRINT_INDENT(level) 	{for (int i = 0; i < (level); i++) fprintf(f, "\t");}
 
diff --git a/client/emv/dump.h b/client/emv/dump.h
index 567a134f..a981615a 100644
--- a/client/emv/dump.h
+++ b/client/emv/dump.h
@@ -21,5 +21,6 @@
 
 void dump_buffer_simple(const unsigned char *ptr, size_t len, FILE *f);
 void dump_buffer(const unsigned char *ptr, size_t len, FILE *f, int level);
+void dump_buffer_tab(const unsigned char *ptr, size_t len, FILE *f, int tabs);
 
 #endif
diff --git a/client/emv/emv_tags.c b/client/emv/emv_tags.c
index d91685c4..a7c11c3e 100644
--- a/client/emv/emv_tags.c
+++ b/client/emv/emv_tags.c
@@ -29,6 +29,7 @@ enum emv_tag_t {
 	EMV_TAG_BITMASK,
 	EMV_TAG_DOL,
 	EMV_TAG_CVM_LIST,
+	EMV_TAG_AFL,
 	EMV_TAG_STRING,
 	EMV_TAG_NUMERIC,
 	EMV_TAG_YYMMDD,
@@ -57,7 +58,7 @@ static const struct emv_tag_bit EMV_AIP[] = {
 	{ EMV_BIT(1, 3), "Issuer authentication is supported" },
 	{ EMV_BIT(1, 2), "Reserved for use by the EMV Contactless Specifications" },
 	{ EMV_BIT(1, 1), "CDA supported" },
-	{ EMV_BIT(2, 8), "Reserved for use by the EMV Contactless Specifications" },
+	{ EMV_BIT(2, 8), "MSD is supported (Magnetic Stripe Data)" },
 	{ EMV_BIT(2, 7), "Reserved for use by the EMV Contactless Specifications" },
 	{ EMV_BIT(2, 6), "Reserved for use by the EMV Contactless Specifications" },
 	{ EMV_BIT(2, 1), "Reserved for use by the EMV Contactless Specifications" },
@@ -113,8 +114,44 @@ static const struct emv_tag_bit EMV_TVR[] = {
 	EMV_BIT_FINISH,
 };
 
+static const struct emv_tag_bit EMV_CTQ[] = {
+	{ EMV_BIT(1, 8), "Online PIN Required" },
+	{ EMV_BIT(1, 7), "Signature Required" },
+	{ EMV_BIT(1, 6), "Go Online if Offline Data Authentication Fails and Reader is online capable" },
+	{ EMV_BIT(1, 5), "Switch Interface if Offline Data Authentication fails and Reader supports VIS" },
+	{ EMV_BIT(1, 4), "Go Online if Application Expired" },
+	{ EMV_BIT(1, 3), "Switch Interface for Cash Transactions" },
+	{ EMV_BIT(1, 2), "Switch Interface for Cashback Transactions" },
+	{ EMV_BIT(2, 8), "Consumer Device CVM Performed" },
+	{ EMV_BIT(2, 7), "Card supports Issuer Update Processing at the POS" },
+	EMV_BIT_FINISH,
+};
+
+static const struct emv_tag_bit EMV_TTQ[] = {
+	{ EMV_BIT(1, 8), "MSD supported" },
+	{ EMV_BIT(1, 7), "VSDC supported" },
+	{ EMV_BIT(1, 6), "qVSDC supported" },
+	{ EMV_BIT(1, 5), "EMV contact chip supported" },
+	{ EMV_BIT(1, 4), "Offline-only reader" },
+	{ EMV_BIT(1, 3), "Online PIN supported" },
+	{ EMV_BIT(1, 2), "Signature supported" },
+	{ EMV_BIT(1, 1), "Offline Data Authentication (ODA) for Online Authorizations supported\nWarning!!!! Readers compliant to this specification set TTQ byte 1 bit 1 (this field) to 0b" },
+	{ EMV_BIT(2, 8), "Online cryptogram required" },
+	{ EMV_BIT(2, 7), "CVM required" },
+	{ EMV_BIT(2, 6), "(Contact Chip) Offline PIN supported" },
+	{ EMV_BIT(3, 8), "Issuer Update Processing supported" },
+	{ EMV_BIT(3, 7), "Mobile functionality supported (Consumer Device CVM)" },
+	EMV_BIT_FINISH,
+};
+
+// All Data Elements by Tags used in TLV structure (according to the EMV 4.2 Standard )
+// https://www.eftlab.co.uk/index.php/site-map/knowledge-base/145-emv-nfc-tags
+// http://dexterous-programmer.blogspot.in/2012/05/emv-tags.html
 static const struct emv_tag emv_tags[] = {
 	{ 0x00  , "Unknown ???" },
+	{ 0x01  , "", EMV_TAG_STRING }, // string for headers
+	{ 0x41  , "Country code and national data" },
+	{ 0x42  , "Issuer Identification Number (IIN)" },
 	{ 0x4f  , "Application Dedicated File (ADF) Name" },
 	{ 0x50  , "Application Label", EMV_TAG_STRING },
 	{ 0x56  , "Track 1 Data" },
@@ -147,12 +184,13 @@ static const struct emv_tag emv_tags[] = {
 	{ 0x91  , "Issuer Authentication Data" },
 	{ 0x92  , "Issuer Public Key Remainder" },
 	{ 0x93  , "Signed Static Application Data" },
-	{ 0x94  , "Application File Locator (AFL)" },
+	{ 0x94  , "Application File Locator (AFL)", EMV_TAG_AFL },
 	{ 0x95  , "Terminal Verification Results" },
 	{ 0x9a  , "Transaction Date", EMV_TAG_YYMMDD },
 	{ 0x9c  , "Transaction Type" },
 	{ 0x9f02, "Amount, Authorised (Numeric)", EMV_TAG_NUMERIC },
 	{ 0x9f03, "Amount, Other (Numeric)", EMV_TAG_NUMERIC, },
+	{ 0x9f06, "Application Identifier (AID), Terminal. ISO 7816-5" },
 	{ 0x9f07, "Application Usage Control", EMV_TAG_BITMASK, &EMV_AUC },
 	{ 0x9f08, "Application Version Number" },
 	{ 0x9f0d, "Issuer Action Code - Default", EMV_TAG_BITMASK, &EMV_TVR },
@@ -168,6 +206,7 @@ static const struct emv_tag emv_tags[] = {
 	{ 0x9f21, "Transaction Time" },
 	{ 0x9f26, "Application Cryptogram" },
 	{ 0x9f27, "Cryptogram Information Data" },
+	{ 0x9f2a, "Kernel Identifier" },
 	{ 0x9f2d, "ICC PIN Encipherment Public Key Certificate" },
 	{ 0x9f2e, "ICC PIN Encipherment Public Key Exponent" },
 	{ 0x9f2f, "ICC PIN Encipherment Public Key Remainder" },
@@ -193,9 +232,12 @@ static const struct emv_tag emv_tags[] = {
 	{ 0x9f63, "PUNATC(Track1)" },
 	{ 0x9f64, "NATC(Track1)" },
 	{ 0x9f65, "PCVC3(Track2)" },
-	{ 0x9f66, "PUNATC(Track2)" },
-	{ 0x9f67, "NATC(Track2)" },
+	{ 0x9f66, "PUNATC(Track2) / Terminal Transaction Qualifiers (TTQ)", EMV_TAG_BITMASK, &EMV_TTQ },
+	{ 0x9f67, "NATC(Track2) / MSD Offset" },
+	{ 0x9f69, "Card Authentication Related Data" },
+	{ 0x9f6a, "Unpredictable Number", EMV_TAG_NUMERIC },
 	{ 0x9f6b, "Track 2 Data" },
+	{ 0x9f6c, "Card Transaction Qualifiers (CTQ)", EMV_TAG_BITMASK, &EMV_CTQ },
 	{ 0xa5  , "File Control Information (FCI) Proprietary Template" },
 	{ 0xbf0c, "File Control Information (FCI) Issuer Discretionary Data" },
 };
@@ -242,10 +284,11 @@ static void emv_tag_dump_bitmask(const struct tlv *tlv, const struct emv_tag *ta
 		PRINT_INDENT(level);
 		fprintf(f, "\tByte %u (%02x)\n", byte, val);
 		for (bit = 8; bit > 0; bit--, val <<= 1) {
-			if (val & 0x80)
+			if (val & 0x80){
 				PRINT_INDENT(level);
 				fprintf(f, "\t\t%s - '%s'\n", bitstrings[bit - 1],
 						bits->bit == EMV_BIT(byte, bit) ? bits->name : "Unknown");
+			}
 			if (bits->bit == EMV_BIT(byte, bit))
 				bits ++;
 		}
@@ -276,10 +319,8 @@ static void emv_tag_dump_dol(const struct tlv *tlv, const struct emv_tag *tag, F
 
 static void emv_tag_dump_string(const struct tlv *tlv, const struct emv_tag *tag, FILE *f, int level)
 {
-	PRINT_INDENT(level);
 	fprintf(f, "\tString value '");
 	fwrite(tlv->value, 1, tlv->len, f);
-	PRINT_INDENT(level);
 	fprintf(f, "'\n");
 }
 
@@ -433,6 +474,19 @@ static void emv_tag_dump_cvm_list(const struct tlv *tlv, const struct emv_tag *t
 	}
 }
 
+static void emv_tag_dump_afl(const struct tlv *tlv, const struct emv_tag *tag, FILE *f, int level){
+	if (tlv->len < 4 || tlv->len % 4) {
+		PRINT_INDENT(level);
+		fprintf(f, "\tINVALID!\n");
+		return;
+	}
+	
+	for (int i = 0; i < tlv->len / 4; i++) {
+		PRINT_INDENT(level);
+		fprintf(f, "SFI[%02x] start:%02x end:%02x offline:%02x\n", tlv->value[i * 4 + 0] >> 3, tlv->value[i * 4 + 1], tlv->value[i * 4 + 2], tlv->value[i * 4 + 3]);
+	}
+}
+
 bool emv_tag_dump(const struct tlv *tlv, FILE *f, int level)
 {
 	if (!tlv) {
@@ -443,20 +497,28 @@ bool emv_tag_dump(const struct tlv *tlv, FILE *f, int level)
 	const struct emv_tag *tag = emv_get_tag(tlv);
 
 	PRINT_INDENT(level);
-	fprintf(f, "--%2hx[%02zx] '%s':\n", tlv->tag, tlv->len, tag->name);
+	fprintf(f, "--%2hx[%02zx] '%s':", tlv->tag, tlv->len, tag->name);
 
 	switch (tag->type) {
 	case EMV_TAG_GENERIC:
+		fprintf(f, "\n");
 		break;
 	case EMV_TAG_BITMASK:
+		fprintf(f, "\n");
 		emv_tag_dump_bitmask(tlv, tag, f, level);
 		break;
 	case EMV_TAG_DOL:
+		fprintf(f, "\n");
 		emv_tag_dump_dol(tlv, tag, f, level);
 		break;
 	case EMV_TAG_CVM_LIST:
+		fprintf(f, "\n");
 		emv_tag_dump_cvm_list(tlv, tag, f, level);
 		break;
+	case EMV_TAG_AFL:
+		fprintf(f, "\n");
+		emv_tag_dump_afl(tlv, tag, f, level);
+		break;
 	case EMV_TAG_STRING:
 		emv_tag_dump_string(tlv, tag, f, level);
 		break;
diff --git a/client/emv/emvcore.c b/client/emv/emvcore.c
index 63a69baa..5c737b05 100644
--- a/client/emv/emvcore.c
+++ b/client/emv/emvcore.c
@@ -10,6 +10,77 @@
 
 #include "emvcore.h"
 
+// Got from here. Thanks)
+// https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix
+const char *PSElist [] = { 
+	"325041592E5359532E4444463031", // 2PAY.SYS.DDF01 - Visa Proximity Payment System Environment - PPSE
+	"315041592E5359532E4444463031"  // 1PAY.SYS.DDF01 - Visa Payment System Environment - PSE
+};
+const size_t PSElistLen = sizeof(PSElist)/sizeof(char*);
+
+const char *AIDlist [] = { 
+	// Visa International
+	"A00000000305076010",	// VISA ELO Credit	
+	"A0000000031010",		// VISA Debit/Credit (Classic)	
+	"A0000000031010",		// ddddddddddddddddddddddddddddddddddddddddddddddddddddddddd	
+	"A000000003101001",		// VISA Credit	
+	"A000000003101002",		// VISA Debit	
+	"A0000000032010",		// VISA Electron
+	"A0000000032020",		// VISA	
+	"A0000000033010",		// VISA Interlink	
+	"A0000000034010",		// VISA Specific	
+	"A0000000035010",		// VISA Specific	
+	"A0000000036010",		// Domestic Visa Cash Stored Value	
+	"A0000000036020",		// International Visa Cash Stored Value	
+	"A0000000038002",		// VISA Auth, VisaRemAuthen EMV-CAP (DPA)	
+	"A0000000038010",		// VISA Plus	
+	"A0000000039010",		// VISA Loyalty	
+	"A000000003999910",		// VISA Proprietary ATM	
+	// Visa USA
+	"A000000098",			// Debit Card
+	"A0000000980848",		// Debit Card
+	// Mastercard International
+	"A00000000401",			// MasterCard PayPass	
+	"A0000000041010",		// MasterCard Credit
+	"A00000000410101213",	// MasterCard Credit
+	"A00000000410101215",	// MasterCard Credit
+	"A0000000042010",		// MasterCard Specific
+	"A0000000043010",		// MasterCard Specific
+	"A0000000043060",		// Maestro (Debit)
+	"A000000004306001",		// Maestro (Debit)
+	"A0000000044010",		// MasterCard Specific
+	"A0000000045010",		// MasterCard Specific
+	"A0000000046000",		// Cirrus
+	"A0000000048002",		// SecureCode Auth EMV-CAP
+	"A0000000049999",		// MasterCard PayPass	
+	// American Express
+	"A000000025",
+	"A0000000250000",
+	"A00000002501",
+	"A000000025010402",
+	"A000000025010701",
+	"A000000025010801",
+	// Groupement des Cartes Bancaires "CB"
+	"A0000000421010",		// Cartes Bancaire EMV Card	
+	"A0000000422010",		
+	"A0000000423010",		
+	"A0000000424010",		
+	"A0000000425010",		
+	// JCB CO., LTD.
+	"A00000006510",			// JCB	
+	"A0000000651010",		// JCB J Smart Credit	
+	"A0000001544442",		// Banricompras Debito - Banrisul - Banco do Estado do Rio Grande do SUL - S.A.
+	"F0000000030001",		// BRADESCO
+	"A0000005241010",		// RuPay - RuPay
+	"D5780000021010"		// Bankaxept - Bankaxept	
+};
+const size_t AIDlistLen = sizeof(AIDlist)/sizeof(char*);
+
+static bool APDULogging = false;
+void SetAPDULogging(bool logging) {
+	APDULogging = logging;
+}
+
 static bool print_cb(void *data, const struct tlv *tlv, int level, bool is_leaf) {
 	emv_tag_dump(tlv, stdout, level);
 	if (is_leaf) {
@@ -23,7 +94,7 @@ void TLVPrintFromBuffer(uint8_t *data, int datalen) {
 	struct tlvdb *t = NULL;
 	t = tlvdb_parse_multi(data, datalen);
 	if (t) {
-		PrintAndLog("TLV decoded:");
+		PrintAndLog("-------------------- TLV decoded --------------------");
 		
 		tlvdb_visit(t, print_cb, NULL, 0);
 		tlvdb_free(t);
@@ -31,3 +102,362 @@ void TLVPrintFromBuffer(uint8_t *data, int datalen) {
 		PrintAndLog("TLV ERROR: Can't parse response as TLV tree.");
 	}
 }
+
+void TLVPrintFromTLV(struct tlvdb *tlv) {
+	if (!tlv) 
+		return;
+	
+	tlvdb_visit(tlv, print_cb, NULL, 0);
+}
+
+void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv) {
+	PrintAndLog("|------------------|--------|-------------------------|");
+	PrintAndLog("|    AID           |Priority| Name                    |");
+	PrintAndLog("|------------------|--------|-------------------------|");
+
+	struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
+	if (!ttmp)
+		PrintAndLog("|                         none                        |");
+		
+	while (ttmp) {
+		const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL);
+		const struct tlv *tgName = tlvdb_get_inchild(ttmp, 0x50, NULL);
+		const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL);
+		if (!tgAID)
+			break;
+		PrintAndLog("|%s|   %s  |%s|", 
+			sprint_hex_inrow_ex(tgAID->value, tgAID->len, 18), 
+			(tgPrio) ? sprint_hex(tgPrio->value, 1) : "   ", 
+			(tgName) ? sprint_ascii_ex(tgName->value, tgName->len, 25) : "                         ");
+		
+		ttmp = tlvdb_find_next(ttmp, 0x6f);
+	}
+
+	PrintAndLog("|------------------|--------|-------------------------|");
+}
+
+
+int EMVSelect(bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
+	uint8_t data[APDU_RES_LEN] = {0};
+	*ResultLen = 0;
+	if (sw)	*sw = 0;
+	uint16_t isw = 0;
+	
+	// select APDU
+	data[0] = 0x00;
+	data[1] = 0xA4;
+	data[2] = 0x04;
+	data[3] = 0x00;
+	data[4] = AIDLen;
+	memcpy(&data[5], AID, AIDLen);
+	
+	if (ActivateField)
+		DropField();
+	
+	if (APDULogging)
+		PrintAndLog(">>>> %s", sprint_hex(data, AIDLen + 6));
+
+	int res = ExchangeAPDU14a(data, AIDLen + 6, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+	
+	if (APDULogging)
+		PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen));
+	
+	if (res) {
+		return res;
+	}
+	
+	if (*ResultLen < 2) {
+		PrintAndLog("SELECT ERROR: returned %d bytes", *ResultLen);
+		return 5;
+	}
+	
+	*ResultLen -= 2;
+	isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
+	if (sw)
+		*sw = isw;
+
+	if (isw != 0x9000) {
+		if (APDULogging)
+			PrintAndLog("SELECT ERROR: [%4X] %s", isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff));
+		return 5;
+	}
+
+	// add to tlv tree
+	if (tlv) {
+		struct tlvdb *t = tlvdb_parse_multi(Result, *ResultLen);
+		tlvdb_add(tlv, t);
+	}
+	
+	return 0;
+}
+
+int EMVSelectPSE(bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) {
+	uint8_t buf[APDU_AID_LEN] = {0};
+	*ResultLen = 0;
+	int len = 0;
+	int res = 0;
+	switch (PSENum) {
+		case 1:
+			param_gethex_to_eol(PSElist[1], 0, buf, sizeof(buf), &len);
+			break;
+		case 2:
+			param_gethex_to_eol(PSElist[0], 0, buf, sizeof(buf), &len);
+			break;
+		default:
+			return -1;
+	}
+	
+	// select
+	res = EMVSelect(ActivateField, LeaveFieldON, buf, len, Result, MaxResultLen, ResultLen, sw, NULL);
+
+	return res;
+}
+
+int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
+	uint8_t data[APDU_RES_LEN] = {0};
+	size_t datalen = 0;
+	uint16_t sw = 0;
+	int res;
+
+	// select PPSE
+	res = EMVSelectPSE(ActivateField, true, 2, data, sizeof(data), &datalen, &sw);
+
+	if (!res){
+		struct tlvdb *t = NULL;
+		t = tlvdb_parse_multi(data, datalen);
+		if (t) {
+			int retrycnt = 0;
+			struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00});
+			if (!ttmp)
+				PrintAndLog("PPSE don't have records.");
+			
+			while (ttmp) {
+				const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x4f, NULL);
+				if (tgAID) {
+					res = EMVSelect(false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
+
+					// retry if error and not returned sw error
+					if (res && res != 5) {
+						if (++retrycnt < 3){
+							continue;
+						} else {
+							// card select error, proxmark error
+							if (res == 1) {
+								PrintAndLog("Exit...");
+								return 1;
+							}
+							
+							retrycnt = 0;
+							PrintAndLog("Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len));
+						}
+						
+						// next element
+						ttmp = tlvdb_find_next(ttmp, 0x61);
+						continue;
+					}
+					retrycnt = 0;
+
+					// all is ok
+					if (decodeTLV){
+						PrintAndLog("%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
+						TLVPrintFromBuffer(data, datalen);
+					}
+				}
+				
+				ttmp = tlvdb_find_next(ttmp, 0x61);
+			}
+
+			tlvdb_free(t);
+		} else {
+			PrintAndLog("PPSE ERROR: Can't get TLV from response.");
+		}		
+	} else {
+		PrintAndLog("PPSE ERROR: Can't select PPSE AID. Error: %d", res);
+	}
+	
+	if(!LeaveFieldON)
+		DropField();
+	
+	return res;
+}
+
+int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
+	uint8_t aidbuf[APDU_AID_LEN] = {0};
+	int aidlen = 0;
+	uint8_t data[APDU_RES_LEN] = {0};
+	size_t datalen = 0;
+	uint16_t sw = 0;
+	
+	int res = 0;
+	int retrycnt = 0;
+	for(int i = 0; i < AIDlistLen; i ++) {
+		param_gethex_to_eol(AIDlist[i], 0, aidbuf, sizeof(aidbuf), &aidlen);
+		res = EMVSelect((i == 0) ? ActivateField : false, (i == AIDlistLen - 1) ? LeaveFieldON : true, aidbuf, aidlen, data, sizeof(data), &datalen, &sw, tlv);
+		// retry if error and not returned sw error
+		if (res && res != 5) {
+			if (++retrycnt < 3){
+				i--;
+			} else {
+				// card select error, proxmark error
+				if (res == 1) {
+					PrintAndLog("Exit...");
+					return 1;
+				}
+				
+				retrycnt = 0;
+				PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i]);
+			}
+			continue;
+		}
+		retrycnt = 0;
+		
+		if (res)
+			continue;
+		
+		if (decodeTLV){
+			PrintAndLog("%s:", AIDlist[i]);
+			TLVPrintFromBuffer(data, datalen);
+		}
+	}
+
+	return 0;
+}
+
+int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) {
+	// needs to check priority. 0x00 - highest
+	int prio = 0xffff;
+	
+	*AIDlen = 0;
+
+	struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
+	if (!ttmp)
+		return 1;
+		
+	while (ttmp) {
+		const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL);
+		const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL);
+		
+		if (!tgAID)
+			break;
+
+		if (tgPrio) {
+			int pt = bytes_to_num((uint8_t*)tgPrio->value, (tgPrio->len < 2) ? tgPrio->len : 2); 
+			if (pt < prio) {
+				prio = pt;
+				
+				memcpy(AID, tgAID->value, tgAID->len);
+				*AIDlen = tgAID->len;
+			}
+		} else {
+			// takes the first application from list wo priority
+			if (!*AIDlen) {
+			memcpy(AID, tgAID->value, tgAID->len);
+			*AIDlen = tgAID->len;				
+			}
+		}
+		
+		ttmp = tlvdb_find_next(ttmp, 0x6f);
+	}
+	
+	return 0;
+}
+
+int EMVGPO(bool LeaveFieldON, uint8_t *PDOL, size_t PDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
+	uint8_t data[APDU_RES_LEN] = {0};
+	*ResultLen = 0;
+	if (sw)	*sw = 0;
+	uint16_t isw = 0;
+	
+	// GPO APDU
+	data[0] = 0x80;
+	data[1] = 0xA8;
+	data[2] = 0x00;
+	data[3] = 0x00;
+	data[4] = PDOLLen;
+	if (PDOL)
+		memcpy(&data[5], PDOL, PDOLLen);
+	
+	
+	if (APDULogging)
+		PrintAndLog(">>>> %s", sprint_hex(data, PDOLLen + 5));
+
+	int res = ExchangeAPDU14a(data, PDOLLen + 5, false, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+	
+	if (APDULogging)
+		PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen));
+	
+	if (res) {
+		return res;
+	}
+	
+	if (*ResultLen < 2) {
+		PrintAndLog("GPO ERROR: returned %d bytes", *ResultLen);
+		return 5;
+	}
+	
+	*ResultLen -= 2;
+	isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
+	if (sw)
+		*sw = isw;
+
+	if (isw != 0x9000) {
+		if (APDULogging)
+			PrintAndLog("GPO ERROR: [%4X] %s", isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff));
+		return 5;
+	}
+
+	// add to tlv tree
+	if (tlv) {
+		struct tlvdb *t = tlvdb_parse_multi(Result, *ResultLen);
+		tlvdb_add(tlv, t);
+	}
+	
+	return 0;
+}
+
+int EMVReadRecord(bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
+	uint8_t data[10] = {0};
+	*ResultLen = 0;
+	if (sw)	*sw = 0;
+	uint16_t isw = 0;
+	
+	// read record APDU
+	data[0] = 0x00;
+	data[1] = 0xb2;
+	data[2] = SFIrec;
+	data[3] = (SFI << 3) | 0x04;
+	data[4] = 0;
+	
+	if (APDULogging)
+		PrintAndLog(">>>> %s", sprint_hex(data, 5));
+
+	int res = ExchangeAPDU14a(data, 5, false, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+	
+	if (APDULogging)
+		PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen));
+	
+	if (res) {
+		return res;
+	}
+
+	*ResultLen -= 2;
+	isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
+	if (sw)
+		*sw = isw;
+
+	if (isw != 0x9000) {
+		if (APDULogging)
+			PrintAndLog("Read record ERROR: [%4X] %s", isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff));
+		return 5;
+	}
+
+	// add to tlv tree
+	if (tlv) {
+		struct tlvdb *t = tlvdb_parse_multi(Result, *ResultLen);
+		tlvdb_add(tlv, t);
+	}
+	
+	return 0;
+}
+
+
diff --git a/client/emv/emvcore.h b/client/emv/emvcore.h
index 523b92ac..fdd3ab86 100644
--- a/client/emv/emvcore.h
+++ b/client/emv/emvcore.h
@@ -5,7 +5,7 @@
 // at your option, any later version. See the LICENSE.txt file for the text of
 // the license.
 //-----------------------------------------------------------------------------
-// EMV core functions
+// EMV core functionality
 //-----------------------------------------------------------------------------
 
 #ifndef EMVCORE_H__
@@ -15,14 +15,36 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <inttypes.h>
+#include <string.h>
 #include "util.h"
 #include "common.h"
 #include "ui.h"
+#include "cmdhf14a.h"
+#include "emv/apduinfo.h"
 #include "emv/tlv.h"
+#include "emv/dol.h"
 #include "emv/dump.h"
 #include "emv/emv_tags.h"
 
+#define APDU_RES_LEN 260
+#define APDU_AID_LEN 50
+
 extern void TLVPrintFromBuffer(uint8_t *data, int datalen);
+extern void TLVPrintFromTLV(struct tlvdb *tlv);
+extern void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv);
+
+extern void SetAPDULogging(bool logging);
+
+// search application
+extern int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv);
+extern int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv);
+extern int EMVSelectPSE(bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw);
+extern int EMVSelect(bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv);
+// select application
+extern int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen);
+// Get Processing Options
+extern int EMVGPO(bool LeaveFieldON, uint8_t *PDOL, size_t PDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv);
+extern int EMVReadRecord(bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv);
 
 #endif
 
diff --git a/client/emv/tlv.c b/client/emv/tlv.c
index 24125cc7..1be91777 100644
--- a/client/emv/tlv.c
+++ b/client/emv/tlv.c
@@ -299,6 +299,40 @@ void tlvdb_free(struct tlvdb *tlvdb)
 	}
 }
 
+struct tlvdb *tlvdb_find_next(struct tlvdb *tlvdb, tlv_tag_t tag) {
+	if (!tlvdb)
+		return NULL;
+	
+	return tlvdb_find(tlvdb->next, tag);
+}
+
+struct tlvdb *tlvdb_find(struct tlvdb *tlvdb, tlv_tag_t tag) {
+	if (!tlvdb)
+		return NULL;
+	
+	for (; tlvdb; tlvdb = tlvdb->next) {
+		if (tlvdb->tag.tag == tag)
+			return tlvdb;
+	}
+
+	return NULL;
+}
+
+struct tlvdb *tlvdb_find_path(struct tlvdb *tlvdb, tlv_tag_t tag[]) {
+	int i = 0;
+	struct tlvdb *tnext = tlvdb;
+	
+	while (tnext && tag[i]) {
+		tnext = tlvdb_find(tnext, tag[i]);
+		i++;
+		if (tag[i] && tnext) {
+			tnext = tnext->children;
+		}
+	}
+	
+	return tnext;
+}
+
 void tlvdb_add(struct tlvdb *tlvdb, struct tlvdb *other)
 {
 	while (tlvdb->next) {
@@ -317,9 +351,8 @@ void tlvdb_visit(const struct tlvdb *tlvdb, tlv_cb cb, void *data, int level)
 
 	for (; tlvdb; tlvdb = next) {
 		next = tlvdb->next;
-		bool is_leaf = (tlvdb->children == NULL);
-		cb(data, &tlvdb->tag, level, is_leaf);
-		tlvdb_visit(tlvdb->children, cb, data, level+1);
+		cb(data, &tlvdb->tag, level, (tlvdb->children == NULL));
+		tlvdb_visit(tlvdb->children, cb, data, level + 1);
 	}
 }
 
@@ -356,6 +389,11 @@ const struct tlv *tlvdb_get(const struct tlvdb *tlvdb, tlv_tag_t tag, const stru
 	return NULL;
 }
 
+const struct tlv *tlvdb_get_inchild(const struct tlvdb *tlvdb, tlv_tag_t tag, const struct tlv *prev) {
+	tlvdb = tlvdb->children;
+	return tlvdb_get(tlvdb, tag, prev);
+}
+
 unsigned char *tlv_encode(const struct tlv *tlv, size_t *len)
 {
 	size_t size = tlv->len;
diff --git a/client/emv/tlv.h b/client/emv/tlv.h
index 5a573566..5b8b6825 100644
--- a/client/emv/tlv.h
+++ b/client/emv/tlv.h
@@ -39,10 +39,15 @@ struct tlvdb *tlvdb_parse(const unsigned char *buf, size_t len);
 struct tlvdb *tlvdb_parse_multi(const unsigned char *buf, size_t len);
 void tlvdb_free(struct tlvdb *tlvdb);
 
+struct tlvdb *tlvdb_find(struct tlvdb *tlvdb, tlv_tag_t tag);
+struct tlvdb *tlvdb_find_next(struct tlvdb *tlvdb, tlv_tag_t tag);
+struct tlvdb *tlvdb_find_path(struct tlvdb *tlvdb, tlv_tag_t tag[]);
+
 void tlvdb_add(struct tlvdb *tlvdb, struct tlvdb *other);
 
 void tlvdb_visit(const struct tlvdb *tlvdb, tlv_cb cb, void *data, int level);
 const struct tlv *tlvdb_get(const struct tlvdb *tlvdb, tlv_tag_t tag, const struct tlv *prev);
+const struct tlv *tlvdb_get_inchild(const struct tlvdb *tlvdb, tlv_tag_t tag, const struct tlv *prev);
 
 bool tlv_parse_tl(const unsigned char **buf, size_t *len, struct tlv *tlv);
 unsigned char *tlv_encode(const struct tlv *tlv, size_t *len);
diff --git a/client/util.c b/client/util.c
index a1caafdb..92b0e7a6 100644
--- a/client/util.c
+++ b/client/util.c
@@ -154,6 +154,28 @@ char *sprint_hex(const uint8_t *data, const size_t len) {
 	return buf;
 }
 
+char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
+	
+	int maxLen = ( len > 1024/2) ? 1024/2 : len;
+	static char buf[1024] = {0};
+	char *tmp = buf;
+	size_t i;
+
+	for (i = 0; i < maxLen; ++i, tmp += 2)
+		sprintf(tmp, "%02x", (unsigned int) data[i]);
+	
+	i *= 2;
+	int minStrLen = min_str_len > i ? min_str_len : 0;
+	for(; i < minStrLen; i++, tmp += 1) 
+		sprintf(tmp, " ");
+
+	return buf;
+}
+
+char *sprint_hex_inrow(const uint8_t *data, const size_t len) {
+	return sprint_hex_inrow_ex(data, len, 0);
+}
+
 char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) {
 	// make sure we don't go beyond our char array memory
 	int max_len;
@@ -210,7 +232,7 @@ char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
 	return buf;
 }
 
-char *sprint_ascii(const uint8_t *data, const size_t len) {
+char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
 	static char buf[1024];
 	char *tmp = buf;
 	memset(buf, 0x00, 1024);
@@ -221,9 +243,18 @@ char *sprint_ascii(const uint8_t *data, const size_t len) {
 		tmp[i] = ((c < 32) || (c == 127)) ? '.' : c;
 		++i;
 	}
+	
+	int minStrLen = min_str_len > i ? min_str_len : 0;
+	for(; i < minStrLen; ++i) 
+		tmp[i] = ' ';
+	
 	return buf;
 }
 
+char *sprint_ascii(const uint8_t *data, const size_t len) {
+	return sprint_ascii_ex(data, len, 0);
+}
+
 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
 {
 	while (len--) {
@@ -498,8 +529,10 @@ int param_gethex_to_eol(const char *line, int paramnum, uint8_t * data, int maxd
 	
 	int indx = bg;
 	while (line[indx]) {
-		if (line[indx] == '\t' || line[indx] == ' ') 
+		if (line[indx] == '\t' || line[indx] == ' ') {
+			indx++;
 			continue;
+		}
 		
 		if (isxdigit(line[indx])) {
 			buf[strlen(buf) + 1] = 0x00;
diff --git a/client/util.h b/client/util.h
index 8bab8cfd..e9c48b03 100644
--- a/client/util.h
+++ b/client/util.h
@@ -37,10 +37,13 @@ extern void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byte
 
 extern void print_hex(const uint8_t * data, const size_t len);
 extern char *sprint_hex(const uint8_t * data, const size_t len);
+extern char *sprint_hex_inrow(const uint8_t *data, const size_t len);
+extern char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
 extern char *sprint_bin(const uint8_t * data, const size_t len);
 extern char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
 extern char *sprint_hex_ascii(const uint8_t *data, const size_t len);
 extern char *sprint_ascii(const uint8_t *data, const size_t len);
+extern char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
 
 extern void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
 extern uint64_t bytes_to_num(uint8_t* src, size_t len);