X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/161c40fb528ca13e5f7337b2796cf22e2de64ce5..1f61f19767c7640a75f123a42dec732cf4e6c5aa:/client/emv/cmdemv.c?ds=sidebyside

diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c
index 541f505a..0e84260a 100644
--- a/client/emv/cmdemv.c
+++ b/client/emv/cmdemv.c
@@ -1,5 +1,5 @@
 //-----------------------------------------------------------------------------
-// Copyright (C) 2017 Merlok
+// Copyright (C) 2017, 2018 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
@@ -8,595 +8,684 @@
 // EMV commands
 //-----------------------------------------------------------------------------
 
-#include <ctype.h>
 #include "cmdemv.h"
+
+#include <ctype.h>
+#include <string.h>
+#include "proxmark3.h"
+#include "cmdparser.h"
+#include "ui.h"
+#include "util.h"
+#include "mifare.h"
+#include "emvjson.h"
+#include "emv_pki.h"
+#include "emvcore.h"
 #include "test/cryptotest.h"
-#include <jansson.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;
-}
+#include "cliparser/cliparser.h"
+#include "jansson.h"
+#include "emv_roca.h"
+#include "pcsc.h"
+#include "apduinfo.h"
+#include "dol.h"
+#include "emv_tags.h"
+#include "cmdhf14a.h"
+#include "cmdsmartcard.h"
 
-int CmdHFEMVSelect(const char *cmd) {
-	uint8_t data[APDU_AID_LEN] = {0};
-	int datalen = 0;
-	bool activateField = false;
-	bool leaveSignalON = false;
-	bool decodeTLV = false;
+#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) )
+void ParamLoadDefaults(struct tlvdb *tlvRoot) {
+	//9F02:(Amount, authorized (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");
+	// 9F6A Unpredictable Number (MSD for UDOL) len:4
+	TLV_ADD(0x9F6A, "\x01\x02\x03\x04");
+	//9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
+	TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC
+	//95:(Terminal Verification Results) len:5
+	// all OK TVR
+	TLV_ADD(0x95,   "\x00\x00\x00\x00\x00");
+}
 
-	if (strlen(cmd) < 1) {
-		UsageCmdHFEMVSelect();
-		return 0;
+void PrintChannel(EMVCommandChannel channel) {
+	switch(channel) {
+	case ECC_CONTACTLESS:
+		PrintAndLogEx(INFO, "Channel: CONTACTLESS");
+		break;
+	case ECC_CONTACT:
+		PrintAndLogEx(INFO, "Channel: CONTACT, using %s", getAlternativeSmartcardReader());
+		break;
 	}
-	
-	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((unsigned char)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;
-		}
+int CmdEMVSelect(const char *cmd) {
+	uint8_t data[APDU_DATA_LEN] = {0};
+	int datalen = 0;
 
+	CLIParserInit("emv select",
+		"Executes select applet command",
+		"Usage:\n\temv select -s a00000000101 -> select card, select applet\n\temv select -st a00000000101 -> select card, select applet, show result in TLV\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("sS",  "select",  "activate field and select card"),
+		arg_lit0("kK",  "keep",    "keep field for next command"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+		arg_lit0("tT",  "tlv",     "TLV decode results"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_strx0(NULL,  NULL,     "<HEX applet AID>", NULL),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool activateField = arg_get_lit(1);
+	bool leaveSignalON = arg_get_lit(2);
+	bool APDULogging = arg_get_lit(3);
+	bool decodeTLV = arg_get_lit(4);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(5))
+		channel = ECC_CONTACT;
+	PrintChannel(channel);
+	CLIGetHexWithReturn(6, data, &datalen);
+#else
+	CLIGetHexWithReturn(5, data, &datalen);
+#endif
+	CLIParserFree();
+
+	SetAPDULogging(APDULogging);
 
-		cmdp++;
-	}
-	
 	// exec
-	uint8_t buf[APDU_RES_LEN] = {0};
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
 	size_t len = 0;
 	uint16_t sw = 0;
-	int res = EMVSelect(activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
+	int res = EMVSelect(channel, activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
 
 	if (sw)
-		PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); 
-	
+		PrintAndLogEx(INFO, "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++;
-	}
+int CmdEMVSearch(const char *cmd) {
+
+	CLIParserInit("emv search",
+		"Tries to select all applets from applet list:\n",
+		"Usage:\n\temv search -s -> select card and search\n\temv search -st -> select card, search and show result in TLV\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("sS",  "select",  "activate field and select card"),
+		arg_lit0("kK",  "keep",    "keep field ON for next command"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+		arg_lit0("tT",  "tlv",     "TLV decode results of selected applets"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool activateField = arg_get_lit(1);
+	bool leaveSignalON = arg_get_lit(2);
+	bool APDULogging = arg_get_lit(3);
+	bool decodeTLV = arg_get_lit(4);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(5))
+		channel = ECC_CONTACT;
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	SetAPDULogging(APDULogging);
 
 	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)) {
+	if (EMVSearch(channel, activateField, leaveSignalON, decodeTLV, t)) {
 		tlvdb_free(t);
 		return 2;
 	}
-	
-	PrintAndLog("Search completed.");
+
+	PrintAndLogEx(SUCCESS, "Search completed.");
 
 	// print list here
-	if (!decodeTLV) {  
+	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) {
-	
+int CmdEMVPPSE(const char *cmd) {
+
+	CLIParserInit("emv pse",
+		"Executes PSE/PPSE select command. It returns list of applet on the card:\n",
+		"Usage:\n\temv pse -s1 -> select, get pse\n\temv pse -st2 -> select, get ppse, show result in TLV\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("sS",  "select",  "activate field and select card"),
+		arg_lit0("kK",  "keep",    "keep field ON for next command"),
+		arg_lit0("1",   "pse",     "pse (1PAY.SYS.DDF01) mode"),
+		arg_lit0("2",   "ppse",    "ppse (2PAY.SYS.DDF01) mode (default mode)"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+		arg_lit0("tT",  "tlv",     "TLV decode results of selected applets"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool activateField = arg_get_lit(1);
+	bool leaveSignalON = arg_get_lit(2);
 	uint8_t PSENum = 2;
-	bool activateField = false;
-	bool leaveSignalON = false;
-	bool decodeTLV = false;
-
-	if (strlen(cmd) < 1) {
-		UsageCmdHFEMVPPSE();
-		return 0;
-	}
+	if (arg_get_lit(3))
+		PSENum = 1;
+	if (arg_get_lit(4))
+		PSENum = 2;
+	bool APDULogging = arg_get_lit(5);
+	bool decodeTLV = arg_get_lit(6);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(7))
+		channel = ECC_CONTACT;
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	SetAPDULogging(APDULogging);
 
-	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};
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
 	size_t len = 0;
 	uint16_t sw = 0;
-	int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
-	
+	int res = EMVSelectPSE(channel, activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
+
 	if (sw)
-		PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); 
+		PrintAndLogEx(INFO, "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][-j][-f][-v][-c][-x][-g]\n");
-	PrintAndLog("  Options:");
-	PrintAndLog("  -s       : select card");
-	PrintAndLog("  -a       : show APDU reqests and responses\n");
-	PrintAndLog("  -t       : TLV decode results\n");
-	PrintAndLog("  -j       : load transaction parameters from `emv/defparams.json` file\n");
-	PrintAndLog("  -f       : force search AID. Search AID instead of execute PPSE.\n");
-	PrintAndLog("  -v       : transaction type - qVSDC or M/Chip.\n");
-	PrintAndLog("  -c       : transaction type - qVSDC or M/Chip plus CDA (SDAD generation).\n");
-	PrintAndLog("  -x       : transaction type - VSDC. For test only. Not a standart behavior.\n");
-	PrintAndLog("  -g       : VISA. generate AC from GPO\n");
-	PrintAndLog("By default : transaction type - MSD.\n");
-	PrintAndLog("Samples:");
-	PrintAndLog(" hf emv exec -s -a -t -> execute MSD transaction");
-	PrintAndLog(" hf emv exec -s -a -t -c -> execute CDA transaction");
-	return 0;
-}
+int CmdEMVGPO(const char *cmd) {
+	uint8_t data[APDU_RESPONSE_LEN] = {0};
+	int datalen = 0;
 
-#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) )
-#define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;}
+	CLIParserInit("emv gpo",
+		"Executes Get Processing Options command. It returns data in TLV format (0x77 - format2) or plain format (0x80 - format1).\nNeeds a EMV applet to be selected.",
+		"Usage:\n\temv gpo -k -> execute GPO\n"
+			"\temv gpo -t 01020304 -> execute GPO with 4-byte PDOL data, show result in TLV\n"
+			"\temv gpo -pmt 9F 37 04 -> load params from file, make PDOL data from PDOL, execute GPO with PDOL, show result in TLV\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("kK",  "keep",    "keep field ON for next command"),
+		arg_lit0("pP",  "params",  "load parameters from `emv/defparams.json` file for PDOLdata making from PDOL and parameters"),
+		arg_lit0("mM",  "make",    "make PDOLdata from PDOL (tag 9F38) and parameters (by default uses default parameters)"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+		arg_lit0("tT",  "tlv",     "TLV decode results of selected applets"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_strx0(NULL,  NULL,     "<HEX PDOLdata/PDOL>", NULL),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool leaveSignalON = arg_get_lit(1);
+	bool paramsLoadFromFile = arg_get_lit(2);
+	bool dataMakeFromPDOL = arg_get_lit(3);
+	bool APDULogging = arg_get_lit(4);
+	bool decodeTLV = arg_get_lit(5);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(6))
+		channel = ECC_CONTACT;
+	CLIGetHexWithReturn(7, data, &datalen);
+#else
+	CLIGetHexWithReturn(6, data, &datalen);
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	SetAPDULogging(APDULogging);
 
-bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, size_t maxbufferlen, size_t *bufferlen) {
-	int buflen = 0;	
-	
-	switch(param_gethex_to_eol(hexvalue, 0, buffer, maxbufferlen, &buflen)) {
-	case 1:
-		PrintAndLog("%s Invalid HEX value.", errormsg);
-		return false;
-	case 2:
-		PrintAndLog("%s Hex value too large.", errormsg);
-		return false;
-	case 3:
-		PrintAndLog("%s Hex value must have even number of digits.", errormsg);
-		return false;
+	// Init TLV tree
+	const char *alr = "Root terminal TLV tree";
+	struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+
+	// calc PDOL
+	struct tlv *pdol_data_tlv = NULL;
+	struct tlv data_tlv = {
+		.tag = 0x83,
+		.len = datalen,
+		.value = (uint8_t *)data,
+	};
+	if (dataMakeFromPDOL) {
+		ParamLoadDefaults(tlvRoot);
+
+		if (paramsLoadFromFile) {
+			PrintAndLogEx(INFO, "Params loading from file...");
+			ParamLoadFromJson(tlvRoot);
+		};
+
+		pdol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x9f38, datalen, data), tlvRoot, 0x83);
+		if (!pdol_data_tlv){
+			PrintAndLogEx(ERR, "Can't create PDOL TLV.");
+			tlvdb_free(tlvRoot);
+			return 4;
+		}
+	} else {
+		if (paramsLoadFromFile) {
+			PrintAndLogEx(WARNING, "Don't need to load parameters. Sending plain PDOL data...");
+		}
+		pdol_data_tlv = &data_tlv;
 	}
-	
-	if (buflen > maxbufferlen) {
-		PrintAndLog("%s HEX length (%d) more than %d", errormsg, *bufferlen, maxbufferlen);
-		return false;
+
+	size_t pdol_data_tlv_data_len = 0;
+	unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len);
+	if (!pdol_data_tlv_data) {
+		PrintAndLogEx(ERR, "Can't create PDOL data.");
+		tlvdb_free(tlvRoot);
+		return 4;
 	}
-	
-	*bufferlen = buflen;
-	
-	return true;
+	PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
+
+	// exec
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res = EMVGPO(channel, leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+	if (pdol_data_tlv != &data_tlv)
+		free(pdol_data_tlv);
+	tlvdb_free(tlvRoot);
+
+	if (sw)
+		PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+
+	if (res)
+		return res;
+
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+
+	return 0;
 }
 
-bool ParamLoadFromJson(struct tlvdb *tlv) {
-	json_t *root;
-	json_error_t error;
+int CmdEMVReadRecord(const char *cmd) {
+	uint8_t data[APDU_RESPONSE_LEN] = {0};
+	int datalen = 0;
 
-	if (!tlv) {
-		PrintAndLog("ERROR load params: tlv tree is NULL.");
-		return false; 
+	CLIParserInit("emv readrec",
+		"Executes Read Record command. It returns data in TLV format.\nNeeds a bank applet to be selected and sometimes needs GPO to be executed.",
+		"Usage:\n\temv readrec -k 0101 -> read file SFI=01, SFIrec=01\n\temv readrec -kt 0201-> read file 0201 and show result in TLV\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("kK",  "keep",    "keep field ON for next command"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+		arg_lit0("tT",  "tlv",     "TLV decode results of selected applets"),
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+		arg_strx1(NULL,  NULL,     "<SFI 1byte HEX><SFIrecord 1byte HEX>", NULL),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool leaveSignalON = arg_get_lit(1);
+	bool APDULogging = arg_get_lit(2);
+	bool decodeTLV = arg_get_lit(3);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(4))
+		channel = ECC_CONTACT;
+	CLIGetHexWithReturn(5, data, &datalen);
+#else
+	CLIGetHexWithReturn(4, data, &datalen);
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	if (datalen != 2) {
+		PrintAndLogEx(ERR, "Command needs to have 2 bytes of data");
+		return 1;
 	}
 
-	// current path + file name
-	const char *relfname = "emv/defparams.json"; 
-	char fname[strlen(get_my_executable_directory()) + strlen(relfname) + 1];
-	strcpy(fname, get_my_executable_directory());
-	strcat(fname, relfname);
+	SetAPDULogging(APDULogging);
 
-	root = json_load_file(fname, 0, &error);
-	if (!root) {
-		PrintAndLog("Load params: json error on line %d: %s", error.line, error.text);
-		return false; 
-	}
-	
-	if (!json_is_array(root)) {
-		PrintAndLog("Load params: Invalid json format. root must be array.");
-		return false; 
-	}
-	
-	PrintAndLog("Load params: json OK");
-	
-	for(int i = 0; i < json_array_size(root); i++) {
-		json_t *data, *jtype, *jlength, *jvalue;
-
-		data = json_array_get(root, i);
-		if(!json_is_object(data))
-		{
-			PrintAndLog("Load params: data [%d] is not an object", i + 1);
-			json_decref(root);
-			return false;
-		}
-		
-		jtype = json_object_get(data, "type");
-		if(!json_is_string(jtype))
-		{
-			PrintAndLog("Load params: data [%d] type is not a string", i + 1);
-			json_decref(root);
-			return false;
-		}
-		const char *tlvType = json_string_value(jtype);
-
-		jvalue = json_object_get(data, "value");
-		if(!json_is_string(jvalue))
-		{
-			PrintAndLog("Load params: data [%d] value is not a string", i + 1);
-			json_decref(root);
-			return false;
-		}
-		const char *tlvValue = json_string_value(jvalue);
-
-		jlength = json_object_get(data, "length");
-		if(!json_is_number(jlength))
-		{
-			PrintAndLog("Load params: data [%d] length is not a number", i + 1);
-			json_decref(root);
-			return false;
-		}
-		
-		int tlvLength = json_integer_value(jlength);
-		if (tlvLength > 250) {
-			PrintAndLog("Load params: data [%d] length more than 250", i + 1);
-			json_decref(root);
-			return false;
-		}
-		
-		PrintAndLog("TLV param: %s[%d]=%s", tlvType, tlvLength, tlvValue);
-		uint8_t buf[251] = {0};
-		size_t buflen = 0;
-		
-		// here max length must be 4, but now tlv_tag_t is 2-byte var. so let it be 2 by now...  TODO: needs refactoring tlv_tag_t...
-		if (!HexToBuffer("TLV Error type:", tlvType, buf, 2, &buflen)) { 
-			json_decref(root);
-			return false;
+	// exec
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res = EMVReadRecord(channel, leaveSignalON, data[0], data[1], buf, sizeof(buf), &len, &sw, NULL);
+
+	if (sw)
+		PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+
+	if (res)
+		return res;
+
+
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+
+	return 0;
+}
+
+int CmdEMVAC(const char *cmd) {
+	uint8_t data[APDU_RESPONSE_LEN] = {0};
+	int datalen = 0;
+
+	CLIParserInit("emv genac",
+		"Generate Application Cryptogram command. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.",
+		"Usage:\n\temv genac -k 0102 -> generate AC with 2-byte CDOLdata and keep field ON after command\n"
+			"\temv genac -t 01020304 -> generate AC with 4-byte CDOL data, show result in TLV\n"
+			"\temv genac -Daac 01020304 -> generate AC with 4-byte CDOL data and terminal decision 'declined'\n"
+			"\temv genac -pmt 9F 37 04 -> load params from file, make CDOL data from CDOL, generate AC with CDOL, show result in TLV");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("kK",  "keep",     "keep field ON for next command"),
+		arg_lit0("cC",  "cda",      "executes CDA transaction. Needs to get SDAD in results."),
+		arg_str0("dD",  "decision", "<aac|tc|arqc>", "Terminal decision. aac - declined, tc - approved, arqc - online authorisation requested"),
+		arg_lit0("pP",  "params",   "load parameters from `emv/defparams.json` file for CDOLdata making from CDOL and parameters"),
+		arg_lit0("mM",  "make",     "make CDOLdata from CDOL (tag 8C and 8D) and parameters (by default uses default parameters)"),
+		arg_lit0("aA",  "apdu",     "show APDU reqests and responses"),
+		arg_lit0("tT",  "tlv",      "TLV decode results of selected applets"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_strx1(NULL,  NULL,      "<HEX CDOLdata/CDOL>", NULL),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, false);
+
+	bool leaveSignalON = arg_get_lit(1);
+	bool trTypeCDA = arg_get_lit(2);
+	uint8_t termDecision = 0xff;
+	if (arg_get_str_len(3)) {
+		if (!strncmp(arg_get_str(3)->sval[0], "aac", 4))
+			termDecision = EMVAC_AAC;
+		if (!strncmp(arg_get_str(3)->sval[0], "tc", 4))
+			termDecision = EMVAC_TC;
+		if (!strncmp(arg_get_str(3)->sval[0], "arqc", 4))
+			termDecision = EMVAC_ARQC;
+
+		if (termDecision == 0xff) {
+			PrintAndLog("ERROR: can't find terminal decision '%s'", arg_get_str(3)->sval[0]);
+			return 1;
 		}
-		tlv_tag_t tag = 0;
-		for (int i = 0; i < buflen; i++) {
-			tag = (tag << 8) + buf[i];
-		}	
-		
-		if (!HexToBuffer("TLV Error value:", tlvValue, buf, sizeof(buf) - 1, &buflen)) {
-			json_decref(root);
-			return false;
+	} else {
+		termDecision = EMVAC_TC;
+	}
+	if (trTypeCDA)
+		termDecision = termDecision | EMVAC_CDAREQ;
+	bool paramsLoadFromFile = arg_get_lit(4);
+	bool dataMakeFromCDOL = arg_get_lit(5);
+	bool APDULogging = arg_get_lit(6);
+	bool decodeTLV = arg_get_lit(7);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(8))
+		channel = ECC_CONTACT;
+	CLIGetHexWithReturn(9, data, &datalen);
+#else
+	CLIGetHexWithReturn(8, data, &datalen);
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	SetAPDULogging(APDULogging);
+
+	// Init TLV tree
+	const char *alr = "Root terminal TLV tree";
+	struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+
+	// calc CDOL
+	struct tlv *cdol_data_tlv = NULL;
+	struct tlv data_tlv = {
+		.tag = 0x01,
+		.len = datalen,
+		.value = (uint8_t *)data,
+	};
+
+	if (dataMakeFromCDOL) {
+		ParamLoadDefaults(tlvRoot);
+
+		if (paramsLoadFromFile) {
+			PrintAndLogEx(INFO, "Params loading from file...");
+			ParamLoadFromJson(tlvRoot);
+		};
+
+		cdol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x8c, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag
+		if (!cdol_data_tlv){
+			PrintAndLogEx(ERR, "Can't create CDOL TLV.");
+			tlvdb_free(tlvRoot);
+			return 4;
 		}
-		
-		if (buflen != tlvLength) {
-			PrintAndLog("Load params: data [%d] length of HEX must(%d) be identical to length in TLV param(%d)", i + 1, buflen, tlvLength);
-			json_decref(root);
-			return false;
+	} else {
+		if (paramsLoadFromFile) {
+			PrintAndLogEx(WARNING, "Don't need to load parameters. Sending plain CDOL data...");
 		}
-		
-		tlvdb_change_or_add_node(tlv, tag, tlvLength, (const unsigned char *)buf);		
+		cdol_data_tlv = &data_tlv;
 	}
 
-	json_decref(root);
+	PrintAndLogEx(INFO, "CDOL data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
 
-	return true;
-}
+	// exec
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res = EMVAC(channel, leaveSignalON, termDecision, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
 
-void ParamLoadDefaults(struct tlvdb *tlvRoot) {
-	//9F02:(Amount, authorized (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");
-	// 9F6A Unpredictable Number (MSD for UDOL) len:4
-	TLV_ADD(0x9F6A, "\x01\x02\x03\x04");
-	//9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
-	TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC
+	if (cdol_data_tlv != &data_tlv)
+		free(cdol_data_tlv);
+	tlvdb_free(tlvRoot);
+
+	if (sw)
+		PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+
+	if (res)
+		return res;
+
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+
+	return 0;
 }
 
-int CmdHFEMVExec(const char *cmd) {
-	bool activateField = false;
-	bool showAPDU = false;
-	bool decodeTLV = false;
-	bool forceSearch = false;
-	enum TransactionType TrType = TT_MSD;
-	bool GenACGPO = false;
-	bool paramLoadJSON = false;
+int CmdEMVGenerateChallenge(const char *cmd) {
+
+	CLIParserInit("emv challenge",
+		"Executes Generate Challenge command. It returns 4 or 8-byte random number from card.\nNeeds a EMV applet to be selected and GPO to be executed.",
+		"Usage:\n\temv challenge -> get challenge\n\temv challenge -k -> get challenge, keep fileld ON\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("kK",  "keep",    "keep field ON for next command"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool leaveSignalON = arg_get_lit(1);
+	bool APDULogging = arg_get_lit(2);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(3))
+		channel = ECC_CONTACT;
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	SetAPDULogging(APDULogging);
 
-	uint8_t buf[APDU_RES_LEN] = {0};
+	// exec
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
 	size_t len = 0;
 	uint16_t sw = 0;
-	uint8_t AID[APDU_AID_LEN] = {0};
-	size_t AIDlen = 0;
-	uint8_t ODAiList[4096];
-	size_t ODAiListLen = 0;
-	
-	int res;
-	
-	struct tlvdb *tlvSelect = NULL;
-	struct tlvdb *tlvRoot = NULL;
-	struct tlv *pdol_data_tlv = NULL;
+	int res = EMVGenerateChallenge(channel, leaveSignalON, buf, sizeof(buf), &len, &sw, NULL);
 
-	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':
-					UsageCmdHFEMVExec();
-					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;
-				case 'x':
-				case 'X':
-					TrType = TT_VSDC;
-					break;
-				case 'v':
-				case 'V':
-					TrType = TT_QVSDCMCHIP;
-					break;
-				case 'c':
-				case 'C':
-					TrType = TT_CDA;
-					break;
-				case 'g':
-				case 'G':
-					GenACGPO = true;
-					break;
-				case 'j':
-				case 'J':
-					paramLoadJSON = true;
-					break;
-				default:
-					PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
-					return 1;
-		}
-		cmdp++;
-	}
+	if (sw)
+		PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
 
-	
-	// init applets list tree
-	const char *al = "Applets list";
-	tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+	if (res)
+		return res;
 
-	// 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);
+	PrintAndLogEx(SUCCESS, "Challenge: %s", sprint_hex(buf, len));
 
-		// 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)) {
-			dreturn(2);
-		}
+	if (len != 4 && len != 8)
+		PrintAndLogEx(WARNING, "Length of challenge must be 4 or 8, but it %d", len);
+
+	return 0;
+}
+
+int CmdEMVInternalAuthenticate(const char *cmd) {
+	uint8_t data[APDU_RESPONSE_LEN] = {0};
+	int datalen = 0;
+
+	CLIParserInit("emv intauth",
+		"Generate Internal Authenticate command. Usually needs 4-byte random number. It returns data in TLV format .\n"
+		"Needs a EMV applet to be selected and GPO to be executed.",
+
+		"Usage:\n"
+		"\temv intauth -k 01020304 -> execute Internal Authenticate with 4-byte DDOLdata and keep field ON after command\n"
+			"\temv intauth -t 01020304 -> execute Internal Authenticate with 4-byte DDOL data, show result in TLV\n"
+			"\temv intauth -pmt 9F 37 04 -> load params from file, make DDOL data from DDOL, Internal Authenticate with DDOL, show result in TLV");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("kK",  "keep",    "keep field ON for next command"),
+		arg_lit0("pP",  "params",  "load parameters from `emv/defparams.json` file for DDOLdata making from DDOL and parameters"),
+		arg_lit0("mM",  "make",    "make DDOLdata from DDOL (tag 9F49) and parameters (by default uses default parameters)"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+		arg_lit0("tT",  "tlv",     "TLV decode results of selected applets"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_strx1(NULL,  NULL,     "<HEX DDOLdata/DDOL>", NULL),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, false);
+
+	bool leaveSignalON = arg_get_lit(1);
+	bool paramsLoadFromFile = arg_get_lit(2);
+	bool dataMakeFromDDOL = arg_get_lit(3);
+	bool APDULogging = arg_get_lit(4);
+	bool decodeTLV = arg_get_lit(5);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(6))
+		channel = ECC_CONTACT;
+	CLIGetHexWithReturn(7, data, &datalen);
+#else
+	CLIGetHexWithReturn(6, data, &datalen);
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	SetAPDULogging(APDULogging);
 
-		// check search and select application id
-		TLVPrintAIDlistFromSelectTLV(tlvSelect);
-		EMVSelectApplication(tlvSelect, AID, &AIDlen);
-	}
-	
 	// Init TLV tree
 	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");
-		dreturn(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);
-		dreturn(3);
+	struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+
+	// calc DDOL
+	struct tlv *ddol_data_tlv = NULL;
+	struct tlv data_tlv = {
+		.tag = 0x01,
+		.len = datalen,
+		.value = (uint8_t *)data,
+	};
+
+	if (dataMakeFromDDOL) {
+		ParamLoadDefaults(tlvRoot);
+
+		if (paramsLoadFromFile) {
+			PrintAndLogEx(INFO, "Params loading from file...");
+			ParamLoadFromJson(tlvRoot);
+		};
+
+		ddol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x9f49, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag
+		if (!ddol_data_tlv){
+			PrintAndLogEx(ERR, "Can't create DDOL TLV.");
+			tlvdb_free(tlvRoot);
+			return 4;
+		}
+	} else {
+		if (paramsLoadFromFile) {
+			PrintAndLogEx(WARNING, "Don't need to load parameters. Sending plain DDOL data...");
+		}
+		ddol_data_tlv = &data_tlv;
 	}
-	
-	if (decodeTLV)
-		TLVPrintFromBuffer(buf, len);
-	PrintAndLog("* Selected.");
-	
-	PrintAndLog("\n* Init transaction parameters.");
 
-	ParamLoadDefaults(tlvRoot);
+	PrintAndLogEx(INFO, "DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len));
 
-	if (paramLoadJSON) {
-		PrintAndLog("* * Transaction parameters loading from JSON...");
+	// exec
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res = EMVInternalAuthenticate(channel, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
+
+	if (ddol_data_tlv != &data_tlv)
+		free(ddol_data_tlv);
+	tlvdb_free(tlvRoot);
+
+	if (sw)
+		PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+
+	if (res)
+		return res;
+
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+
+	return 0;
+}
+
+#define dreturn(n) {free(pdol_data_tlv); tlvdb_free(tlvSelect); tlvdb_free(tlvRoot); DropFieldEx( channel ); return n;}
+
+void InitTransactionParameters(struct tlvdb *tlvRoot, bool paramLoadJSON, enum TransactionType TrType, bool GenACGPO) {
+
+	ParamLoadDefaults(tlvRoot);
+
+	if (paramLoadJSON) {
+		PrintAndLog("* * Transaction parameters loading from JSON...");
 		ParamLoadFromJson(tlvRoot);
 	}
-	
+
 	//9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
 	char *qVSDC = "\x26\x00\x00\x00";
 	if (GenACGPO) {
@@ -607,7 +696,7 @@ int CmdHFEMVExec(const char *cmd) {
 			TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD
 			break;
 		// not standard for contactless. just for test.
-		case TT_VSDC:  
+		case TT_VSDC:
 			TLV_ADD(0x9F66, "\x46\x00\x00\x00"); // VSDC
 			break;
 		case TT_QVSDCMCHIP:
@@ -619,50 +708,23 @@ int CmdHFEMVExec(const char *cmd) {
 		default:
 			break;
 	}
-	
-	TLVPrintFromTLV(tlvRoot); // TODO delete!!!
-	
-	PrintAndLog("\n* Calc PDOL.");
-	pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
-	if (!pdol_data_tlv){
-		PrintAndLog("ERROR: can't create PDOL TLV.");
-		dreturn(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.");
-		dreturn(4);
-	}
-	PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
-
-	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_data);
-	//free(pdol_data_tlv); --- free on exit.
-	
-	if (res) {	
-		PrintAndLog("GPO error(%d): %4x. Exit...", res, sw);
-		dreturn(5);
-	}
+}
 
-	// process response template format 1 [id:80  2b AIP + x4b AFL] and format 2 [id:77 TLV]
+void ProcessGPOResponseFormat1(struct tlvdb *tlvRoot, uint8_t *buf, size_t len, bool decodeTLV) {
 	if (buf[0] == 0x80) {
 		if (decodeTLV){
 			PrintAndLog("GPO response format1:");
 			TLVPrintFromBuffer(buf, len);
 		}
-		
+
 		if (len < 4 || (len - 4) % 4) {
-			PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len);
+			PrintAndLogEx(ERR, "GPO response format1 parsing error. length=%d", len);
 		} else {
 			// AIP
 			struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2);
 			tlvdb_add(tlvRoot, f1AIP);
 			if (decodeTLV){
-				PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:");
+				PrintAndLogEx(INFO, "\n* * Decode response format 1 (0x80) AIP and AFL:");
 				TLVPrintFromTLV(f1AIP);
 			}
 
@@ -671,37 +733,237 @@ int CmdHFEMVExec(const char *cmd) {
 			tlvdb_add(tlvRoot, f1AFL);
 			if (decodeTLV)
 				TLVPrintFromTLV(f1AFL);
-		}		
+		}
 	} else {
 		if (decodeTLV)
 			TLVPrintFromBuffer(buf, len);
 	}
-	
+}
+
+void ProcessACResponseFormat1(struct tlvdb *tlvRoot, uint8_t *buf, size_t len, bool decodeTLV) {
+	if (buf[0] == 0x80) {
+		if (decodeTLV){
+			PrintAndLog("GPO response format1:");
+			TLVPrintFromBuffer(buf, len);
+		}
+
+		uint8_t elmlen = len - 2; // wo 0x80XX
+
+		if (len < 4 + 2 || (elmlen - 2) % 4 || elmlen != buf[1]) {
+			PrintAndLogEx(ERR, "GPO response format1 parsing error. length=%d", len);
+		} else {
+			struct tlvdb *tlvElm = NULL;
+			if (decodeTLV)
+				PrintAndLog("\n------------ Format1 decoded ------------");
+
+			// CID (Cryptogram Information Data)
+			tlvdb_change_or_add_node_ex(tlvRoot, 0x9f27, 1, &buf[2], &tlvElm);
+			if (decodeTLV)
+				TLVPrintFromTLV(tlvElm);
+
+			// ATC (Application Transaction Counter)
+			tlvdb_change_or_add_node_ex(tlvRoot, 0x9f36, 2, &buf[3], &tlvElm);
+			if (decodeTLV)
+				TLVPrintFromTLV(tlvElm);
+
+			// AC (Application Cryptogram)
+			tlvdb_change_or_add_node_ex(tlvRoot, 0x9f26, MIN(8, elmlen - 3), &buf[5], &tlvElm);
+			if (decodeTLV)
+				TLVPrintFromTLV(tlvElm);
+
+			// IAD (Issuer Application Data) - optional
+			if (len > 11 + 2) {
+				tlvdb_change_or_add_node_ex(tlvRoot, 0x9f10, elmlen - 11, &buf[13], &tlvElm);
+				if (decodeTLV)
+					TLVPrintFromTLV(tlvElm);
+			}
+		}
+	} else {
+		if (decodeTLV)
+			TLVPrintFromBuffer(buf, len);
+	}
+}
+
+int CmdEMVExec(const char *cmd) {
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	uint8_t AID[APDU_DATA_LEN] = {0};
+	size_t AIDlen = 0;
+	uint8_t ODAiList[4096];
+	size_t ODAiListLen = 0;
+
+	int res;
+
+	struct tlvdb *tlvSelect = NULL;
+	struct tlvdb *tlvRoot = NULL;
+	struct tlv *pdol_data_tlv = NULL;
+
+	CLIParserInit("emv exec",
+		"Executes EMV contactless transaction",
+		"Usage:\n"
+			"\temv exec -sat -> select card, execute MSD transaction, show APDU and TLV\n"
+			"\temv exec -satc -> select card, execute CDA transaction, show APDU and TLV\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("sS",  "select",   "activate field and select card."),
+		arg_lit0("aA",  "apdu",     "show APDU reqests and responses."),
+		arg_lit0("tT",  "tlv",      "TLV decode results."),
+		arg_lit0("jJ",  "jload",    "Load transaction parameters from `emv/defparams.json` file."),
+		arg_lit0("fF",  "forceaid", "Force search AID. Search AID instead of execute PPSE."),
+		arg_rem("By default:",      "Transaction type - MSD"),
+		arg_lit0("vV",  "qvsdc",    "Transaction type - qVSDC or M/Chip."),
+		arg_lit0("cC",  "qvsdccda", "Transaction type - qVSDC or M/Chip plus CDA (SDAD generation)."),
+		arg_lit0("xX",  "vsdc",     "Transaction type - VSDC. For test only. Not a standart behavior."),
+		arg_lit0("gG",  "acgpo",    "VISA. generate AC from GPO."),
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool activateField = arg_get_lit(1);
+	bool showAPDU = arg_get_lit(2);
+	bool decodeTLV = arg_get_lit(3);
+	bool paramLoadJSON = arg_get_lit(4);
+	bool forceSearch = arg_get_lit(5);
+
+	enum TransactionType TrType = TT_MSD;
+	if (arg_get_lit(7))
+		TrType = TT_QVSDCMCHIP;
+	if (arg_get_lit(8))
+		TrType = TT_CDA;
+	if (arg_get_lit(9))
+		TrType = TT_VSDC;
+
+	bool GenACGPO = arg_get_lit(10);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(11))
+		channel = ECC_CONTACT;
+#endif
+	PrintChannel(channel);
+	uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
+	char *PSE_or_PPSE = psenum == 1 ? "PSE" : "PPSE";
+
+	CLIParserFree();
+
+	SetAPDULogging(showAPDU);
+
+	// init applets list tree
+	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 / PSE
+		PrintAndLogEx(NORMAL, "\n* %s.", PSE_or_PPSE);
+		SetAPDULogging(showAPDU);
+		res = EMVSearchPSE(channel, activateField, true, psenum, decodeTLV, tlvSelect);
+
+		// check PPSE / PSE and select application id
+		if (!res) {
+			TLVPrintAIDlistFromSelectTLV(tlvSelect);
+			EMVSelectApplication(tlvSelect, AID, &AIDlen);
+		}
+	}
+
+	// Search
+	if (!AIDlen) {
+		PrintAndLogEx(NORMAL, "\n* Search AID in list.");
+		SetAPDULogging(false);
+		if (EMVSearch(channel, activateField, true, decodeTLV, tlvSelect)) {
+			dreturn(2);
+		}
+
+		// check search and select application id
+		TLVPrintAIDlistFromSelectTLV(tlvSelect);
+		EMVSelectApplication(tlvSelect, AID, &AIDlen);
+	}
+
+	// Init TLV tree
+	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) {
+		PrintAndLogEx(WARNING, "Can't select AID. EMV AID not found");
+		dreturn(2);
+	}
+
+	// Select
+	PrintAndLogEx(NORMAL, "\n* Selecting AID:%s", sprint_hex_inrow(AID, AIDlen));
+	SetAPDULogging(showAPDU);
+	res = EMVSelect(channel, false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+	if (res) {
+		PrintAndLogEx(WARNING, "Can't select AID (%d). Exit...", res);
+		dreturn(3);
+	}
+
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+	PrintAndLogEx(INFO, "* Selected.");
+
+	PrintAndLogEx(INFO, "\n* Init transaction parameters.");
+	InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO);
+	TLVPrintFromTLV(tlvRoot); // TODO delete!!!
+
+	PrintAndLogEx(NORMAL, "\n* Calc PDOL.");
+	pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
+	if (!pdol_data_tlv){
+		PrintAndLogEx(WARNING, "Error: can't create PDOL TLV.");
+		dreturn(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) {
+		PrintAndLogEx(WARNING, "Error: can't create PDOL data.");
+		dreturn(4);
+	}
+	PrintAndLogEx(NORMAL, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
+
+	PrintAndLogEx(NORMAL, "\n* GPO.");
+	res = EMVGPO(channel, true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+	free(pdol_data_tlv_data);
+	//free(pdol_data_tlv); --- free on exit.
+
+	if (res) {
+		PrintAndLogEx(NORMAL, "GPO error(%d): %4x. Exit...", res, sw);
+		dreturn(5);
+	}
+
+	// process response template format 1 [id:80  2b AIP + x4b AFL] and format 2 [id:77 TLV]
+	ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV);
+
 	// extract PAN from track2
 	{
 		const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
 		if (!tlvdb_get(tlvRoot, 0x5a, NULL) && track2 && track2->len >= 8) {
 			struct tlvdb *pan = GetPANFromTrack2(track2);
 			if (pan) {
-				tlvdb_add(tlvRoot, pan); 
-				
-				const struct tlv *pantlv = tlvdb_get(tlvRoot, 0x5a, NULL);	
-				PrintAndLog("\n* * Extracted PAN from track2: %s", sprint_hex(pantlv->value, pantlv->len));
+				tlvdb_add(tlvRoot, pan);
+
+				const struct tlv *pantlv = tlvdb_get(tlvRoot, 0x5a, NULL);
+				PrintAndLogEx(NORMAL, "\n* * Extracted PAN from track2: %s", sprint_hex(pantlv->value, pantlv->len));
 			} else {
-				PrintAndLog("\n* * WARNING: Can't extract PAN from track2.");
+				PrintAndLogEx(NORMAL, "\n* * WARNING: Can't extract PAN from track2.");
 			}
 		}
 	}
-	
-	PrintAndLog("\n* Read records from AFL.");
+
+	PrintAndLogEx(NORMAL, "\n* Read records from AFL.");
 	const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
 	if (!AFL || !AFL->len) {
-		PrintAndLog("WARNING: AFL not found.");
+		PrintAndLogEx(WARNING, "AFL not found.");
 	}
-	
+
 	while(AFL && AFL->len) {
 		if (AFL->len % 4) {
-			PrintAndLog("ERROR: Wrong AFL length: %d", AFL->len);
+			PrintAndLogEx(WARNING, "Error: Wrong AFL length: %d", AFL->len);
 			break;
 		}
 
@@ -710,30 +972,30 @@ int CmdHFEMVExec(const char *cmd) {
 			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);
+
+			PrintAndLogEx(NORMAL, "* * SFI[%02x] start:%02x end:%02x offline count:%02x", SFI, SFIstart, SFIend, SFIoffline);
 			if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
-				PrintAndLog("SFI ERROR! Skipped...");
+				PrintAndLogEx(NORMAL, "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);
+				PrintAndLogEx(NORMAL, "* * * SFI[%02x] %d", SFI, n);
+
+				res = EMVReadRecord(channel, true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
 				if (res) {
-					PrintAndLog("ERROR SFI[%02x]. APDU error %4x", SFI, sw);
+					PrintAndLogEx(WARNING, "Error SFI[%02x]. APDU error %4x", SFI, sw);
 					continue;
 				}
-				
+
 				if (decodeTLV) {
 					TLVPrintFromBuffer(buf, len);
-					PrintAndLog("");
+					PrintAndLogEx(NORMAL, "");
 				}
-				
+
 				// Build Input list for Offline Data Authentication
 				// EMV 4.3 book3 10.3, page 96
-				if (SFIoffline) {
+				if (SFIoffline > 0) {
 					if (SFI < 11) {
 						const unsigned char *abuf = buf;
 						size_t elmlen = len;
@@ -742,185 +1004,192 @@ int CmdHFEMVExec(const char *cmd) {
 							memcpy(&ODAiList[ODAiListLen], &buf[len - elmlen], elmlen);
 							ODAiListLen += elmlen;
 						} else {
-							PrintAndLog("ERROR SFI[%02x]. Creating input list for Offline Data Authentication error.", SFI);
+							PrintAndLogEx(WARNING, "Error SFI[%02x]. Creating input list for Offline Data Authentication error.", SFI);
 						}
 					} else {
 						memcpy(&ODAiList[ODAiListLen], buf, len);
 						ODAiListLen += len;
 					}
+
+					SFIoffline--;
 				}
 			}
 		}
-		
+
 		break;
-	}	
-	
+	}
+
 	// copy Input list for Offline Data Authentication
 	if (ODAiListLen) {
 		struct tlvdb *oda = tlvdb_fixed(0x21, ODAiListLen, ODAiList); // not a standard tag
-		tlvdb_add(tlvRoot, oda); 
-		PrintAndLog("* Input list for Offline Data Authentication added to TLV. len=%d \n", ODAiListLen);
+		tlvdb_add(tlvRoot, oda);
+		PrintAndLogEx(NORMAL, "* Input list for Offline Data Authentication added to TLV. len=%d \n", ODAiListLen);
 	}
-	
+
 	// get AIP
-	const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL);	
-	uint16_t AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100;
-	PrintAndLog("* * AIP=%04x", AIP);
+	uint16_t AIP = 0;
+	const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL);
+	if (AIPtlv) {
+		AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100;
+		PrintAndLogEx(NORMAL, "* * AIP=%04x", AIP);
+	} else {
+		PrintAndLogEx(ERR, "Can't found AIP.");
+	}
 
 	// SDA
 	if (AIP & 0x0040) {
-		PrintAndLog("\n* SDA");
+		PrintAndLogEx(NORMAL, "\n* SDA");
 		trSDA(tlvRoot);
 	}
 
 	// DDA
 	if (AIP & 0x0020) {
-		PrintAndLog("\n* DDA");
-		trDDA(decodeTLV, tlvRoot);
-	}	
-	
+		PrintAndLogEx(NORMAL, "\n* DDA");
+		trDDA(channel, decodeTLV, tlvRoot);
+	}
+
 	// transaction check
-	
+
 	// qVSDC
 	if (TrType == TT_QVSDCMCHIP|| TrType == TT_CDA){
 		// 9F26: Application Cryptogram
 		const struct tlv *AC = tlvdb_get(tlvRoot, 0x9F26, NULL);
 		if (AC) {
-			PrintAndLog("\n--> qVSDC transaction.");
-			PrintAndLog("* AC path");
-			
+			PrintAndLogEx(NORMAL, "\n--> qVSDC transaction.");
+			PrintAndLogEx(NORMAL, "* AC path");
+
 			// 9F36: Application Transaction Counter (ATC)
 			const struct tlv *ATC = tlvdb_get(tlvRoot, 0x9F36, NULL);
 			if (ATC) {
-			
+
 				// 9F10: Issuer Application Data - optional
 				const struct tlv *IAD = tlvdb_get(tlvRoot, 0x9F10, NULL);
 
 				// print AC data
-				PrintAndLog("ATC: %s", sprint_hex(ATC->value, ATC->len));
-				PrintAndLog("AC: %s", sprint_hex(AC->value, AC->len));
+				PrintAndLogEx(NORMAL, "ATC: %s", sprint_hex(ATC->value, ATC->len));
+				PrintAndLogEx(NORMAL, "AC: %s", sprint_hex(AC->value, AC->len));
 				if (IAD){
-					PrintAndLog("IAD: %s", sprint_hex(IAD->value, IAD->len));
-					
+					PrintAndLogEx(NORMAL, "IAD: %s", sprint_hex(IAD->value, IAD->len));
+
 					if (IAD->len >= IAD->value[0] + 1) {
-						PrintAndLog("\tKey index:  0x%02x", IAD->value[1]);
-						PrintAndLog("\tCrypto ver: 0x%02x(%03d)", IAD->value[2], IAD->value[2]);
-						PrintAndLog("\tCVR:", sprint_hex(&IAD->value[3], IAD->value[0] - 2));
+						PrintAndLogEx(NORMAL, "\tKey index:  0x%02x", IAD->value[1]);
+						PrintAndLogEx(NORMAL, "\tCrypto ver: 0x%02x(%03d)", IAD->value[2], IAD->value[2]);
+						PrintAndLogEx(NORMAL, "\tCVR:", sprint_hex(&IAD->value[3], IAD->value[0] - 2));
 						struct tlvdb * cvr = tlvdb_fixed(0x20, IAD->value[0] - 2, &IAD->value[3]);
 						TLVPrintFromTLVLev(cvr, 1);
 					}
 				} else {
-					PrintAndLog("WARNING: IAD not found.");
+					PrintAndLogEx(WARNING, "IAD not found.");
 				}
-				
+
 			} else {
-				PrintAndLog("ERROR AC: Application Transaction Counter (ATC) not found.");
+				PrintAndLogEx(ERR, "AC: Application Transaction Counter (ATC) not found.");
 			}
 		}
 	}
-	
+
 	// Mastercard M/CHIP
 	if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD && (TrType == TT_QVSDCMCHIP || TrType == TT_CDA)){
 		const struct tlv *CDOL1 = tlvdb_get(tlvRoot, 0x8c, NULL);
 		if (CDOL1 && GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) { // and m/chip transaction flag
-			PrintAndLog("\n--> Mastercard M/Chip transaction.");
+			PrintAndLogEx(NORMAL, "\n--> Mastercard M/Chip transaction.");
 
-			PrintAndLog("* * Generate challenge");
-			res = EMVGenerateChallenge(true, buf, sizeof(buf), &len, &sw, tlvRoot);
+			PrintAndLogEx(NORMAL, "* * Generate challenge");
+			res = EMVGenerateChallenge(channel, true, buf, sizeof(buf), &len, &sw, tlvRoot);
 			if (res) {
-				PrintAndLog("ERROR GetChallenge. APDU error %4x", sw);
+				PrintAndLogEx(WARNING, "GetChallenge. APDU error %4x", sw);
 				dreturn(6);
 			}
 			if (len < 4) {
-				PrintAndLog("ERROR GetChallenge. Wrong challenge length %d", len);
+				PrintAndLogEx(WARNING, "GetChallenge. Wrong challenge length %d", len);
 				dreturn(6);
 			}
-			
+
 			// ICC Dynamic Number
 			struct tlvdb * ICCDynN = tlvdb_fixed(0x9f4c, len, buf);
 			tlvdb_add(tlvRoot, ICCDynN);
 			if (decodeTLV){
-				PrintAndLog("\n* * ICC Dynamic Number:");
+				PrintAndLogEx(NORMAL, "\n* * ICC Dynamic Number:");
 				TLVPrintFromTLV(ICCDynN);
 			}
-			
-			PrintAndLog("* * Calc CDOL1");
+
+			PrintAndLogEx(NORMAL, "* * Calc CDOL1");
 			struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
 			if (!cdol_data_tlv){
-				PrintAndLog("ERROR: can't create CDOL1 TLV.");
+				PrintAndLogEx(WARNING, "Error: can't create CDOL1 TLV.");
 				dreturn(6);
 			}
-			PrintAndLog("CDOL1 data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
-			
-			PrintAndLog("* * AC1");
+			PrintAndLogEx(NORMAL, "CDOL1 data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
+
+			PrintAndLogEx(NORMAL, "* * AC1");
 			// EMVAC_TC + EMVAC_CDAREQ --- to get SDAD
-			res = EMVAC(true, (TrType == TT_CDA) ? EMVAC_TC + EMVAC_CDAREQ : EMVAC_TC, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
-			
-			if (res) {	
-				PrintAndLog("AC1 error(%d): %4x. Exit...", res, sw);
+			res = EMVAC(channel, true, (TrType == TT_CDA) ? EMVAC_TC + EMVAC_CDAREQ : EMVAC_TC, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+			if (res) {
+				PrintAndLogEx(NORMAL, "AC1 error(%d): %4x. Exit...", res, sw);
 				dreturn(7);
 			}
-			
+
 			if (decodeTLV)
 				TLVPrintFromBuffer(buf, len);
-			
+
 			// CDA
-			PrintAndLog("\n* CDA:");
+			PrintAndLogEx(NORMAL, "\n* CDA:");
 			struct tlvdb *ac_tlv = tlvdb_parse_multi(buf, len);
 			res = trCDA(tlvRoot, ac_tlv, pdol_data_tlv, cdol_data_tlv);
-			if (res) {	
-				PrintAndLog("CDA error (%d)", res);
+			if (res) {
+				PrintAndLogEx(NORMAL, "CDA error (%d)", res);
 			}
 			free(ac_tlv);
 			free(cdol_data_tlv);
-			
-			PrintAndLog("\n* M/Chip transaction result:");
+
+			PrintAndLogEx(NORMAL, "\n* M/Chip transaction result:");
 			// 9F27: Cryptogram Information Data (CID)
 			const struct tlv *CID = tlvdb_get(tlvRoot, 0x9F27, NULL);
 			if (CID) {
 				emv_tag_dump(CID, stdout, 0);
-				PrintAndLog("------------------------------");
+				PrintAndLogEx(NORMAL, "------------------------------");
 				if (CID->len > 0) {
 					switch(CID->value[0] & EMVAC_AC_MASK){
 						case EMVAC_AAC:
-							PrintAndLog("Transaction DECLINED.");
+							PrintAndLogEx(NORMAL, "Transaction DECLINED.");
 							break;
 						case EMVAC_TC:
-							PrintAndLog("Transaction approved OFFLINE.");
+							PrintAndLogEx(NORMAL, "Transaction approved OFFLINE.");
 							break;
 						case EMVAC_ARQC:
-							PrintAndLog("Transaction approved ONLINE.");
+							PrintAndLogEx(NORMAL, "Transaction approved ONLINE.");
 							break;
 						default:
-							PrintAndLog("ERROR: CID transaction code error %2x", CID->value[0] & EMVAC_AC_MASK);
+							PrintAndLogEx(WARNING, "Error: CID transaction code error %2x", CID->value[0] & EMVAC_AC_MASK);
 							break;
 					}
 				} else {
-					PrintAndLog("ERROR: Wrong CID length %d", CID->len);
+					PrintAndLogEx(WARNING, "Wrong CID length %d", CID->len);
 				}
 			} else {
-				PrintAndLog("ERROR: CID(9F27) not found.");
+				PrintAndLogEx(WARNING, "CID(9F27) not found.");
 			}
-		
+
 		}
 	}
-		
+
 	// MSD
-	if (AIP & 0x8000 && TrType == TT_MSD) { 
-		PrintAndLog("\n--> MSD transaction.");
-		
-		PrintAndLog("* MSD dCVV path. Check dCVV");
+	if (AIP & 0x8000 && TrType == TT_MSD) {
+		PrintAndLogEx(NORMAL, "\n--> MSD transaction.");
+
+		PrintAndLogEx(NORMAL, "* MSD dCVV path. Check dCVV");
 
 		const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
 		if (track2) {
-			PrintAndLog("Track2: %s", sprint_hex(track2->value, track2->len));
+			PrintAndLogEx(NORMAL, "Track2: %s", sprint_hex(track2->value, track2->len));
 
 			struct tlvdb *dCVV = GetdCVVRawFromTrack2(track2);
-			PrintAndLog("dCVV raw data:");
+			PrintAndLogEx(NORMAL, "dCVV raw data:");
 			TLVPrintFromTLV(dCVV);
-			
+
 			if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) {
-				PrintAndLog("\n* Mastercard calculate UDOL");
+				PrintAndLogEx(NORMAL, "\n* Mastercard calculate UDOL");
 
 				// UDOL (9F69)
 				const struct tlv *UDOL = tlvdb_get(tlvRoot, 0x9F69, NULL);
@@ -931,91 +1200,821 @@ int CmdHFEMVExec(const char *cmd) {
 					.value = (uint8_t *)"\x9f\x6a\x04",
 				};
 				if (!UDOL)
-					PrintAndLog("Use default UDOL.");
+					PrintAndLogEx(NORMAL, "Use default UDOL.");
 
 				struct tlv *udol_data_tlv = dol_process(UDOL ? UDOL : &defUDOL, tlvRoot, 0x01); // 0x01 - dummy tag
 				if (!udol_data_tlv){
-					PrintAndLog("ERROR: can't create UDOL TLV.");
+					PrintAndLogEx(WARNING, "can't create UDOL TLV.");
 					dreturn(8);
 				}
 
-				PrintAndLog("UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len));
-				
-				PrintAndLog("\n* Mastercard compute cryptographic checksum(UDOL)");
-				
-				res = MSCComputeCryptoChecksum(true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
+				PrintAndLogEx(NORMAL, "UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len));
+
+				PrintAndLogEx(NORMAL, "\n* Mastercard compute cryptographic checksum(UDOL)");
+
+				res = MSCComputeCryptoChecksum(channel, true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
 				if (res) {
-					PrintAndLog("ERROR Compute Crypto Checksum. APDU error %4x", sw);
+					PrintAndLogEx(WARNING, "Compute Crypto Checksum. APDU error %4x", sw);
 					free(udol_data_tlv);
 					dreturn(9);
 				}
-				
-				if (decodeTLV) {
-					TLVPrintFromBuffer(buf, len);
-					PrintAndLog("");
-				}
+
+				// Mastercard compute cryptographic checksum result
+				TLVPrintFromBuffer(buf, len);
+				PrintAndLogEx(NORMAL, "");
+
 				free(udol_data_tlv);
 
 			}
 		} else {
-			PrintAndLog("ERROR MSD: Track2 data not found.");
+			PrintAndLogEx(WARNING, "MSD: Track2 data not found.");
 		}
 	}
 
-	// DropField
-	DropField();
-	
-	// Destroy TLV's
-	free(pdol_data_tlv);
-	tlvdb_free(tlvSelect);
-	tlvdb_free(tlvRoot);
+	// VSDC
+	if (GetCardPSVendor(AID, AIDlen) == CV_VISA && (TrType == TT_VSDC || TrType == TT_CDA)){
+		PrintAndLogEx(NORMAL, "\n--> VSDC transaction.");
 
-	PrintAndLog("\n* Transaction completed.");
-	
-	return 0;
-}
+		PrintAndLogEx(NORMAL, "* * Calc CDOL1");
+		struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
+		if (!cdol_data_tlv) {
+			PrintAndLogEx(WARNING, "Error: can't create CDOL1 TLV.");
+			dreturn(6);
+		}
 
-int UsageCmdHFEMVScan(void) {
-	PrintAndLog("HELP :  Scan EMV card and save it contents to a file. \n");
-	PrintAndLog("        It executes EMV contactless transaction and saves result to a file which can be used for emulation.\n");
-	PrintAndLog("Usage:  hf emv scan [-a][-t][-v][-c][-x][-g] <file_name>\n");
-	PrintAndLog("  Options:");
-	PrintAndLog("  -a       : show APDU reqests and responses\n");
-	PrintAndLog("  -t       : TLV decode results\n");
-	PrintAndLog("  -v       : transaction type - qVSDC or M/Chip.\n");
-	PrintAndLog("  -c       : transaction type - qVSDC or M/Chip plus CDA (SDAD generation).\n");
-	PrintAndLog("  -x       : transaction type - VSDC. For test only. Not a standart behavior.\n");
-	PrintAndLog("  -g       : VISA. generate AC from GPO\n");
-	PrintAndLog("By default : transaction type - MSD.\n");
-	PrintAndLog("Samples:");
-	PrintAndLog(" hf emv scan -a -t -> scan MSD transaction mode");
-	PrintAndLog(" hf emv scan -a -t -c -> scan CDA transaction mode");
-	return 0;
-}
+		PrintAndLogEx(NORMAL, "CDOL1 data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
 
-int CmdHFEMVScan(const char *cmd) {
-	UsageCmdHFEMVScan();
-	
-	return 0;
-}
+		PrintAndLogEx(NORMAL, "* * AC1");
+		// EMVAC_TC + EMVAC_CDAREQ --- to get SDAD
+		res = EMVAC(channel, true, (TrType == TT_CDA) ? EMVAC_TC + EMVAC_CDAREQ : EMVAC_TC, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
 
-int CmdHFEMVTest(const char *cmd) {
-	return ExecuteCryptoTests(true);
-}
+		if (res) {
+			PrintAndLogEx(NORMAL, "AC1 error(%d): %4x. Exit...", res, sw);
+			dreturn(7);
+		}
+
+		// process Format1 (0x80) and print Format2 (0x77)
+		ProcessACResponseFormat1(tlvRoot, buf, len, decodeTLV);
+
+		uint8_t CID = 0;
+		tlvdb_get_uint8(tlvRoot, 0x9f27, &CID);
+
+		// AC1 print result
+		PrintAndLog("");
+		if ((CID & EMVAC_AC_MASK) == EMVAC_AAC)		PrintAndLogEx(INFO, "AC1 result: AAC (Transaction declined)");
+		if ((CID & EMVAC_AC_MASK) == EMVAC_TC)		PrintAndLogEx(INFO, "AC1 result: TC (Transaction approved)");
+		if ((CID & EMVAC_AC_MASK) == EMVAC_ARQC)	PrintAndLogEx(INFO, "AC1 result: ARQC (Online authorisation requested)");
+		if ((CID & EMVAC_AC_MASK) == EMVAC_AC_MASK)	PrintAndLogEx(INFO, "AC1 result: RFU");
+
+		// decode Issuer Application Data (IAD)
+		uint8_t CryptoVersion = 0;
+		const struct tlv *IAD = tlvdb_get(tlvRoot, 0x9f10, NULL);
+		if (IAD && (IAD->len > 1)) {
+			PrintAndLogEx(NORMAL, "\n* * Issuer Application Data (IAD):");
+			uint8_t VDDlen = IAD->value[0]; // Visa discretionary data length
+			uint8_t IDDlen = 0;             // Issuer discretionary data length
+			PrintAndLogEx(NORMAL, "IAD length: %d", IAD->len);
+			PrintAndLogEx(NORMAL, "VDDlen: %d", VDDlen);
+			if (VDDlen < IAD->len - 1) 
+				IDDlen = IAD->value[VDDlen + 1];
+			PrintAndLogEx(NORMAL, "IDDlen: %d", IDDlen);
+						
+			uint8_t DerivKeyIndex = IAD->value[1];
+			CryptoVersion = IAD->value[2];
+
+			PrintAndLogEx(NORMAL, "CryptoVersion: %d", CryptoVersion);
+			PrintAndLogEx(NORMAL, "DerivKeyIndex: %d", DerivKeyIndex);
+
+			// Card Verification Results (CVR) decode
+			if ((VDDlen - 2) > 0) {
+				uint8_t CVRlen = IAD->value[3];
+				if (CVRlen == (VDDlen - 2 - 1)) {
+					PrintAndLogEx(NORMAL, "CVR length: %d", CVRlen);
+					PrintAndLogEx(NORMAL, "CVR: %s", sprint_hex(&IAD->value[4], CVRlen));
+				} else {
+					PrintAndLogEx(NORMAL, "Wrong CVR length! CVR: %s", sprint_hex(&IAD->value[3], VDDlen - 2));
+				}
+			}
+			if (IDDlen)
+				PrintAndLogEx(NORMAL, "IDD: %s", sprint_hex(&IAD->value[VDDlen + 1], IDDlen));		
+		} else {
+			PrintAndLogEx(NORMAL, "Issuer Application Data (IAD) not found.");
+		}
+		
+		PrintAndLogEx(NORMAL, "\n* * Processing online request");
+
+		// authorization response code from acquirer
+		const char HostResponse[] = "00"; // 0x3030
+		size_t HostResponseLen = sizeof(HostResponse) - 1;
+		PrintAndLogEx(NORMAL, "Host Response: `%s`", HostResponse);
+		tlvdb_change_or_add_node(tlvRoot, 0x8a, HostResponseLen, (const unsigned char *)HostResponse);		
+		
+		if (CryptoVersion == 10) {
+			PrintAndLogEx(NORMAL, "\n* * Generate ARPC");
+			
+			// Application Cryptogram (AC)
+			const struct tlv *AC = tlvdb_get(tlvRoot, 0x9f26, NULL);
+			if (AC && (AC->len > 0)) {
+				PrintAndLogEx(NORMAL, "AC: %s", sprint_hex(AC->value, AC->len));
+
+				size_t rawARPClen = AC->len;
+				uint8_t rawARPC[rawARPClen];
+				memcpy(rawARPC, AC->value, AC->len);
+				for (int i = 0; (i < HostResponseLen) && (i < rawARPClen); i++)
+					rawARPC[i] ^= HostResponse[i];
+				PrintAndLogEx(NORMAL, "raw ARPC: %s", sprint_hex(rawARPC, rawARPClen));
+				
+				// here must be calculation of ARPC, but we dont know a bank keys.
+				PrintAndLogEx(NORMAL, "ARPC: n/a");
+				
+			} else {
+				PrintAndLogEx(NORMAL, "Application Cryptogram (AC) not found.");
+			}
+
+			// here must be external authenticate, but we dont know ARPC
+			
+	}
+		
+
+		// needs to send AC2 command (res == ARQC)
+		if ((CID & EMVAC_AC_MASK) == EMVAC_ARQC) {
+			PrintAndLogEx(NORMAL, "\n* * Calc CDOL2");
+			struct tlv *cdol2_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8d, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
+			if (!cdol2_data_tlv) {
+				PrintAndLogEx(WARNING, "Error: can't create CDOL2 TLV.");
+				dreturn(6);
+			}
+			
+			PrintAndLogEx(NORMAL, "CDOL2 data[%d]: %s", cdol2_data_tlv->len, sprint_hex(cdol2_data_tlv->value, cdol2_data_tlv->len));
+			
+			//PrintAndLogEx(NORMAL, "* * AC2");
+			
+			
+			// here must be AC2, but we dont make external authenticate (
+		
+/*			// AC2
+			PRINT_INDENT(level);
+			if ((CID & EMVAC_AC2_MASK) == EMVAC_AAC2)	fprintf(f, "\tAC2: AAC (Transaction declined)\n");
+			if ((CID & EMVAC_AC2_MASK) == EMVAC_TC2)	fprintf(f, "\tAC2: TC (Transaction approved)\n");
+			if ((CID & EMVAC_AC2_MASK) == EMVAC_ARQC2)	fprintf(f, "\tAC2: not requested (ARQC)\n");
+			if ((CID & EMVAC_AC2_MASK) == EMVAC_AC2_MASK)	fprintf(f, "\tAC2: RFU\n");
+*/
+		}
+		
+	}
+	
+	DropFieldEx( channel );
+
+	// Destroy TLV's
+	free(pdol_data_tlv);
+	tlvdb_free(tlvSelect);
+	tlvdb_free(tlvRoot);
+
+	PrintAndLogEx(NORMAL, "\n* Transaction completed.");
+	return 0;
+}
+
+int CmdEMVScan(const char *cmd) {
+	uint8_t AID[APDU_DATA_LEN] = {0};
+	size_t AIDlen = 0;
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res;
+	json_t *root;
+	json_error_t error;
+
+	CLIParserInit("emv scan",
+		"Scan EMV card and save it contents to a file.",
+		"It executes EMV contactless transaction and saves result to a file which can be used for emulation\n"
+			"Usage:\n\temv scan -at -> scan MSD transaction mode and show APDU and TLV\n"
+			"\temv scan -c -> scan CDA transaction mode\n");
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("aA",  "apdu",     "show APDU reqests and responses."),
+		arg_lit0("tT",  "tlv",      "TLV decode results."),
+		arg_lit0("eE",  "extract",  "Extract TLV elements and fill Application Data"),
+		arg_lit0("jJ",  "jload",    "Load transaction parameters from `emv/defparams.json` file."),
+		arg_rem("By default:",      "Transaction type - MSD"),
+		arg_lit0("vV",  "qvsdc",    "Transaction type - qVSDC or M/Chip."),
+		arg_lit0("cC",  "qvsdccda", "Transaction type - qVSDC or M/Chip plus CDA (SDAD generation)."),
+		arg_lit0("xX",  "vsdc",     "Transaction type - VSDC. For test only. Not a standart behavior."),
+		arg_lit0("gG",  "acgpo",    "VISA. generate AC from GPO."),
+		arg_lit0("mM",  "merge",    "Merge output file with card's data. (warning: the file may be corrupted!)"),
+#ifdef WITH_SMARTCARD
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+#endif
+		arg_str1(NULL,  NULL,       "output.json", "JSON output file name"),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	bool showAPDU = arg_get_lit(1);
+	bool decodeTLV = arg_get_lit(2);
+	bool extractTLVElements = arg_get_lit(3);
+	bool paramLoadJSON = arg_get_lit(4);
+
+	enum TransactionType TrType = TT_MSD;
+	if (arg_get_lit(6))
+		TrType = TT_QVSDCMCHIP;
+	if (arg_get_lit(7))
+		TrType = TT_CDA;
+	if (arg_get_lit(8))
+		TrType = TT_VSDC;
+
+	bool GenACGPO = arg_get_lit(9);
+	bool MergeJSON = arg_get_lit(10);
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+	uint8_t relfname[250] = {0};
+	char *crelfname = (char *)relfname;
+	int relfnamelen = 0;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(11)) {
+		channel = ECC_CONTACT;
+	}
+	CLIGetStrWithReturn(12, relfname, &relfnamelen);
+#else
+	CLIGetStrWithReturn(11, relfname, &relfnamelen);
+#endif
+	PrintChannel(channel);
+	uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
+	CLIParserFree();
+	
+	SetAPDULogging(showAPDU);
+	
+	// current path + file name
+	if (!strstr(crelfname, ".json"))
+		strcat(crelfname, ".json");
+	char fname[strlen(get_my_executable_directory()) + strlen(crelfname) + 1];
+	strcpy(fname, get_my_executable_directory());
+	strcat(fname, crelfname);
+
+	if (MergeJSON) {
+		root = json_load_file(fname, 0, &error);
+		if (!root) {
+			PrintAndLogEx(ERR, "json error on line %d: %s", error.line, error.text);
+			return 1;
+		}
+
+		if (!json_is_object(root)) {
+			PrintAndLogEx(ERR, "Invalid json format. root must be an object.");
+			return 1;
+		}
+	} else {
+		root = json_object();
+	}
+
+	// drop field at start
+	DropFieldEx( channel );
+
+	JsonSaveStr(root, "$.File.Created", "proxmark3 `emv scan`");
+	
+	if (channel == ECC_CONTACTLESS) {
+		// iso 14443 select
+		PrintAndLogEx(NORMAL, "--> GET UID, ATS.");
+
+		iso14a_card_select_t card;
+		if (Hf14443_4aGetCardData(&card)) {
+			return 2;
+		}
+		if (!card.uidlen) {
+			PrintAndLogEx(ERR, "get ATS error");
+			return 2;
+		}
+
+		JsonSaveStr(root, "$.Card.Contactless.Communication", "iso14443-4a");
+		JsonSaveBufAsHex(root, "$.Card.Contactless.UID", (uint8_t *)&card.uid, card.uidlen);
+		JsonSaveHex(root, "$.Card.Contactless.ATQA", card.atqa[0] + (card.atqa[1] << 2), 2);
+		JsonSaveHex(root, "$.Card.Contactless.SAK", card.sak, 0);
+		JsonSaveBufAsHex(root, "$.Card.Contactless.ATS", (uint8_t *)card.ats, card.ats_len);
+	} else {
+		PrintAndLogEx(NORMAL, "--> GET ATR.");
+
+		smart_card_atr_t ccard;
+		smart_getATR(&ccard);
+		
+		if (!ccard.atr_len) {
+			PrintAndLogEx(ERR, "get ATR error");
+			return 2;
+		}
+
+		JsonSaveStr(root, "$.Card.Contact.Communication", "iso7816");
+		JsonSaveBufAsHex(root, "$.Card.Contact.ATR", (uint8_t *)ccard.atr, ccard.atr_len);
+	}
+	
+	// init applets list tree
+	const char *al = "Applets list";
+	struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+
+	// EMV PPSE
+	PrintAndLogEx(NORMAL, "--> PPSE.");
+	res = EMVSelectPSE(channel, true, true, 2, buf, sizeof(buf), &len, &sw);
+
+	if (!res && sw == 0x9000){
+		if (decodeTLV)
+			TLVPrintFromBuffer(buf, len);
+
+		JsonSaveBufAsHex(root, "$.PPSE.AID", (uint8_t *)"2PAY.SYS.DDF01", 14);
+
+		struct tlvdb *fci = tlvdb_parse_multi(buf, len);
+		if (extractTLVElements)
+			JsonSaveTLVTree(root, root, "$.PPSE.FCITemplate", fci);
+		else
+			JsonSaveTLVTreeElm(root, "$.PPSE.FCITemplate", fci, true, true, false);
+		JsonSaveTLVValue(root, "$.Application.KernelID", tlvdb_find_full(fci, 0x9f2a));
+		tlvdb_free(fci);
+	}
+
+	res = EMVSearchPSE(channel, false, true, psenum, decodeTLV, tlvSelect);
+
+	// check PPSE and select application id
+	if (!res) {
+		TLVPrintAIDlistFromSelectTLV(tlvSelect);
+	} else {
+		// EMV SEARCH with AID list
+		SetAPDULogging(false);
+		PrintAndLogEx(NORMAL, "--> AID search.");
+		if (EMVSearch(channel, false, true, decodeTLV, tlvSelect)) {
+			PrintAndLogEx(ERR, "Can't found any of EMV AID. Exit...");
+			tlvdb_free(tlvSelect);
+			DropFieldEx( channel );
+			return 3;
+		}
+
+		// check search and select application id
+		TLVPrintAIDlistFromSelectTLV(tlvSelect);
+	}
+
+	// EMV SELECT application
+	SetAPDULogging(showAPDU);
+	EMVSelectApplication(tlvSelect, AID, &AIDlen);
+
+	tlvdb_free(tlvSelect);
+
+	if (!AIDlen) {
+		PrintAndLogEx(INFO, "Can't select AID. EMV AID not found. Exit...");
+		DropFieldEx( channel );
+		return 4;
+	}
+
+	JsonSaveBufAsHex(root, "$.Application.AID", AID, AIDlen);
+
+	// Init TLV tree
+	const char *alr = "Root terminal TLV tree";
+	struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+
+	// EMV SELECT applet
+
+	PrintAndLogEx(NORMAL, "\n-->Selecting AID:%s.", sprint_hex_inrow(AID, AIDlen));
+	SetAPDULogging(showAPDU);
+	res = EMVSelect(channel, false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+	if (res) {
+		PrintAndLogEx(ERR, "Can't select AID (%d). Exit...", res);
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 5;
+	}
+
+	if (decodeTLV)
+		TLVPrintFromBuffer(buf, len);
+
+	// save mode
+	if (tlvdb_get(tlvRoot, 0x9f38, NULL)) {
+		JsonSaveStr(root, "$.Application.Mode", TransactionTypeStr[TrType]);
+	}
+
+	struct tlvdb *fci = tlvdb_parse_multi(buf, len);
+	if (extractTLVElements)
+		JsonSaveTLVTree(root, root, "$.Application.FCITemplate", fci);
+	else
+		JsonSaveTLVTreeElm(root, "$.Application.FCITemplate", fci, true, true, false);
+	tlvdb_free(fci);
+
+	// create transaction parameters
+	PrintAndLogEx(NORMAL, "-->Init transaction parameters.");
+	InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO);
+
+	PrintAndLogEx(NORMAL, "-->Calc PDOL.");
+	struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
+	if (!pdol_data_tlv){
+		PrintAndLogEx(ERR, "Can't create PDOL TLV.");
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 6;
+	}
+
+	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) {
+		PrintAndLogEx(ERR, "Can't create PDOL data.");
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 6;
+	}
+	PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
+
+	PrintAndLogEx(INFO, "-->GPO.");
+	res = EMVGPO(channel, true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+	free(pdol_data_tlv_data);
+	free(pdol_data_tlv);
+
+	if (res) {
+		PrintAndLogEx(ERR, "GPO error(%d): %4x. Exit...", res, sw);
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 7;
+	}
+	ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV);
+
+	struct tlvdb *gpofci = tlvdb_parse_multi(buf, len);
+	if (extractTLVElements)
+		JsonSaveTLVTree(root, root, "$.Application.GPO", gpofci);
+	else
+		JsonSaveTLVTreeElm(root, "$.Application.GPO", gpofci, true, true, false);
+
+	JsonSaveTLVValue(root, "$.ApplicationData.AIP", tlvdb_find_full(gpofci, 0x82));
+	JsonSaveTLVValue(root, "$.ApplicationData.AFL", tlvdb_find_full(gpofci, 0x94));
+
+	tlvdb_free(gpofci);
+
+	PrintAndLogEx(INFO, "-->Read records from AFL.");
+	const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
+
+	while(AFL && AFL->len) {
+		if (AFL->len % 4) {
+			PrintAndLogEx(ERR, "Wrong AFL length: %d", AFL->len);
+			break;
+		}
+
+		json_t *sfijson = json_path_get(root, "$.Application.Records");
+		if (!sfijson) {
+			json_t *app = json_path_get(root, "$.Application");
+			json_object_set_new(app, "Records", json_array());
+
+			sfijson = json_path_get(root, "$.Application.Records");
+		}
+		if (!json_is_array(sfijson)) {
+			PrintAndLogEx(ERR, "Internal logic error. `$.Application.Records` is not an array.");
+			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];
+
+			PrintAndLogEx(INFO, "--->SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
+			if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
+				PrintAndLogEx(ERR, "SFI ERROR! Skipped...");
+				continue;
+			}
+
+			for(int n = SFIstart; n <= SFIend; n++) {
+				PrintAndLogEx(INFO, "---->SFI[%02x] %d", SFI, n);
+
+				res = EMVReadRecord(channel, true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
+				if (res) {
+					PrintAndLogEx(ERR, "SFI[%02x]. APDU error %4x", SFI, sw);
+					continue;
+				}
+
+				if (decodeTLV) {
+					TLVPrintFromBuffer(buf, len);
+					PrintAndLogEx(NORMAL, "");
+				}
+
+				json_t *jsonelm = json_object();
+				json_array_append_new(sfijson, jsonelm);
+
+				JsonSaveHex(jsonelm, "SFI", SFI, 1);
+				JsonSaveHex(jsonelm, "RecordNum", n, 1);
+				JsonSaveHex(jsonelm, "Offline", SFIoffline, 1);
+
+				struct tlvdb *rsfi = tlvdb_parse_multi(buf, len);
+				if (extractTLVElements)
+					JsonSaveTLVTree(root, jsonelm, "$.Data", rsfi);
+				else
+					JsonSaveTLVTreeElm(jsonelm, "$.Data", rsfi, true, true, false);
+				tlvdb_free(rsfi);
+			}
+		}
+
+		break;
+	}
+
+	// getting certificates
+	if (tlvdb_get(tlvRoot, 0x90, NULL)) {
+		PrintAndLogEx(INFO, "-->Recovering certificates.");
+		PKISetStrictExecution(false);
+		RecoveryCertificates(tlvRoot, root);
+		PKISetStrictExecution(true);
+	}
+
+	// free tlv object
+	tlvdb_free(tlvRoot);
+
+	DropFieldEx( channel );
+
+	res = json_dump_file(root, fname, JSON_INDENT(2));
+	if (res) {
+		PrintAndLogEx(ERR, "Can't save the file: %s", fname);
+		return 200;
+	}
+	PrintAndLogEx(SUCCESS, "File `%s` saved.", fname);
+
+	// free json object
+	json_decref(root);
+
+	return 0;
+}
+
+int CmdEMVTest(const char *cmd) {
+	return ExecuteCryptoTests(true);
+}
+
+int CmdEMVRoca(const char *cmd) {
+	uint8_t AID[APDU_DATA_LEN] = {0};
+	size_t AIDlen = 0;
+	uint8_t buf[APDU_RESPONSE_LEN] = {0};
+	size_t len = 0;
+	uint16_t sw = 0;
+	int res;
+	uint8_t ODAiList[4096];
+	size_t ODAiListLen = 0;
+
+	CLIParserInit("emv roca",
+		"Tries to extract public keys and run the ROCA test against them.\n",
+		"Usage:\n"
+			"\temv roca -w -> select --CONTACT-- card and run test\n"
+			"\temv roca -> select --CONTACTLESS-- card and run test\n"
+	);
+
+	void* argtable[] = {
+		arg_param_begin,
+		arg_lit0("tT",  "selftest",   "self test"),
+		arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
+		arg_lit0("wW",  "wired",   "Send data via contact (iso7816) interface. Contactless interface set by default."),
+		arg_param_end
+	};
+	CLIExecWithReturn(cmd, argtable, true);
+
+	if (arg_get_lit(1))
+		return roca_self_test();
+	bool showAPDU = arg_get_lit(2);
+
+	EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+	if (arg_get_lit(3))
+		channel = ECC_CONTACT;
+#endif
+	PrintChannel(channel);
+	CLIParserFree();
+
+	// select card
+	uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
+	char *PSE_or_PPSE = psenum == 1 ? "PSE" : "PPSE";
+
+	SetAPDULogging(showAPDU);
+
+	// init applets list tree
+	const char *al = "Applets list";
+	struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+
+	// EMV PSE/PPSE
+	PrintAndLogEx(NORMAL, "--> %s.", PSE_or_PPSE);
+	res = EMVSearchPSE(channel, true, true, psenum, false, tlvSelect);
+
+	// check PSE/PPSE and select application id
+	if (!res) {
+		TLVPrintAIDlistFromSelectTLV(tlvSelect);
+	} else {
+		// EMV SEARCH with AID list
+		PrintAndLogEx(NORMAL, "--> AID search.");
+		if (EMVSearch(channel, false, true, false, tlvSelect)) {
+			PrintAndLogEx(ERR, "Couldn't find any known EMV AID. Exit...");
+			tlvdb_free(tlvSelect);
+			DropFieldEx( channel );
+			return 3;
+		}
+
+		// check search and select application id
+		TLVPrintAIDlistFromSelectTLV(tlvSelect);
+	}
+
+	// EMV SELECT application
+	EMVSelectApplication(tlvSelect, AID, &AIDlen);
+
+	tlvdb_free(tlvSelect);
+
+	if (!AIDlen) {
+		PrintAndLogEx(INFO, "Can't select AID. EMV AID not found. Exit...");
+		DropFieldEx( channel );
+		return 4;
+	}
+
+	// Init TLV tree
+	const char *alr = "Root terminal TLV tree";
+	struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+
+	// EMV SELECT applet
+	PrintAndLogEx(NORMAL, "\n-->Selecting AID:%s.", sprint_hex_inrow(AID, AIDlen));
+	res = EMVSelect(channel, false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+	if (res) {
+		PrintAndLogEx(ERR, "Can't select AID (%d). Exit...", res);
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 5;
+	}
+
+	PrintAndLog("\n* Init transaction parameters.");
+	InitTransactionParameters(tlvRoot, true, TT_QVSDCMCHIP, false);
+
+	PrintAndLogEx(NORMAL, "-->Calc PDOL.");
+	struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
+	if (!pdol_data_tlv){
+		PrintAndLogEx(ERR, "Can't create PDOL TLV.");
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 6;
+	}
+
+	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) {
+		PrintAndLogEx(ERR, "Can't create PDOL data.");
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 6;
+	}
+	PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
+
+	PrintAndLogEx(INFO, "-->GPO.");
+	res = EMVGPO(channel, true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+	free(pdol_data_tlv_data);
+	free(pdol_data_tlv);
+
+	if (res) {
+		PrintAndLogEx(ERR, "GPO error(%d): %4x. Exit...", res, sw);
+		tlvdb_free(tlvRoot);
+		DropFieldEx( channel );
+		return 7;
+	}
+	ProcessGPOResponseFormat1(tlvRoot, buf, len, false);
+
+	PrintAndLogEx(INFO, "-->Read records from AFL.");
+	const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
+
+	while(AFL && AFL->len) {
+		if (AFL->len % 4) {
+			PrintAndLogEx(ERR, "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];
+
+			PrintAndLogEx(INFO, "--->SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
+			if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
+				PrintAndLogEx(ERR, "SFI ERROR! Skipped...");
+				continue;
+			}
+
+			for(int n = SFIstart; n <= SFIend; n++) {
+				PrintAndLogEx(INFO, "---->SFI[%02x] %d", SFI, n);
+
+				res = EMVReadRecord(channel, true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
+				if (res) {
+					PrintAndLogEx(ERR, "SFI[%02x]. APDU error %4x", SFI, sw);
+					continue;
+				}
+
+				// Build Input list for Offline Data Authentication
+				// EMV 4.3 book3 10.3, page 96
+				if (SFIoffline > 0) {
+					if (SFI < 11) {
+						const unsigned char *abuf = buf;
+						size_t elmlen = len;
+						struct tlv e;
+						if (tlv_parse_tl(&abuf, &elmlen, &e)) {
+							memcpy(&ODAiList[ODAiListLen], &buf[len - elmlen], elmlen);
+							ODAiListLen += elmlen;
+						} else {
+							PrintAndLogEx(WARNING, "Error SFI[%02x]. Creating input list for Offline Data Authentication error.", SFI);
+						}
+					} else {
+						memcpy(&ODAiList[ODAiListLen], buf, len);
+						ODAiListLen += len;
+					}
+
+					SFIoffline--;
+				}
+			}
+		}
+
+		break;
+	}
+
+	// copy Input list for Offline Data Authentication
+	if (ODAiListLen) {
+		struct tlvdb *oda = tlvdb_fixed(0x21, ODAiListLen, ODAiList); // not a standard tag
+		tlvdb_add(tlvRoot, oda);
+		PrintAndLogEx(NORMAL, "* Input list for Offline Data Authentication added to TLV. len=%d \n", ODAiListLen);
+	}
+
+	// getting certificates
+	if (tlvdb_get(tlvRoot, 0x90, NULL)) {
+		PrintAndLogEx(INFO, "-->Recovering certificates.");
+		PKISetStrictExecution(false);
+
+		struct emv_pk *pk = get_ca_pk(tlvRoot);
+		if (!pk) {
+			PrintAndLogEx(ERR, "CA Public Key not found. Exit.");
+			goto out;
+		}
+
+		struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlvRoot);
+		if (!issuer_pk) {
+			emv_pk_free(pk);
+			PrintAndLogEx(WARNING, "WARNING: Issuer certificate not found. Exit.");
+			goto out;
+		}
+
+		char RID[15] = {0};
+		memcpy(RID, sprint_hex(issuer_pk->rid, 5), 14);
+		PrintAndLogEx(SUCCESS, "Issuer Public Key recovered. RID %s IDX %02hhx CSN %s",
+				RID,
+				issuer_pk->index,
+				sprint_hex(issuer_pk->serial, 3)
+				);
+
+		const struct tlv *sda_tlv = tlvdb_get(tlvRoot, 0x21, NULL);
+		struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, sda_tlv);
+		if (!icc_pk) {
+			emv_pk_free(pk);
+			emv_pk_free(issuer_pk);
+			PrintAndLogEx(WARNING, "WARNING: ICC certificate not found. Exit.");
+			goto out;
+		}
+
+		memcpy(RID, sprint_hex(icc_pk->rid, 5), 14);
+		PrintAndLogEx(SUCCESS, "ICC Public Key recovered. RID %s IDX %02hhx CSN %s\n",
+				RID,
+				icc_pk->index,
+				sprint_hex(icc_pk->serial, 3)
+				);
+
+		PrintAndLogEx(INFO, "ICC Public Key modulus: %s\n", sprint_hex_inrow(icc_pk->modulus, icc_pk->mlen));
+
+		//  icc_pk->exp, icc_pk->elen
+		//  icc_pk->modulus, icc_pk->mlen
+		if (icc_pk->elen > 0 && icc_pk->mlen > 0) {
+			if (emv_rocacheck(icc_pk->modulus, icc_pk->mlen, false)) {
+				PrintAndLogEx(INFO, "ICC Public Key is subject to ROCA vulnerability (it is NOT secure).");
+			} else {
+				PrintAndLogEx(INFO, "ICC Public Key is not subject to ROCA vulnerability (it is secure)");
+			}
+		}
+
+		PKISetStrictExecution(true);
+	}
+
+out:
+
+	// free tlv object
+	tlvdb_free(tlvRoot);
+
+	DropFieldEx( channel );
+	return 0;
+}
+
+int CmdHelp(const char *Cmd);
 
-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."},
-//	{"scan",	CmdHFEMVScan,	0,	"Scan EMV card and save it contents to json file for emulator."},
-	{"test",	CmdHFEMVTest,	0,	"Crypto logic test."},
-	{NULL, NULL, 0, NULL}
+	{"help",        CmdHelp,                    1,  "This help"},
+	{"exec",        CmdEMVExec,                 1,  "Executes EMV contactless transaction."},
+	{"pse",         CmdEMVPPSE,                 1,  "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."},
+	{"search",      CmdEMVSearch,               1,  "Try to select all applets from applets list and print installed applets."},
+	{"select",      CmdEMVSelect,               1,  "Select applet."},
+	{"gpo",         CmdEMVGPO,                  1,  "Execute GetProcessingOptions."},
+	{"readrec",     CmdEMVReadRecord,           1,  "Read files from card."},
+	{"genac",       CmdEMVAC,                   1,  "Generate ApplicationCryptogram."},
+	{"challenge",   CmdEMVGenerateChallenge,    1,  "Generate challenge."},
+	{"intauth",     CmdEMVInternalAuthenticate, 1,  "Internal authentication."},
+	{"scan",        CmdEMVScan,                 1,  "Scan EMV card and save it contents to json file for emulator."},
+	{"test",        CmdEMVTest,                 1,  "Crypto logic test."},
+	{"roca",        CmdEMVRoca,                 1,  "Extract public keys and run ROCA test"},
+	{NULL,          NULL,                       0,  NULL}
 };
 
-int CmdHFEMV(const char *Cmd) {
+int CmdEMV(const char *Cmd) {
 	CmdsParse(CommandTable, Cmd);
 	return 0;
 }