X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f89c705002842291e39d000f27dbaea1ddd78917..refs/pull/538/head:/client/cmdhf14a.c?ds=sidebyside

diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index e0b1c3a9..8064724c 100644
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -1,5 +1,5 @@
 //-----------------------------------------------------------------------------
-// 2011, Merlok
+// 2011, 2017 Merlok
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
@@ -9,610 +9,1028 @@
 // High frequency ISO14443A commands
 //-----------------------------------------------------------------------------
 
+#include "cmdhf14a.h"
+
 #include <stdio.h>
 #include <stdlib.h>
+#include <inttypes.h>
 #include <string.h>
-#include <conio.h>
+#include <unistd.h>
 #include "util.h"
+#include "util_posix.h"
 #include "iso14443crc.h"
 #include "data.h"
-#include "proxusb.h"
+#include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
-#include "cmdhf14a.h"
 #include "common.h"
 #include "cmdmain.h"
-#include "nonce2key/nonce2key.h"
-#include "nonce2key/crapto1.h"
+#include "mifare.h"
+#include "cmdhfmfu.h"
+#include "mifarehost.h"
+#include "emv/apduinfo.h"
+#include "emv/emvcore.h"
 
 static int CmdHelp(const char *Cmd);
+static int waitCmd(uint8_t iLen);
+
+
+const manufactureName manufactureMapping[] = {
+	// ID,  "Vendor Country"
+	{ 0x01, "Motorola UK" },
+	{ 0x02, "ST Microelectronics SA France" },
+	{ 0x03, "Hitachi, Ltd Japan" }, 
+	{ 0x04, "NXP Semiconductors Germany" }, 
+	{ 0x05, "Infineon Technologies AG Germany" }, 
+	{ 0x06, "Cylink USA" }, 
+	{ 0x07, "Texas Instrument France" },
+	{ 0x08, "Fujitsu Limited Japan" }, 
+	{ 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" }, 
+	{ 0x0A, "NEC Japan" }, 
+	{ 0x0B, "Oki Electric Industry Co. Ltd Japan" },
+	{ 0x0C, "Toshiba Corp. Japan" },
+	{ 0x0D, "Mitsubishi Electric Corp. Japan" },
+	{ 0x0E, "Samsung Electronics Co. Ltd Korea" },
+	{ 0x0F, "Hynix / Hyundai, Korea" },
+	{ 0x10, "LG-Semiconductors Co. Ltd Korea" },
+	{ 0x11, "Emosyn-EM Microelectronics USA" },
+	{ 0x12, "INSIDE Technology France" },
+	{ 0x13, "ORGA Kartensysteme GmbH Germany" },
+	{ 0x14, "SHARP Corporation Japan" },
+	{ 0x15, "ATMEL France" },
+	{ 0x16, "EM Microelectronic-Marin SA Switzerland" },
+	{ 0x17, "KSW Microtec GmbH Germany" },
+	{ 0x18, "ZMD AG Germany" },
+	{ 0x19, "XICOR, Inc. USA" },
+	{ 0x1A, "Sony Corporation Japan Identifier Company Country" },
+	{ 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
+	{ 0x1C, "Emosyn USA" },
+	{ 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
+	{ 0x1E, "Magellan Technology Pty Limited Australia" },
+	{ 0x1F, "Melexis NV BO Switzerland" },
+	{ 0x20, "Renesas Technology Corp. Japan" },
+	{ 0x21, "TAGSYS France" },
+	{ 0x22, "Transcore USA" },
+	{ 0x23, "Shanghai belling corp., ltd. China" },
+	{ 0x24, "Masktech Germany Gmbh Germany" },
+	{ 0x25, "Innovision Research and Technology Plc UK" },
+	{ 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
+	{ 0x27, "Cypak AB Sweden" },
+	{ 0x28, "Ricoh Japan" },
+	{ 0x29, "ASK France" },
+	{ 0x2A, "Unicore Microsystems, LLC Russian Federation" },
+	{ 0x2B, "Dallas Semiconductor/Maxim USA" },
+	{ 0x2C, "Impinj, Inc. USA" },
+	{ 0x2D, "RightPlug Alliance USA" },
+	{ 0x2E, "Broadcom Corporation USA" },
+	{ 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
+	{ 0x30, "BeeDar Technology Inc. USA" },
+	{ 0x31, "RFIDsec Denmark" },
+	{ 0x32, "Schweizer Electronic AG Germany" },
+	{ 0x33, "AMIC Technology Corp Taiwan" }, 
+	{ 0x34, "Mikron JSC Russia" },
+	{ 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
+	{ 0x36, "IDS Microchip AG Switzerland" },
+	{ 0x37, "Kovio USA" },
+	{ 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
+	{ 0x39, "Silicon Craft Technology Thailand" },
+	{ 0x3A, "Advanced Film Device Inc. Japan" },
+	{ 0x3B, "Nitecrest Ltd UK" },
+	{ 0x3C, "Verayo Inc. USA" },
+	{ 0x3D, "HID Global USA" },
+	{ 0x3E, "Productivity Engineering Gmbh Germany" },
+	{ 0x3F, "Austriamicrosystems AG (reserved) Austria" }, 
+	{ 0x40, "Gemalto SA France" },
+	{ 0x41, "Renesas Electronics Corporation Japan" },
+	{ 0x42, "3Alogics Inc Korea" },
+	{ 0x43, "Top TroniQ Asia Limited Hong Kong" },
+	{ 0x44, "Gentag Inc (USA) USA" },
+	{ 0x00, "no tag-info available" } // must be the last entry
+};
 
-int CmdHF14AList(const char *Cmd)
-{
-  uint8_t got[1920];
-  GetFromBigBuf(got, sizeof(got));
-
-  PrintAndLog("recorded activity:");
-  PrintAndLog(" ETU     :rssi: who bytes");
-  PrintAndLog("---------+----+----+-----------");
-
-  int i = 0;
-  int prev = -1;
-
-  for (;;) {
-    if(i >= 1900) {
-      break;
-    }
-
-    bool isResponse;
-    int timestamp = *((uint32_t *)(got+i));
-    if (timestamp & 0x80000000) {
-      timestamp &= 0x7fffffff;
-      isResponse = 1;
-    } else {
-      isResponse = 0;
-    }
-
-    int metric = 0;
-    int parityBits = *((uint32_t *)(got+i+4));
-    // 4 bytes of additional information...
-    // maximum of 32 additional parity bit information
-    //
-    // TODO:
-    // at each quarter bit period we can send power level (16 levels)
-    // or each half bit period in 256 levels.
-
-
-    int len = got[i+8];
-
-    if (len > 100) {
-      break;
-    }
-    if (i + len >= 1900) {
-      break;
-    }
-
-    uint8_t *frame = (got+i+9);
-
-    // Break and stick with current result if buffer was not completely full
-    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
-
-    char line[1000] = "";
-    int j;
-    for (j = 0; j < len; j++) {
-      int oddparity = 0x01;
-      int k;
-
-      for (k=0;k<8;k++) {
-        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
-      }
-
-      //if((parityBits >> (len - j - 1)) & 0x01) {
-      if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
-        sprintf(line+(j*4), "%02x!  ", frame[j]);
-      }
-      else {
-        sprintf(line+(j*4), "%02x   ", frame[j]);
-      }
-    }
-
-    char *crc;
-    crc = "";
-    if (len > 2) {
-      uint8_t b1, b2;
-      for (j = 0; j < (len - 1); j++) {
-        // gives problems... search for the reason..
-        /*if(frame[j] == 0xAA) {
-          switch(frame[j+1]) {
-            case 0x01:
-              crc = "[1] Two drops close after each other";
-            break;
-            case 0x02:
-              crc = "[2] Potential SOC with a drop in second half of bitperiod";
-              break;
-            case 0x03:
-              crc = "[3] Segment Z after segment X is not possible";
-              break;
-            case 0x04:
-              crc = "[4] Parity bit of a fully received byte was wrong";
-              break;
-            default:
-              crc = "[?] Unknown error";
-              break;
-          }
-          break;
-        }*/
-      }
-
-      if (strlen(crc)==0) {
-        ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
-        if (b1 != frame[len-2] || b2 != frame[len-1]) {
-          crc = (isResponse & (len < 6)) ? "" : " !crc";
-        } else {
-          crc = "";
-        }
-      }
-    } else {
-      crc = ""; // SHORT
-    }
+// get a product description based on the UID
+//		uid[8] 	tag uid
+// returns description of the best match	
+char* getTagInfo(uint8_t uid) {
 
-    char metricString[100];
-    if (isResponse) {
-      sprintf(metricString, "%3d", metric);
-    } else {
-      strcpy(metricString, "   ");
-    }
-
-    PrintAndLog(" +%7d: %s: %s %s %s",
-      (prev < 0 ? 0 : (timestamp - prev)),
-      metricString,
-      (isResponse ? "TAG" : "   "), line, crc);
+	int i;
+	int len = sizeof(manufactureMapping) / sizeof(manufactureName);
+	
+	for ( i = 0; i < len; ++i ) 
+		if ( uid == manufactureMapping[i].uid) 
+			return manufactureMapping[i].desc;
 
-    prev = timestamp;
-    i += (len + 9);
-  }
-	return 0;
+	//No match, return default
+	return manufactureMapping[len-1].desc; 
 }
 
-void iso14a_set_timeout(uint32_t timeout) {
-	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
-	SendCommand(&c);
+int CmdHF14AList(const char *Cmd)
+{
+	PrintAndLog("Deprecated command, use 'hf list 14a' instead");
+	return 0;
 }
 
-int CmdHF14AMifare(const char *Cmd)
-{
-	uint32_t uid = 0;
-	uint32_t nt = 0;
-	uint64_t par_list = 0, ks_list = 0, r_key = 0;
-	uint8_t isOK = 0;
-	
-	UsbCommand c = {CMD_READER_MIFARE, {strtol(Cmd, NULL, 0), 0, 0}};
-	SendCommand(&c);
-	
-	//flush queue
-	while (kbhit())	getchar();
-	while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;
-
-	// message
-	printf("-------------------------------------------------------------------------\n");
-	printf("Executing command. It may take up to 30 min.\n");
-	printf("Press the key on proxmark3 device to abort proxmark3.\n");
-	printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
-	printf("-------------------------------------------------------------------------\n");
+int CmdHF14AReader(const char *Cmd) {
+	uint32_t cm = ISO14A_CONNECT;
+	bool disconnectAfter = true;
 	
-	// wait cycle
-	while (true) {
-		printf(".");
-		if (kbhit()) {
-			getchar();
-			printf("\naborted via keyboard!\n");
+	int cmdp = 0;
+	while(param_getchar(Cmd, cmdp) != 0x00) {
+		switch(param_getchar(Cmd, cmdp)) {
+		case 'h':
+		case 'H':
+			PrintAndLog("Usage: hf 14a reader [k|x] [3]");
+			PrintAndLog("       k    keep the field active after command executed");
+			PrintAndLog("       x    just drop the signal field");
+			PrintAndLog("       3    ISO14443-3 select only (skip RATS)");
+			return 0;
+		case '3':
+			cm |= ISO14A_NO_RATS; 
 			break;
-		}
+		case 'k':
+		case 'K':
+			disconnectAfter = false;
+			break;
+		case 'x':
+		case 'X':
+			cm = cm - ISO14A_CONNECT;
+			break;
+		default:
+			PrintAndLog("Unknown command.");
+			return 1;
+		}	
 		
-		UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000);
-		if (resp != NULL) {
-			isOK  = resp->arg[0] & 0xff;
-	
-			uid = (uint32_t)bytes_to_num(resp->d.asBytes +  0, 4);
-			nt =  (uint32_t)bytes_to_num(resp->d.asBytes +  4, 4);
-			par_list = bytes_to_num(resp->d.asBytes +  8, 8);
-			ks_list = bytes_to_num(resp->d.asBytes +  16, 8);
+		cmdp++;
+	}
+
+	if (!disconnectAfter)
+		cm |= ISO14A_NO_DISCONNECT; 
 	
-			printf("\n\n");
-			PrintAndLog("isOk:%02x", isOK);
-			if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n");
-			break;
+	UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};
+	SendCommand(&c);
+
+	if (ISO14A_CONNECT & cm) {
+		UsbCommand resp;
+		WaitForResponse(CMD_ACK,&resp);
+		
+		iso14a_card_select_t card;
+		memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+
+		uint64_t select_status = resp.arg[0];		// 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
+		
+		if(select_status == 0) {
+			PrintAndLog("iso14443a card select failed");
+			return 1;
 		}
-	}	
-	printf("\n");
-	
-	// error
-	if (isOK != 1) return 1;
-	
-	// execute original function from util nonce2key
-	if (nonce2key(uid, nt, par_list, ks_list, &r_key)) return 2;
-	printf("-------------------------------------------------------------------------\n");
-	PrintAndLog("Key found:%012llx \n", r_key);
+
+		if(select_status == 3) {
+			PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
+			PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+			return 1;
+		}
+
+		PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+		PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+		PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
+		if(card.ats_len >= 3) {			// a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
+			PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
+		}
+		if (!disconnectAfter) {
+			PrintAndLog("Card is selected. You can now start sending commands");
+		}
+	}
+
+	if (disconnectAfter) {
+		PrintAndLog("Field dropped.");
+	}
 	
 	return 0;
 }
 
-int CmdHF14AMfWrBl(const char *Cmd)
+int CmdHF14AInfo(const char *Cmd)
 {
-	int i, temp;
-	uint8_t blockNo = 0;
-	uint8_t keyType = 0;
-	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-	uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-	
-	const char *cmdp	= Cmd;
-	const char *cmdpe	= Cmd;
+	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+	SendCommand(&c);
 
-	if (strlen(Cmd)<3) {
-		PrintAndLog("Usage:  hf 14 mfwrbl    <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
-		PrintAndLog("           sample: hf 14a mfwrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
-		return 0;
-	}	
-	PrintAndLog("l: %s", Cmd);
+	UsbCommand resp;
+	WaitForResponse(CMD_ACK,&resp);
 	
-	// skip spaces
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	blockNo = strtol(cmdp, NULL, 0) & 0xff;
+	iso14a_card_select_t card;
+	memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+
+	uint64_t select_status = resp.arg[0];		// 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
 	
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	if (*cmdp != 'A' && *cmdp != 'a')  {
-		keyType = 1;
+	if(select_status == 0) {
+		if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
+		// disconnect
+		c.arg[0] = 0;
+		c.arg[1] = 0;
+		c.arg[2] = 0;
+		SendCommand(&c);
+		return 0;
 	}
 
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-	// next value here:cmdpe
-	cmdpe = cmdp;
-	while (*cmdpe!=' ' && *cmdpe!='\t') cmdpe++;
-	while (*cmdpe==' ' || *cmdpe=='\t') cmdpe++;
-
-	if ((int)cmdpe - (int)cmdp != 13) {
-		PrintAndLog("Length of key must be 12 hex symbols");
+	if(select_status == 3) {
+		PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
+		PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+		// disconnect
+		c.arg[0] = 0;
+		c.arg[1] = 0;
+		c.arg[2] = 0;
+		SendCommand(&c);
 		return 0;
 	}
-	
-	for(i = 0; i < 6; i++) {
-		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-		key[i] = temp & 0xff;
-		cmdp++;
-		cmdp++;
-	}	
 
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+	PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+	PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+	PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
+
+	bool isMifareClassic = true;
+	switch (card.sak) {
+		case 0x00: 
+			isMifareClassic = false;
+
+			//***************************************test****************
+			// disconnect
+			c.arg[0] = 0;
+			c.arg[1] = 0;
+			c.arg[2] = 0;
+			SendCommand(&c);
+			
+			uint32_t tagT = GetHF14AMfU_Type();
+			ul_print_type(tagT, 0);
+
+			//reconnect for further tests
+			c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
+			c.arg[1] = 0;
+			c.arg[2] = 0;
+
+			SendCommand(&c);
+
+			UsbCommand resp;
+			WaitForResponse(CMD_ACK,&resp);
+			
+			memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+
+			select_status = resp.arg[0];		// 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
+			
+			if(select_status == 0) {
+				//PrintAndLog("iso14443a card select failed");
+				// disconnect
+				c.arg[0] = 0;
+				c.arg[1] = 0;
+				c.arg[2] = 0;
+				SendCommand(&c);
+				return 0;
+			}
+
+			/*  orig
+			// check if the tag answers to GETVERSION (0x60)
+			c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
+			c.arg[1] = 1;
+			c.arg[2] = 0;
+			c.d.asBytes[0] = 0x60;
+			SendCommand(&c);
+			WaitForResponse(CMD_ACK,&resp);
+
+			uint8_t version[10] = {0};
+			memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
+			uint8_t len = resp.arg[0] & 0xff;
+			switch ( len ){
+				// todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
+				// UL-EV1, size, check version[6] == 0x0b (smaller)  0x0b * 4 == 48
+				case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
+				case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
+				case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;	
+			}
+			*/
+			break;
+		case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
+		case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
+		case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
+		case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
+		case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
+		case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
+		case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
+		case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
+		case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
+		case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
+		case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
+		case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
+		case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
+		default: ;
+	}
 
-	if (strlen(cmdp) != 32) {
-		PrintAndLog("Length of block data must be 32 hex symbols");
-		return 0;
+	// Double & triple sized UID, can be mapped to a manufacturer.
+	// HACK: does this apply for Ultralight cards?
+	if ( card.uidlen > 4 ) {
+		PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
 	}
 
-	for(i = 0; i < 16; i++) {
-		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-		bldata[i] = temp & 0xff;
-		cmdp++;
-		cmdp++;
-	}	
-	PrintAndLog(" block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6));
-	PrintAndLog(" data: %s", sprint_hex(bldata, 16));
-	
-  UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
-	memcpy(c.d.asBytes, key, 6);
-	memcpy(c.d.asBytes + 10, bldata, 16);
-  SendCommand(&c);
-	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
+	// try to request ATS even if tag claims not to support it
+	if (select_status == 2) {
+		uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
+		c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
+		c.arg[1] = 2;
+		c.arg[2] = 0;
+		memcpy(c.d.asBytes, rats, 2);
+		SendCommand(&c);
+		WaitForResponse(CMD_ACK,&resp);
+		
+	    memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
+		card.ats_len = resp.arg[0];				// note: ats_len includes CRC Bytes
+	} 
 
-	if (resp != NULL) {
-		uint8_t                isOK  = resp->arg[0] & 0xff;
+	if(card.ats_len >= 3) {			// a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
+		bool ta1 = 0, tb1 = 0, tc1 = 0;
+		int pos;
 
-		PrintAndLog("isOk:%02x", isOK);
+		if (select_status == 2) {
+			PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
+		}
+		PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
+		PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
+		if (card.ats[0] != card.ats_len - 2) {
+			PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
+		}
+		
+		if (card.ats[0] > 1) {		// there is a format byte (T0)
+			ta1 = (card.ats[1] & 0x10) == 0x10;
+			tb1 = (card.ats[1] & 0x20) == 0x20;
+			tc1 = (card.ats[1] & 0x40) == 0x40;
+			int16_t fsci = card.ats[1] & 0x0f;
+			PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
+					"TC1 is%s present, FSCI is %d (FSC = %ld)",
+				(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
+				fsci,
+				fsci < 5 ? (fsci - 2) * 8 : 
+					fsci < 8 ? (fsci - 3) * 32 :
+					fsci == 8 ? 256 :
+					-1
+				);
+		}
+		pos = 2;
+		if (ta1) {
+			char dr[16], ds[16];
+			dr[0] = ds[0] = '\0';
+			if (card.ats[pos] & 0x10) strcat(ds, "2, ");
+			if (card.ats[pos] & 0x20) strcat(ds, "4, ");
+			if (card.ats[pos] & 0x40) strcat(ds, "8, ");
+			if (card.ats[pos] & 0x01) strcat(dr, "2, ");
+			if (card.ats[pos] & 0x02) strcat(dr, "4, ");
+			if (card.ats[pos] & 0x04) strcat(dr, "8, ");
+			if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
+			if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
+			PrintAndLog("       - TA1 : different divisors are%s supported, "
+					"DR: [%s], DS: [%s]",
+					(card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
+			pos++;
+		}
+		if (tb1) {
+			uint32_t sfgi = card.ats[pos] & 0x0F;
+			uint32_t fwi = card.ats[pos] >> 4;
+			PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
+					(sfgi),
+					sfgi ? "" : "(not needed) ",
+					sfgi ? (1 << 12) << sfgi : 0,
+					fwi,
+					(1 << 12) << fwi
+					);
+			pos++;
+		}
+		if (tc1) {
+			PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
+					(card.ats[pos] & 0x01) ? "" : " NOT",
+					(card.ats[pos] & 0x02) ? "" : " NOT");
+			pos++;
+		}
+		if (card.ats[0] > pos) {
+			char *tip = "";
+			if (card.ats[0] - pos >= 7) {
+				if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
+					tip = "-> MIFARE Plus X 2K or 4K";
+				} else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
+					tip = "-> MIFARE Plus S 2K or 4K";
+				}
+			} 
+			PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
+			if (card.ats[pos] == 0xC1) {
+				PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
+				PrintAndLog("                  %02x -> Length is %d bytes",
+						card.ats[pos + 1], card.ats[pos + 1]);
+				switch (card.ats[pos + 2] & 0xf0) {
+					case 0x10:
+						PrintAndLog("                     1x -> MIFARE DESFire");
+						break;
+					case 0x20:
+						PrintAndLog("                     2x -> MIFARE Plus");
+						break;
+				}
+				switch (card.ats[pos + 2] & 0x0f) {
+					case 0x00:
+						PrintAndLog("                     x0 -> <1 kByte");
+						break;
+					case 0x01:
+						PrintAndLog("                     x1 -> 1 kByte");
+						break;
+					case 0x02:
+						PrintAndLog("                     x2 -> 2 kByte");
+						break;
+					case 0x03:
+						PrintAndLog("                     x3 -> 4 kByte");
+						break;
+					case 0x04:
+						PrintAndLog("                     x4 -> 8 kByte");
+						break;
+				}
+				switch (card.ats[pos + 3] & 0xf0) {
+					case 0x00:
+						PrintAndLog("                        0x -> Engineering sample");
+						break;
+					case 0x20:
+						PrintAndLog("                        2x -> Released");
+						break;
+				}
+				switch (card.ats[pos + 3] & 0x0f) {
+					case 0x00:
+						PrintAndLog("                        x0 -> Generation 1");
+						break;
+					case 0x01:
+						PrintAndLog("                        x1 -> Generation 2");
+						break;
+					case 0x02:
+						PrintAndLog("                        x2 -> Generation 3");
+						break;
+				}
+				switch (card.ats[pos + 4] & 0x0f) {
+					case 0x00:
+						PrintAndLog("                           x0 -> Only VCSL supported");
+						break;
+					case 0x01:
+						PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported");
+						break;
+					case 0x0E:
+						PrintAndLog("                           xE -> no VCS command supported");
+						break;
+				}
+			}
+		}
 	} else {
-		PrintAndLog("Command execute timeout");
+		PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 	}
 
-	return 0;
+	
+	// try to see if card responses to "chinese magic backdoor" commands.
+	mfCIdentify();
+	
+	if (isMifareClassic) {		
+		switch(DetectClassicPrng()) {
+		case 0:
+			PrintAndLog("Prng detection: HARDEND (hardnested)");		
+			break;
+		case 1:
+			PrintAndLog("Prng detection: WEAK");
+			break;
+		default:
+			PrintAndLog("Prng detection error.");		
+		}
+	}
+	
+	return select_status;
 }
 
-int CmdHF14AMfRdBl(const char *Cmd)
+// Collect ISO14443 Type A UIDs
+int CmdHF14ACUIDs(const char *Cmd)
 {
-	int i, temp;
-	uint8_t blockNo = 0;
-	uint8_t keyType = 0;
-	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-	
-	const char *cmdp	= Cmd;
+	// requested number of UIDs
+	int n = atoi(Cmd);
+	// collect at least 1 (e.g. if no parameter was given)
+	n = n > 0 ? n : 1;
+
+	PrintAndLog("Collecting %d UIDs", n);
+	PrintAndLog("Start: %" PRIu64, msclock()/1000);
+	// repeat n times
+	for (int i = 0; i < n; i++) {
+		// execute anticollision procedure
+		UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_RATS, 0, 0}};
+		SendCommand(&c);
+    
+		UsbCommand resp;
+		WaitForResponse(CMD_ACK,&resp);
+
+		iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
+
+		// check if command failed
+		if (resp.arg[0] == 0) {
+			PrintAndLog("Card select failed.");
+		} else {
+			char uid_string[20];
+			for (uint16_t i = 0; i < card->uidlen; i++) {
+				sprintf(&uid_string[2*i], "%02X", card->uid[i]);
+			}
+			PrintAndLog("%s", uid_string);
+		}
+	}
+	PrintAndLog("End: %" PRIu64, msclock()/1000);
 
+	return 1;
+}
 
-	if (strlen(Cmd)<3) {
-		PrintAndLog("Usage:  hf 14 mfrdbl    <block number> <key A/B> <key (12 hex symbols)>");
-		PrintAndLog("           sample: hf 14a mfrdbl 0 A FFFFFFFFFFFF ");
-		return 0;
-	}	
+// ## simulate iso14443a tag
+// ## greg - added ability to specify tag UID
+int CmdHF14ASim(const char *Cmd)
+{
+	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
 	
-  // skip spaces
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	blockNo = strtol(cmdp, NULL, 0) & 0xff;
+	// Retrieve the tag type
+	uint8_t tagtype = param_get8ex(Cmd,0,0,10);
 	
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	if (*cmdp != 'A' && *cmdp != 'a')  {
-		keyType = 1;
-	}
-
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-	if (strlen(cmdp) != 12) {
-		PrintAndLog("Length of key must be 12 hex symbols");
-		return 0;
+	// When no argument was given, just print help message
+	if (tagtype == 0) {
+		PrintAndLog("");
+		PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
+		PrintAndLog("");
+		PrintAndLog("   syntax: hf 14a sim <type> <uid>");
+		PrintAndLog("    types: 1 = MIFARE Classic");
+		PrintAndLog("           2 = MIFARE Ultralight");
+		PrintAndLog("           3 = MIFARE Desfire");
+		PrintAndLog("           4 = ISO/IEC 14443-4");
+		PrintAndLog("           5 = MIFARE Tnp3xxx");		
+		PrintAndLog("");
+		return 1;
 	}
 	
-	for(i = 0; i < 6; i++) {
-		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-		key[i] = temp & 0xff;
-		cmdp++;
-		cmdp++;
-	}	
-	PrintAndLog(" block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6));
+	// Store the tag type
+	c.arg[0] = tagtype;
 	
-  UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
-	memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
-	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-
-	if (resp != NULL) {
-		uint8_t                isOK  = resp->arg[0] & 0xff;
-		uint8_t              * data  = resp->d.asBytes;
-
-		PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
+	// Retrieve the full 4 or 7 byte long uid 
+	uint64_t long_uid = param_get64ex(Cmd,1,0,16);
+
+	// Are we handling the (optional) second part uid?
+	if (long_uid > 0xffffffff) {
+		PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014" PRIx64 ")",long_uid);
+		// Store the second part
+		c.arg[2] = (long_uid & 0xffffffff);
+		long_uid >>= 32;
+		// Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
+		c.arg[1] = (long_uid & 0xffffff);
 	} else {
-		PrintAndLog("Command execute timeout");
+		PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
+		// Only store the first part
+		c.arg[1] = long_uid & 0xffffffff;
 	}
+/*
+		// At lease save the mandatory first part of the UID
+		c.arg[0] = long_uid & 0xffffffff;
 
+	if (c.arg[1] == 0) {
+		PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
+	}
+	
+	switch (c.arg[0]) {
+		case 1: {
+			PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
+			UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
+		} break;
+		case 2: {
+			PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
+		} break;
+		default: {
+			PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
+			PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
+			PrintAndLog(" type1: 4 ",c.arg[0]);
+
+			return 1;
+		} break;
+	}	
+*/
+/*
+  unsigned int hi = 0, lo = 0;
+  int n = 0, i = 0;
+  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+    hi= (hi << 4) | (lo >> 28);
+    lo= (lo << 4) | (n & 0xf);
+  }
+*/
+//	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
+//  PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
+  SendCommand(&c);
   return 0;
 }
 
-int CmdHF14AMfRdSc(const char *Cmd)
-{
-	int i, temp;
-	uint8_t sectorNo = 0;
-	uint8_t keyType = 0;
-	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
+int CmdHF14ASnoop(const char *Cmd) {
+	int param = 0;
 	
-	const char *cmdp	= Cmd;
-
-
-	if (strlen(Cmd)<3) {
-		PrintAndLog("Usage:  hf 14 mfrdsc    <sector number> <key A/B> <key (12 hex symbols)>");
-		PrintAndLog("           sample: hf 14a mfrdsc 0 A FFFFFFFFFFFF ");
+	uint8_t ctmp = param_getchar(Cmd, 0) ;
+	if (ctmp == 'h' || ctmp == 'H') {
+		PrintAndLog("It get data from the field and saves it into command buffer.");
+		PrintAndLog("Buffer accessible from command hf list 14a.");
+		PrintAndLog("Usage:  hf 14a snoop [c][r]");
+		PrintAndLog("c - triggered by first data from card");
+		PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
+		PrintAndLog("sample: hf 14a snoop c r");
 		return 0;
 	}	
 	
-  // skip spaces
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	sectorNo = strtol(cmdp, NULL, 0) & 0xff;
-	
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	if (*cmdp != 'A' && *cmdp != 'a')  {
-		keyType = 1;
+	for (int i = 0; i < 2; i++) {
+		ctmp = param_getchar(Cmd, i);
+		if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
+		if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
 	}
 
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+	UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
+	SendCommand(&c);
+	return 0;
+}
+
+void DropField() {
+	UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}}; 
+	SendCommand(&c);
+}
 
-	if (strlen(cmdp) != 12) {
-		PrintAndLog("Length of key must be 12 hex symbols");
-		return 0;
-	}
+int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+	uint16_t cmdc = 0;
 	
-	for(i = 0; i < 6; i++) {
-		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-		key[i] = temp & 0xff;
-		cmdp++;
-		cmdp++;
-	}	
-	PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
+	if (activateField) {
+		cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+	}
+	if (leaveSignalON)
+		cmdc |= ISO14A_NO_DISCONNECT;
+
+	// "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
+	// https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
+	// here length USB_CMD_DATA_SIZE=512
+	// timeout must be authomatically set by "get ATS"
+	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | cmdc, (datainlen & 0xFFFF), 0}}; 
+	memcpy(c.d.asBytes, datain, datainlen);
+	SendCommand(&c);
 	
-  UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
-	memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
-	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-	PrintAndLog(" ");
-
-	if (resp != NULL) {
-		uint8_t                isOK  = resp->arg[0] & 0xff;
-		uint8_t              * data  = resp->d.asBytes;
+    uint8_t *recv;
+    UsbCommand resp;
 
-		PrintAndLog("isOk:%02x", isOK);
-		for (i = 0; i < 2; i++) {
-			PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
+	if (activateField) {
+		if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+			PrintAndLog("APDU ERROR: Proxmark connection timeout.");
+			return 1;
+		}
+		if (resp.arg[0] != 1) {
+			PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);
+			return 1;
 		}
-	} else {
-		PrintAndLog("Command1 execute timeout");
 	}
 
-		// response2
-	resp = WaitForResponseTimeout(CMD_ACK, 500);
-	PrintAndLog(" ");
+    if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+        recv = resp.d.asBytes;
+        int iLen = resp.arg[0];
+		
+		*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) {
+			PrintAndLog("APDU ERROR: No APDU response.");
+            return 1;
+		}
 
-	if (resp != NULL) {
-		uint8_t              * data  = resp->d.asBytes;
+		// check block TODO
+		if (iLen == -2) {
+			PrintAndLog("APDU ERROR: Block type mismatch.");
+			return 2;
+		}
+		
+		// CRC Check
+		if (iLen == -1) {
+			PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
+			return 3;
+		}
 
-		for (i = 0; i < 2; i++) {
-			PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
+		// check apdu length
+		if (iLen < 4) {
+			PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
+			return 2;
 		}
-	} else {
-		PrintAndLog("Command2 execute timeout");
-	}
+		
+    } else {
+        PrintAndLog("APDU ERROR: Reply timeout.");
+		return 4;
+    }
 	
-  return 0;
+	return 0;
 }
 
-int CmdHF14AMfNested(const char *Cmd)
-{
-	int i, temp;
-	uint8_t sectorNo = 0;
-	uint8_t keyType = 0;
-	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
+// ISO14443-4. 7. Half-duplex block transmission protocol
+int CmdHF14AAPDU(const char *cmd) {
+	uint8_t data[USB_CMD_DATA_SIZE];
+	int datalen = 0;
+	bool activateField = false;
+	bool leaveSignalON = false;
+	bool decodeTLV = false;
 	
-	const char *cmdp	= Cmd;
-
-
-	if (strlen(Cmd)<3) {
-		PrintAndLog("Usage:  hf 14a nested    <sector number> <key A/B> <key (12 hex symbols)>");
-		PrintAndLog("           sample: hf 14a nested 0 A FFFFFFFFFFFF ");
+	if (strlen(cmd) < 2) {
+		PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] <APDU (hex)>");
+		PrintAndLog("Command sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)");
+		PrintAndLog("       -s    activate field and select card");
+		PrintAndLog("       -k    leave the signal field ON after receive response");
+		PrintAndLog("       -t    executes TLV decoder if it possible. TODO!!!!");
 		return 0;
-	}	
-	
-  // skip spaces
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	sectorNo = strtol(cmdp, NULL, 0) & 0xff;
-	
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-	if (*cmdp != 'A' && *cmdp != 'a')  {
-		keyType = 1;
 	}
 
-	// next value
-	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-	if (strlen(cmdp) != 12) {
-		PrintAndLog("Length of key must be 12 hex symbols");
-		return 0;
-	}
-	
-	for(i = 0; i < 6; i++) {
-		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-		key[i] = temp & 0xff;
-		cmdp++;
+	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 's':
+				case 'S':
+					activateField = true;
+					break;
+				case 'k':
+				case 'K':
+					leaveSignalON = 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)) {
+			// len = data + PCB(1b) + CRC(2b)
+			switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) {
+			case 1:
+				PrintAndLog("Invalid HEX value.");
+				return 1;
+			case 2:
+				PrintAndLog("APDU 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++;
-	}	
-	PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
+	}
+
+	PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
 	
-  UsbCommand c = {CMD_MIFARE_NESTED, {sectorNo, keyType, 0}};
-	memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
-	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-	PrintAndLog(" ");
+	int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
 
-	if (resp != NULL) {
-		uint8_t                isOK  = resp->arg[0] & 0xff;
-		uint8_t              * data  = resp->d.asBytes;
+	if (res)
+		return res;
 
-		PrintAndLog("isOk:%02x", isOK);
-		for (i = 0; i < 2; i++) {
-			PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
-		}
-	} else {
-		PrintAndLog("Command execute timeout");
-	}
+	PrintAndLog("<<<< %s", sprint_hex(data, datalen));
+	
+	PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1])); 
 
-  return 0;
+	// TLV decoder
+	if (decodeTLV && datalen > 4) {
+		TLVPrintFromBuffer(data, datalen - 2);
+	}
+	
+	return 0;
 }
 
-int CmdHF14AMf1kSim(const char *Cmd)
-{
-	int i, temp;
-	uint8_t uid[4] = {0, 0, 0, 0};
-	
-	const char *cmdp	= Cmd;
+int CmdHF14ACmdRaw(const char *cmd) {
+	UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+	bool reply=1;
+	bool crc = false;
+	bool power = false;
+	bool active = false;
+	bool active_select = false;
+	bool no_rats = false;
+	uint16_t numbits = 0;
+	bool bTimeout = false;
+	uint32_t timeout = 0;
+	bool topazmode = false;
+	char buf[5]="";
+	int i = 0;
+	uint8_t data[USB_CMD_DATA_SIZE];
+	uint16_t datalen = 0;
+	uint32_t temp;
+
+	if (strlen(cmd)<2) {
+		PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
+		PrintAndLog("       -r    do not read response");
+		PrintAndLog("       -c    calculate and append CRC");
+		PrintAndLog("       -p    leave the signal field ON after receive");
+		PrintAndLog("       -a    active signal field ON without select");
+		PrintAndLog("       -s    active signal field ON with select");
+		PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
+		PrintAndLog("       -t    timeout in ms");
+		PrintAndLog("       -T    use Topaz protocol to send command");
+		PrintAndLog("       -3    ISO14443-3 select only (skip RATS)");
+		return 0;
+	}
 
 
-	if (strlen(Cmd)<3) {
-		PrintAndLog("Usage:  hf 14a mfsim  <uid (8 hex symbols)>");
-		PrintAndLog("           sample: hf 14a mfsim 0a0a0a0a ");
+	// strip
+	while (*cmd==' ' || *cmd=='\t') cmd++;
+
+	while (cmd[i]!='\0') {
+		if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
+		if (cmd[i]=='-') {
+			switch (cmd[i+1]) {
+				case 'r': 
+					reply = false;
+					break;
+				case 'c':
+					crc = true;
+					break;
+				case 'p':
+					power = true;
+					break;
+				case 'a':
+					active = true;
+					break;
+				case 's':
+					active_select = true;
+					break;
+				case 'b': 
+					sscanf(cmd+i+2,"%d",&temp);
+					numbits = temp & 0xFFFF;
+					i+=3;
+					while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+					i-=2;
+					break;
+				case 't':
+					bTimeout = true;
+					sscanf(cmd+i+2,"%d",&temp);
+					timeout = temp;
+					i+=3;
+					while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+					i-=2;
+					break;
+				case 'T':
+					topazmode = true;
+					break;
+				case '3':
+					no_rats = true;
+					break;
+				default:
+					PrintAndLog("Invalid option");
+					return 0;
+			}
+			i+=2;
+			continue;
+		}
+		if ((cmd[i]>='0' && cmd[i]<='9') ||
+		    (cmd[i]>='a' && cmd[i]<='f') ||
+		    (cmd[i]>='A' && cmd[i]<='F') ) {
+			buf[strlen(buf)+1]=0;
+			buf[strlen(buf)]=cmd[i];
+			i++;
+
+			if (strlen(buf)>=2) {
+				sscanf(buf,"%x",&temp);
+				data[datalen]=(uint8_t)(temp & 0xff);
+				*buf=0;
+				if (datalen > sizeof(data)-1) {
+					if (crc)
+						PrintAndLog("Buffer is full, we can't add CRC to your data");
+					break;
+				} else {
+					datalen++;
+				}
+			}
+			continue;
+		}
+		PrintAndLog("Invalid char on input");
 		return 0;
-	}	
-	
-  // skip spaces
-	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+	}
 
-	if (strlen(cmdp) != 8) {
-		PrintAndLog("Length of UID must be 8 hex symbols");
-		return 0;
+	if(crc && datalen>0 && datalen<sizeof(data)-2)
+	{
+		uint8_t first, second;
+		if (topazmode) {
+			ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
+		} else {
+			ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+		}
+		data[datalen++] = first;
+		data[datalen++] = second;
 	}
-	
-	for(i = 0; i < 4; i++) {
-		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-		uid[i] = temp & 0xff;
-		cmdp++;
-		cmdp++;
-	}	
-	PrintAndLog(" uid:%s ", sprint_hex(uid, 4));
-	
-  UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {0, 0, 0}};
-	memcpy(c.d.asBytes, uid, 6);
-  SendCommand(&c);
 
-  return 0;
-}
+	if(active || active_select)
+	{
+		c.arg[0] |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+		if(active)
+			c.arg[0] |= ISO14A_NO_SELECT;
+	}
 
+	if(bTimeout){
+		#define MAX_TIMEOUT 40542464 	// = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
+		c.arg[0] |= ISO14A_SET_TIMEOUT;
+		if(timeout > MAX_TIMEOUT) {
+			timeout = MAX_TIMEOUT;
+			PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
+		}
+		c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
+	}
 
-int CmdHF14AReader(const char *Cmd)
-{
-	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
-	SendCommand(&c);
-	UsbCommand * resp = WaitForResponse(CMD_ACK);
-	uint8_t              * uid  = resp->d.asBytes;
-	iso14a_card_select_t * card = uid + 12;
+	if(power) {
+		c.arg[0] |= ISO14A_NO_DISCONNECT;
+	}
 
-	if(resp->arg[0] == 0) {
-		PrintAndLog("iso14443a card select failed");
-		return 0;
+	if(datalen > 0) {
+		c.arg[0] |= ISO14A_RAW;
 	}
 
-	PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
-	PrintAndLog(" UID : %s", sprint_hex(uid, 12));
-	PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);
-	if(resp->arg[0] == 1)
-		PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
-	else
-		PrintAndLog("proprietary non-iso14443a card found, RATS not supported");
+	if(topazmode) {
+		c.arg[0] |= ISO14A_TOPAZMODE;
+	}
 
-	return resp->arg[0];
-}
+	if(no_rats) {
+		c.arg[0] |= ISO14A_NO_RATS;
+	}
 
-// ## simulate iso14443a tag
-// ## greg - added ability to specify tag UID
-int CmdHF14ASim(const char *Cmd)
-{                                 
+	// Max buffer is USB_CMD_DATA_SIZE (512)
+	c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
+	memcpy(c.d.asBytes,data,datalen);
 
-  unsigned int hi = 0, lo = 0;
-  int n = 0, i = 0;
-  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
-    hi= (hi << 4) | (lo >> 28);
-    lo= (lo << 4) | (n & 0xf);
-  }
+	SendCommand(&c);
 
-  // c.arg should be set to *Cmd or convert *Cmd to the correct format for a uid
-  UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}};
-  PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo);
-  SendCommand(&c);
-  return 0;
+	if (reply) {
+		int res = 0;
+		if (active_select)
+			res = waitCmd(1);
+		if (!res && datalen > 0)
+			waitCmd(0);
+	} // if reply
+	return 0;
 }
 
-int CmdHF14ASnoop(const char *Cmd)
-{
-  UsbCommand c = {CMD_SNOOP_ISO_14443a};
-  SendCommand(&c);
-  return 0;
+
+static int waitCmd(uint8_t iSelect) {
+    uint8_t *recv;
+    UsbCommand resp;
+    char *hexout;
+
+    if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+        recv = resp.d.asBytes;
+        uint8_t iLen = resp.arg[0];
+		if (iSelect){
+			iLen = resp.arg[1];
+			if (iLen){
+				PrintAndLog("Card selected. UID[%i]:", iLen);
+			} else {
+				PrintAndLog("Can't select card.");
+			}
+		} else {
+			PrintAndLog("received %i bytes:", iLen);
+		}
+        if(!iLen)
+            return 1;
+        hexout = (char *)malloc(iLen * 3 + 1);
+        if (hexout != NULL) {
+            for (int i = 0; i < iLen; i++) { // data in hex
+                sprintf(&hexout[i * 3], "%02X ", recv[i]);
+            }
+            PrintAndLog("%s", hexout);
+            free(hexout);
+        } else {
+            PrintAndLog("malloc failed your client has low memory?");
+			return 2;
+        }
+    } else {
+        PrintAndLog("timeout while waiting for reply.");
+		return 3;
+    }
+	return 0;
 }
 
 static command_t CommandTable[] = 
 {
-  {"help",   CmdHelp,          1, "This help"},
-  {"list",   CmdHF14AList,     0, "List ISO 14443a history"},
-  {"mifare", CmdHF14AMifare,   0, "Read out sector 0 parity error messages. param - <used card nonce>"},
-  {"mfrdbl", CmdHF14AMfRdBl,   0, "Read MIFARE classic block"},
-  {"mfrdsc", CmdHF14AMfRdSc,   0, "Read MIFARE classic sector"},
-  {"mfwrbl", CmdHF14AMfWrBl,   0, "Write MIFARE classic block"},
-  {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
-  {"mfsim",  CmdHF14AMf1kSim,  0, "Simulate MIFARE 1k card - NOT WORKING!!!"},
-  {"reader", CmdHF14AReader,   0, "Act like an ISO14443 Type A reader"},
-  {"sim",    CmdHF14ASim,      0, "<UID> -- Fake ISO 14443a tag"},
-  {"snoop",  CmdHF14ASnoop,    0, "Eavesdrop ISO 14443 Type A"},
+  {"help",   CmdHelp,              1, "This help"},
+  {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
+  {"reader", CmdHF14AReader,       0, "Start acting like an ISO14443 Type A reader"},
+  {"info",   CmdHF14AInfo,         0, "Reads card and shows information about it"},
+  {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
+  {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
+  {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
+  {"apdu",   CmdHF14AAPDU,         0, "Send an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol"},
+  {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
 
-int CmdHF14A(const char *Cmd)
-{
+int CmdHF14A(const char *Cmd) {
+	// flush
+	WaitForResponseTimeout(CMD_ACK,NULL,100);
+
+	// parse
   CmdsParse(CommandTable, Cmd);
   return 0;
 }