X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/8d7d7b618777fddcde8897945f2ec42eb85095e2..8efd0b80f2d11946b2fc0911cde939f9f93eb40f:/client/cmdsmartcard.c

diff --git a/client/cmdsmartcard.c b/client/cmdsmartcard.c
index 4258989c..b0d96f13 100644
--- a/client/cmdsmartcard.c
+++ b/client/cmdsmartcard.c
@@ -13,14 +13,22 @@
 
 #include "ui.h"
 #include "cmdparser.h"
+#include "proxmark3.h"
 #include "util.h"
 #include "smartcard.h"
 #include "comms.h"
 #include "protocols.h"
-#include "cmdhf.h"              // CmdHFlist
+#include "cmdhw.h"
+#include "cmdhflist.h"
 #include "emv/apduinfo.h"       // APDUcode description
 #include "emv/emvcore.h"        // decodeTVL
+#include "crypto/libpcrypto.h"	// sha512hash
+#include "emv/dump.h"			// dump_buffer
+#include "pcsc.h"
 
+#define SC_UPGRADE_FILES_DIRECTORY          "sc_upgrade_firmware/"
+
+static bool UseAlternativeSmartcardReader = false;	// default: use PM3 RDV40 Smartcard Slot (if available)
 
 static int CmdHelp(const char *Cmd);
 
@@ -28,14 +36,25 @@ static int usage_sm_raw(void) {
 	PrintAndLogEx(NORMAL, "Usage: sc raw [h|r|c] d <0A 0B 0C ... hex>");
 	PrintAndLogEx(NORMAL, "       h          :  this help");
 	PrintAndLogEx(NORMAL, "       r          :  do not read response");
-	PrintAndLogEx(NORMAL, "       a          :  active smartcard without select");
-	PrintAndLogEx(NORMAL, "       s          :  active smartcard with select");
+	PrintAndLogEx(NORMAL, "       a          :  active smartcard without select (reset sc module)");
+	PrintAndLogEx(NORMAL, "       s          :  active smartcard with select (get ATR)");
 	PrintAndLogEx(NORMAL, "       t          :  executes TLV decoder if it possible");
+	PrintAndLogEx(NORMAL, "       0          :  use protocol T=0");
 	PrintAndLogEx(NORMAL, "       d <bytes>  :  bytes to send");
 	PrintAndLogEx(NORMAL, "");
 	PrintAndLogEx(NORMAL, "Examples:");
-	PrintAndLogEx(NORMAL, "        sc raw d 00a404000e315041592e5359532e444446303100    - `1PAY.SYS.DDF01` PPSE directory");
-	PrintAndLogEx(NORMAL, "        sc raw d 00a404000e325041592e5359532e444446303100    - `2PAY.SYS.DDF01` PPSE directory");
+	PrintAndLogEx(NORMAL, "        sc raw s 0 d 00a404000e315041592e5359532e4444463031  - `1PAY.SYS.DDF01` PSE directory with get ATR");
+	return 0;
+}
+
+static int usage_sm_select(void) {
+	PrintAndLogEx(NORMAL, "Usage: sc select [h|<reader name>] ");
+	PrintAndLogEx(NORMAL, "       h             :  this help");
+	PrintAndLogEx(NORMAL, "       <reader name> :  a card reader's name, wildcards allowed, leave empty to pick from available readers");
+	PrintAndLogEx(NORMAL, "");
+	PrintAndLogEx(NORMAL, "Examples:");
+	PrintAndLogEx(NORMAL, "        sc select          : list available card readers and pick");
+	PrintAndLogEx(NORMAL, "        sc select Gemalto* : select a connected Gemalto card reader" );
 	return 0;
 }
 
@@ -60,13 +79,13 @@ static int usage_sm_info(void) {
 }
 
 static int usage_sm_upgrade(void) {
-	PrintAndLogEx(NORMAL, "Upgrade firmware");
+	PrintAndLogEx(NORMAL, "Upgrade RDV4.0 Smartcard Socket Firmware");
 	PrintAndLogEx(NORMAL, "Usage:  sc upgrade f <file name>");
 	PrintAndLogEx(NORMAL, "       h               :  this help");
 	PrintAndLogEx(NORMAL, "       f <filename>    :  firmware file name");
 	PrintAndLogEx(NORMAL, "");
 	PrintAndLogEx(NORMAL, "Examples:");
-	PrintAndLogEx(NORMAL, "        sc upgrade f myfile");
+	PrintAndLogEx(NORMAL, "        sc upgrade f SIM010.BIN");
 	return 0;
 }
 
@@ -90,87 +109,321 @@ static int usage_sm_brute(void) {
 	return 0;
 }
 
-static bool smart_select(bool silent) {
-	UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
-	clearCommandBuffer();
-	SendCommand(&c);
-	UsbCommand resp;
-	if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
-		if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
-		return false;
+uint8_t GetATRTA1(uint8_t *atr, size_t atrlen) {
+	if (atrlen > 2) {
+		uint8_t T0 = atr[1];
+		if (T0 & 0x10)
+			return atr[2];
 	}
 
-	uint8_t isok = resp.arg[0] & 0xFF;
-	if (!isok) {
+	return 0x11; // default value is 0x11, corresponding to fmax=5 MHz, Fi=372, Di=1.
+}
+
+int DiArray[] = {
+	0,  // b0000 RFU
+	1,  // b0001
+	2,
+	4,
+	8,
+	16,
+	32,  // b0110
+	64,  // b0111. This was RFU in ISO/IEC 7816-3:1997 and former. Some card readers or drivers may erroneously reject cards using this value
+	12,
+	20,
+	0,   // b1010 RFU
+	0,
+	0,   // ...
+	0,
+	0,
+	0    // b1111 RFU
+};
+
+int FiArray[] = {
+	372,    // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock
+	372,    // b0001
+	558,    // b0010
+	744,    // b0011
+	1116,   // b0100
+	1488,   // b0101
+	1860,   // b0110
+	0,      // b0111 RFU
+	0,      // b1000 RFU
+	512,    // b1001
+	768,    // b1010
+	1024,   // b1011
+	1536,   // b1100
+	2048,   // b1101
+	0,      // b1110 RFU
+	0       // b1111 RFU
+};
+
+float FArray[] = {
+	4,    // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock
+	5,    // b0001
+	6,    // b0010
+	8,    // b0011
+	12,   // b0100
+	16,   // b0101
+	20,   // b0110
+	0,    // b0111 RFU
+	0,    // b1000 RFU
+	5,    // b1001
+	7.5,  // b1010
+	10,   // b1011
+	15,   // b1100
+	20,   // b1101
+	0,    // b1110 RFU
+	0     // b1111 RFU
+};
+
+static int GetATRDi(uint8_t *atr, size_t atrlen) {
+	uint8_t TA1 = GetATRTA1(atr, atrlen);
+
+	return DiArray[TA1 & 0x0f];  // The 4 low-order bits of TA1 (4th MSbit to 1st LSbit) encode Di
+}
+
+static int GetATRFi(uint8_t *atr, size_t atrlen) {
+	uint8_t TA1 = GetATRTA1(atr, atrlen);
+
+	return FiArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
+}
+
+static float GetATRF(uint8_t *atr, size_t atrlen) {
+	uint8_t TA1 = GetATRTA1(atr, atrlen);
+
+	return FArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
+}
+
+static int PrintATR(uint8_t *atr, size_t atrlen) {
+
+	uint8_t T0 = atr[1];
+	uint8_t K = T0 & 0x0F;
+	uint8_t TD1 = 0, T1len = 0, TD1len = 0, TDilen = 0;
+	bool protocol_T0_present = true;
+	bool protocol_T15_present = false;
+
+	if (T0 & 0x10) {
+		PrintAndLog("\t- TA1 (Maximum clock frequency, proposed bit duration) [ 0x%02x ]", atr[2 + T1len]);
+		T1len++;
+	}
+	
+	if (T0 & 0x20) {
+		PrintAndLog("\t- TB1 (Deprecated: VPP requirements) [ 0x%02x ]", atr[2 + T1len]);
+		T1len++;
+	}
+	
+	if (T0 & 0x40) {
+		PrintAndLog("\t- TC1 (Extra delay between bytes required by card) [ 0x%02x ]", atr[2 + T1len]);
+		T1len++;
+	}
+	
+	if (T0 & 0x80) {
+		TD1 = atr[2 + T1len];
+		PrintAndLog("\t- TD1 (First offered transmission protocol, presence of TA2..TD2) [ 0x%02x ] Protocol T%d", TD1, TD1 & 0x0f);
+		protocol_T0_present = false;
+		if ((TD1 & 0x0f) == 0) {
+			protocol_T0_present = true;
+		}
+		if ((TD1 & 0x0f) == 15) {
+			protocol_T15_present = true;
+		}
+		
+		T1len++;
+
+		if (TD1 & 0x10) {
+			PrintAndLog("\t- TA2 (Specific protocol and parameters to be used after the ATR) [ 0x%02x ]", atr[2 + T1len + TD1len]);
+			TD1len++;
+		}
+		if (TD1 & 0x20) {
+			PrintAndLog("\t- TB2 (Deprecated: VPP precise voltage requirement) [ 0x%02x ]", atr[2 + T1len + TD1len]);
+			TD1len++;
+		}
+		if (TD1 & 0x40) {
+			PrintAndLog("\t- TC2 (Maximum waiting time for protocol T=0) [ 0x%02x ]", atr[2 + T1len + TD1len]);
+			TD1len++;
+		}
+		if (TD1 & 0x80) {
+			uint8_t TDi = atr[2 + T1len + TD1len];
+			PrintAndLog("\t- TD2 (A supported protocol or more global parameters, presence of TA3..TD3) [ 0x%02x ] Protocol T%d", TDi, TDi & 0x0f);
+			if ((TDi & 0x0f) == 0) {
+				protocol_T0_present = true;
+			}
+			if ((TDi & 0x0f) == 15) {
+				protocol_T15_present = true;
+			}
+			TD1len++;
+
+			bool nextCycle = true;
+			uint8_t vi = 3;
+			while (nextCycle) {
+				nextCycle = false;
+				if (TDi & 0x10) {
+					PrintAndLog("\t- TA%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
+					TDilen++;
+				}
+				if (TDi & 0x20) {
+					PrintAndLog("\t- TB%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
+					TDilen++;
+				}
+				if (TDi & 0x40) {
+					PrintAndLog("\t- TC%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
+					TDilen++;
+				}
+				if (TDi & 0x80) {
+					TDi = atr[2 + T1len + TD1len + TDilen];
+					PrintAndLog("\t- TD%d [ 0x%02x ] Protocol T%d", vi, TDi, TDi & 0x0f);
+					TDilen++;
+
+					nextCycle = true;
+					vi++;
+				}
+			}
+		}
+	}
+
+	if (!protocol_T0_present || protocol_T15_present) { // there is CRC Check Byte TCK
+		uint8_t vxor = 0;
+		for (int i = 1; i < atrlen; i++)
+			vxor ^= atr[i];
+		
+		if (vxor)
+			PrintAndLogEx(WARNING, "Check sum error. Must be 0 got 0x%02X", vxor);
+		else
+			PrintAndLogEx(INFO, "Check sum OK.");
+	}
+	
+	if (atr[0] != 0x3b)
+		PrintAndLogEx(WARNING, "Not a direct convention [ 0x%02x ]", atr[0]);
+
+	uint8_t calen = 2 + T1len + TD1len + TDilen + K;
+
+	if (atrlen != calen && atrlen != calen + 1)  // may be CRC
+		PrintAndLogEx(ERR, "ATR length error. len: %d, T1len: %d, TD1len: %d, TDilen: %d, K: %d", atrlen, T1len, TD1len, TDilen, K);
+
+	if (K > 0)
+		PrintAndLogEx(INFO, "\nHistorical bytes | len %02d | format %02x", K, atr[2 + T1len + TD1len + TDilen]);
+	
+	if (K > 1) {
+		PrintAndLogEx(INFO, "\tHistorical bytes");
+		dump_buffer(&atr[2 + T1len + TD1len + TDilen], K, NULL, 1);
+	}
+
+	return 0;
+}
+
+bool smart_getATR(smart_card_atr_t *card)
+{
+	if (UseAlternativeSmartcardReader) {
+		return pcscGetATR(card);
+	} else {
+		UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
+		SendCommand(&c);
+
+		UsbCommand resp;
+		if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
+			return false;
+		}
+
+		if (resp.arg[0] & 0xff) {
+			return resp.arg[0] & 0xFF;
+		}
+
+		memcpy(card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
+
+		return true;
+	}
+}
+
+static bool smart_select(bool silent) {
+
+	smart_card_atr_t card;
+	if (!smart_getATR(&card)) {
 		if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
 		return false;
 	}
 
 	if (!silent) {
-		smart_card_atr_t card;
-		memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
-
 		PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
 	}
 
 	return true;
 }
 
-static int smart_wait(uint8_t *data) {
-	UsbCommand resp;
-	if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
-		PrintAndLogEx(WARNING, "smart card response failed");
-		return -1;
+
+static void smart_transmit(uint8_t *data, uint32_t data_len, uint32_t flags, uint8_t *response, int *response_len, uint32_t max_response_len)
+{
+	// PrintAndLogEx(SUCCESS, "C-TPDU>>>> %s", sprint_hex(data, data_len));
+	if (UseAlternativeSmartcardReader) {
+		*response_len = max_response_len;
+		pcscTransmit(data, data_len, flags, response, response_len);
+	} else {
+		UsbCommand c = {CMD_SMART_RAW, {flags, data_len, 0}};
+		memcpy(c.d.asBytes, data, data_len);
+		SendCommand(&c);
+
+		if (!WaitForResponseTimeout(CMD_ACK, &c, 2500)) {
+			PrintAndLogEx(WARNING, "smart card response timeout");
+			*response_len = -1;
+			return;
+		}
+
+		*response_len = c.arg[0];
+		if (*response_len > 0) {
+			memcpy(response, c.d.asBytes, *response_len);
+		}
 	}
 
-	uint32_t len = resp.arg[0];
-	if ( !len ) {
+	if (*response_len <= 0) {
 		PrintAndLogEx(WARNING, "smart card response failed");
-		return -2;
+		*response_len = -2;
+		return;
 	}
-	memcpy(data, resp.d.asBytes, len);
-	PrintAndLogEx(SUCCESS, " %d | %s", len, sprint_hex_inrow_ex(data,  len, 32));
 
-	if (len >= 2) {
-		PrintAndLogEx(SUCCESS, "%02X%02X | %s", data[len - 2], data[len - 1], GetAPDUCodeDescription(data[len - 2], data[len - 1]));
+	if (*response_len < 2) {
+		// PrintAndLogEx(SUCCESS, "R-TPDU  %02X | ", response[0]);
+		return;
 	}
-	return len;
-}
 
-static int smart_response(uint8_t *data) {
+	// PrintAndLogEx(SUCCESS, "R-TPDU<<<< %s", sprint_hex(response, *response_len));
+	// PrintAndLogEx(SUCCESS, "R-TPDU SW %02X%02X | %s", response[*response_len-2], response[*response_len-1], GetAPDUCodeDescription(response[*response_len-2], response[*response_len-1]));
+}
 
-	int len = -1;
-	int datalen = smart_wait(data);
 
-	if ( data[datalen - 2] == 0x61 || data[datalen - 2] == 0x9F ) {
-		len = data[datalen - 1];
+static int CmdSmartSelect(const char *Cmd)
+{
+	const char *readername;
+	
+	if (tolower(param_getchar(Cmd, 0)) == 'h') {
+		return usage_sm_select();
 	}
-
-	if (len == -1 ) {
-		goto out;
+	
+	if (!PM3hasSmartcardSlot() && !pcscCheckForCardReaders()) {
+		PrintAndLogEx(WARNING, "No Smartcard Readers available");
+		UseAlternativeSmartcardReader = false;
+		return 1;
+	}
+	
+	int bg, en;
+	if (param_getptr(Cmd, &bg, &en, 0)) {
+		UseAlternativeSmartcardReader = pcscSelectAlternativeCardReader(NULL);
+	} else {
+		readername = Cmd + bg;
+		UseAlternativeSmartcardReader = pcscSelectAlternativeCardReader(readername);
 	}
 
-	PrintAndLogEx(INFO, "Requesting response. len=0x%x", len);
-	uint8_t getstatus[] = {ISO7816_GETSTATUS, 0x00, 0x00, len};
-	UsbCommand cStatus = {CMD_SMART_RAW, {SC_RAW, sizeof(getstatus), 0}};
-	memcpy(cStatus.d.asBytes, getstatus, sizeof(getstatus) );
-	clearCommandBuffer();
-	SendCommand(&cStatus);
-
-	datalen = smart_wait(data);
-out:
-
-	return datalen;
+	return 0;
 }
 
-int CmdSmartRaw(const char *Cmd) {
+
+static int CmdSmartRaw(const char *Cmd) {
 
 	int hexlen = 0;
 	bool active = false;
 	bool active_select = false;
+    bool useT0 = false;	
 	uint8_t cmdp = 0;
 	bool errors = false, reply = true, decodeTLV = false, breakloop = false;
-	uint8_t data[USB_CMD_DATA_SIZE] = {0x00};
+	uint8_t data[ISO7816_MAX_FRAME_SIZE] = {0x00};
 
 	while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
 		switch (tolower(param_getchar(Cmd, cmdp))) {
@@ -191,6 +444,10 @@ int CmdSmartRaw(const char *Cmd) {
 			decodeTLV = true;
 			cmdp++;
 			break;
+		case '0':
+			useT0 = true;
+			cmdp++;
+			break;			
 		case 'd': {
 			switch (param_gethex_to_eol(Cmd, cmdp+1, data, sizeof(data), &hexlen)) {
 			case 1:
@@ -220,87 +477,112 @@ int CmdSmartRaw(const char *Cmd) {
 	//Validations
 	if (errors || cmdp == 0 ) return usage_sm_raw();
 
-	// arg0 = RFU flags
-	// arg1 = length
-	UsbCommand c = {CMD_SMART_RAW, {0, hexlen, 0}};
-
+	uint32_t flags = 0;
+	uint32_t protocol = 0;
 	if (active || active_select) {
-        c.arg[0] |= SC_CONNECT;
-        if (active_select)
-            c.arg[0] |= SC_SELECT;
-    }
-
+		flags |= SC_CONNECT;
+		if (active_select)
+			flags |= SC_SELECT;
+	}
 	if (hexlen > 0) {
-        c.arg[0] |= SC_RAW;
+		if (useT0)
+			protocol = SC_RAW_T0;
+		else
+			protocol = SC_RAW;
 	}
-
-	memcpy(c.d.asBytes, data, hexlen );
-	clearCommandBuffer();
-	SendCommand(&c);
+	
+	int response_len = 0;
+	uint8_t *response = NULL;
+	if (reply) {
+		response = calloc(ISO7816_MAX_FRAME_SIZE, sizeof(uint8_t));
+		if ( !response )
+			return 1;
+	}
+	
+	smart_transmit(data, hexlen, flags|protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
 
 	// reading response from smart card
 	if ( reply ) {
-
-		uint8_t* buf = calloc(USB_CMD_DATA_SIZE, sizeof(uint8_t));
-		if ( !buf )
-			return 1;
-
-		int len = smart_response(buf);
-		if ( len < 0 ) {
-			free(buf);
+		if ( response_len < 0 ) {
+			free(response);
 			return 2;
 		}
 
-		if ( buf[0] == 0x6C ) {
-			data[4]	= buf[1];
-
-			memcpy(c.d.asBytes, data, sizeof(data) );
-			clearCommandBuffer();
-			SendCommand(&c);
-			len = smart_response(buf);
-
+		if ( response[0] == 0x6C ) {
+			data[4] = response[1];
+			smart_transmit(data, hexlen, protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
 			data[4] = 0;
 		}
 
-		if (decodeTLV && len > 4)
-			TLVPrintFromBuffer(buf+1, len-3);
+		if (decodeTLV && response_len > 4)
+			TLVPrintFromBuffer(response, response_len-2);
 
-		free(buf);
+		free(response);
 	}
 	return 0;
 }
 
-int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
-	*dataoutlen = 0;
+
+int ExchangeAPDUSC(uint8_t *APDU, int APDUlen, bool activateCard, bool leaveSignalON, uint8_t *response, int maxresponselen, int *responselen) 
+{
+	uint8_t TPDU[ISO7816_MAX_FRAME_SIZE];
+	
+	*responselen = 0;
 
 	if (activateCard)
 		smart_select(false);
-	printf("* APDU SC\n");
 
-	UsbCommand c = {CMD_SMART_RAW, {SC_RAW | SC_CONNECT, datainlen, 0}};
+	uint32_t flags = SC_RAW_T0;
 	if (activateCard) {
-		c.arg[0] |= SC_SELECT;
+		flags |= SC_SELECT | SC_CONNECT;
 	}
-	memcpy(c.d.asBytes, datain, datainlen);
-	clearCommandBuffer();
-	SendCommand(&c);
-
-	int len = smart_response(dataout);
-
-	if ( len < 0 ) {
-		return 2;
+	
+	if (APDUlen == 4) {	// Case 1
+		memcpy(TPDU, APDU, 4);
+		TPDU[4] = 0x00;
+		smart_transmit(TPDU, 5, flags, response, responselen, maxresponselen);
+	} else if (APDUlen == 5) { // Case 2 Short
+		smart_transmit(APDU, 5, flags, response, responselen, maxresponselen);
+		if (response[0] == 0x6C) { // wrong Le
+			uint16_t Le = APDU[4] ? APDU[4] : 256;
+			uint8_t La = response[1];
+			memcpy(TPDU, APDU, 5);
+			TPDU[4] = La;
+			smart_transmit(TPDU, 5, SC_RAW_T0, response, responselen, maxresponselen);
+			if (Le < La && *responselen >= 0) {
+				response[Le] = response[*responselen-2];
+				response[Le+1] = response[*responselen-1];
+				*responselen = Le + 2;
+			}
+		}
+	} else if (APDU[4] != 0 && APDUlen == 5 + APDU[4]) { // Case 3 Short
+		smart_transmit(APDU, APDUlen, flags, response, responselen, maxresponselen);
+	} else if (APDU[4] != 0 && APDUlen == 5 + APDU[4] + 1) { // Case 4 Short
+		smart_transmit(APDU, APDUlen-1, flags, response, responselen, maxresponselen);
+		if (response[0] == 0x90 && response[1] == 0x00) {
+			uint8_t Le = APDU[APDUlen-1];
+			uint8_t get_response[5] = {0x00, ISO7816_GET_RESPONSE, 0x00, 0x00, Le};
+			return ExchangeAPDUSC(get_response, 5, false, leaveSignalON, response, maxresponselen, responselen);
+		}
+	} else { // Long Cases not yet implemented
+		PrintAndLogEx(ERR, "Long APDUs not yet implemented");
+		*responselen = -3;
 	}
 
-	*dataoutlen = len;
-
-	return 0;
+	if (*responselen < 0 ) {
+		return 1;
+	} else {
+		return 0;
+	}
 }
 
 
-int CmdSmartUpgrade(const char *Cmd) {
+static int CmdSmartUpgrade(const char *Cmd) {
 
-	PrintAndLogEx(WARNING, "WARNING - Smartcard socket firmware upgrade.");
+	PrintAndLogEx(NORMAL, "");
+	PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade.");
 	PrintAndLogEx(WARNING, "A dangerous command, do wrong and you will brick the smart card socket");
+	PrintAndLogEx(NORMAL, "");
 
 	FILE *f;
 	char filename[FILE_PATH_SIZE] = {0};
@@ -330,40 +612,131 @@ int CmdSmartUpgrade(const char *Cmd) {
 	//Validations
 	if (errors || cmdp == 0 ) return usage_sm_upgrade();
 
-	// load file
-	f = fopen(filename, "rb");
+	if (strchr(filename, '\\') || strchr(filename, '/')) {
+		PrintAndLogEx(FAILED, "Filename must not contain \\ or /. Firmware file will be found in client/sc_upgrade_firmware directory.");
+		return 1;
+	}
+	
+	char sc_upgrade_file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(filename) + 1];
+	strcpy(sc_upgrade_file_path, get_my_executable_directory());
+	strcat(sc_upgrade_file_path, SC_UPGRADE_FILES_DIRECTORY);
+	strcat(sc_upgrade_file_path, filename);
+	if (strlen(sc_upgrade_file_path) >= FILE_PATH_SIZE ) {
+		PrintAndLogEx(FAILED, "Filename too long");
+		return 1;
+	}
+
+	char sha512filename[FILE_PATH_SIZE] = {'\0'};
+	char *bin_extension = filename;
+	char *dot_position = NULL;
+	while ((dot_position = strchr(bin_extension, '.')) != NULL) {
+		bin_extension = dot_position + 1;
+	}
+	if (!strcmp(bin_extension, "BIN") 
+#ifdef _WIN32
+	    || !strcmp(bin_extension, "bin")
+#endif
+	    ) {
+		memcpy(sha512filename, filename, strlen(filename) - strlen("bin"));
+		strcat(sha512filename, "sha512.txt");
+	} else {
+		PrintAndLogEx(FAILED, "Filename extension of Firmware Upgrade File must be .BIN");
+		return 1;
+	}
+	
+	PrintAndLogEx(INFO, "Checking integrity using SHA512 File %s ...", sha512filename);
+	char sc_upgrade_sha512file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(sha512filename) + 1];
+	strcpy(sc_upgrade_sha512file_path, get_my_executable_directory());
+	strcat(sc_upgrade_sha512file_path, SC_UPGRADE_FILES_DIRECTORY);
+	strcat(sc_upgrade_sha512file_path, sha512filename);
+	if (strlen(sc_upgrade_sha512file_path) >= FILE_PATH_SIZE ) {
+		PrintAndLogEx(FAILED, "Filename too long");
+		return 1;
+	}
+		
+	// load firmware file
+	f = fopen(sc_upgrade_file_path, "rb");
 	if ( !f ){
-		PrintAndLogEx(FAILED, "File: %s: not found or locked.", filename);
+		PrintAndLogEx(FAILED, "Firmware file not found or locked.");
 		return 1;
 	}
 
 	// get filesize in order to malloc memory
 	fseek(f, 0, SEEK_END);
-	long fsize = ftell(f);
+	size_t fsize = ftell(f);
 	fseek(f, 0, SEEK_SET);
 
-	if (fsize < 0) 	{
-		PrintAndLogEx(WARNING, "error, when getting filesize");
+	if (fsize < 0)  {
+		PrintAndLogEx(FAILED, "Could not determine size of firmware file");
 		fclose(f);
 		return 1;
 	}
 
 	uint8_t *dump = calloc(fsize, sizeof(uint8_t));
 	if (!dump) {
-		PrintAndLogEx(WARNING, "error, cannot allocate memory ");
+		PrintAndLogEx(FAILED, "Could not allocate memory for firmware");
+		fclose(f);
+		return 1;
+	}
+
+	size_t firmware_size = fread(dump, 1, fsize, f);
+	if (f)
+		fclose(f);
+
+	// load sha512 file
+	f = fopen(sc_upgrade_sha512file_path, "rb");
+	if ( !f ){
+		PrintAndLogEx(FAILED, "SHA-512 file not found or locked.");
+		return 1;
+	}
+
+	// get filesize in order to malloc memory
+	fseek(f, 0, SEEK_END);
+	fsize = ftell(f);
+	fseek(f, 0, SEEK_SET);
+
+	if (fsize < 0)  {
+		PrintAndLogEx(FAILED, "Could not determine size of SHA-512 file");
+		fclose(f);
+		return 1;
+	}
+	
+	if (fsize < 128) {
+		PrintAndLogEx(FAILED, "SHA-512 file too short");
 		fclose(f);
 		return 1;
 	}
 
-	size_t bytes_read = fread(dump, 1, fsize, f);
+	char hashstring[129];
+	size_t bytes_read = fread(hashstring, 1, 128, f);
+	hashstring[128] = '\0';
+
 	if (f)
 		fclose(f);
 
-	PrintAndLogEx(SUCCESS, "Smartcard socket firmware uploading to PM3");
+	uint8_t hash1[64];
+	if (bytes_read != 128 || param_gethex(hashstring, 0, hash1, 128)) {
+		PrintAndLogEx(FAILED, "Couldn't read SHA-512 file");
+		return 1;
+	}
+	
+	uint8_t hash2[64];
+	if (sha512hash(dump, firmware_size, hash2)) {
+		PrintAndLogEx(FAILED, "Couldn't calculate SHA-512 of Firmware");
+		return 1;
+	}
+
+	if (memcmp(hash1, hash2, 64)) {
+		PrintAndLogEx(FAILED, "Couldn't verify integrity of Firmware file (wrong SHA-512)");
+		return 1;
+	}
+		
+	PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware uploading to PM3");
+
 	//Send to device
 	uint32_t index = 0;
 	uint32_t bytes_sent = 0;
-	uint32_t bytes_remaining = bytes_read;
+	uint32_t bytes_remaining = firmware_size;
 
 	while (bytes_remaining > 0){
 		uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining);
@@ -386,10 +759,10 @@ int CmdSmartUpgrade(const char *Cmd) {
 	}
 	free(dump);
 	printf("\n");
-	PrintAndLogEx(SUCCESS, "Smartcard socket firmware updating,  don\'t turn off your PM3!");
+	PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware updating,  don\'t turn off your PM3!");
 
 	// trigger the firmware upgrade
-	UsbCommand c = {CMD_SMART_UPGRADE, {bytes_read, 0, 0}};
+	UsbCommand c = {CMD_SMART_UPGRADE, {firmware_size, 0, 0}};
 	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
@@ -398,13 +771,14 @@ int CmdSmartUpgrade(const char *Cmd) {
 		return 1;
 	}
 	if ( (resp.arg[0] & 0xFF ) )
-		PrintAndLogEx(SUCCESS, "Smartcard socket firmware upgraded successful");
+		PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware upgraded successful");
 	else
-		PrintAndLogEx(FAILED, "Smartcard socket firmware updating failed");
+		PrintAndLogEx(FAILED, "RDV4.0 Smartcard Socket Firmware Upgrade failed");
 	return 0;
 }
 
-int CmdSmartInfo(const char *Cmd){
+
+static int CmdSmartInfo(const char *Cmd){
 	uint8_t cmdp = 0;
 	bool errors = false, silent = false;
 
@@ -425,30 +799,49 @@ int CmdSmartInfo(const char *Cmd){
 	//Validations
 	if (errors ) return usage_sm_info();
 
-	UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
-	clearCommandBuffer();
-	SendCommand(&c);
-	UsbCommand resp;
-	if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
+	smart_card_atr_t card;
+	if (!smart_getATR(&card)) {
 		if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
 		return 1;
 	}
-
-	uint8_t isok = resp.arg[0] & 0xFF;
-	if (!isok) {
-		if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
+	
+	if (!card.atr_len) {
+		if (!silent) PrintAndLogEx(ERR, "can't get ATR from a smart card");
 		return 1;
 	}
 
-	smart_card_atr_t card;
-	memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
-
 	// print header
-	PrintAndLogEx(INFO, "\n--- Smartcard Information ---------");
+	PrintAndLogEx(INFO, "--- Smartcard Information ---------");
 	PrintAndLogEx(INFO, "-------------------------------------------------------------");
-	PrintAndLogEx(INFO, "ISO76183 ATR : %s", sprint_hex(card.atr, card.atr_len));
-	PrintAndLogEx(INFO, "look up ATR");
-	PrintAndLogEx(INFO, "http://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) );
+	PrintAndLogEx(INFO, "ISO7618-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
+	PrintAndLogEx(INFO, "\nhttp://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) );
+
+	// print ATR
+	PrintAndLogEx(NORMAL, "");
+	PrintAndLogEx(INFO, "ATR");
+	PrintATR(card.atr, card.atr_len);
+
+	// print D/F (brom byte TA1 or defaults)
+	PrintAndLogEx(NORMAL, "");
+	PrintAndLogEx(INFO, "D/F (TA1)");
+	int Di = GetATRDi(card.atr, card.atr_len);
+	int Fi = GetATRFi(card.atr, card.atr_len);
+	float F = GetATRF(card.atr, card.atr_len);
+	if (GetATRTA1(card.atr, card.atr_len) == 0x11)
+		PrintAndLogEx(INFO, "Using default values...");
+
+	PrintAndLogEx(NORMAL, "\t- Di=%d", Di);
+	PrintAndLogEx(NORMAL, "\t- Fi=%d", Fi);
+	PrintAndLogEx(NORMAL, "\t- F=%.1f MHz", F);
+  
+	if (Di && Fi) {
+		PrintAndLogEx(NORMAL, "\t- Cycles/ETU=%d", Fi/Di);
+		PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at 4MHz", (float)4000000 / (Fi/Di));
+		PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at Fmax=%.1fMHz", (F * 1000000) / (Fi/Di), F);
+	} else {
+		PrintAndLogEx(WARNING, "\t- Di or Fi is RFU.");
+	};
+
 	return 0;
 }
 
@@ -473,28 +866,18 @@ int CmdSmartReader(const char *Cmd){
 	//Validations
 	if (errors ) return usage_sm_reader();
 
-	UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
-	clearCommandBuffer();
-	SendCommand(&c);
-	UsbCommand resp;
-	if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
-		if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
-		return 1;
-	}
-
-	uint8_t isok = resp.arg[0] & 0xFF;
-	if (!isok) {
+	smart_card_atr_t card;
+	if (!smart_getATR(&card)) {
 		if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
 		return 1;
 	}
-	smart_card_atr_t card;
-	memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
 
 	PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
 	return 0;
 }
 
-int CmdSmartSetClock(const char *Cmd){
+
+static int CmdSmartSetClock(const char *Cmd){
 	uint8_t cmdp = 0;
 	bool errors = false;
 	uint8_t clock = 0;
@@ -549,12 +932,18 @@ int CmdSmartSetClock(const char *Cmd){
 	return 0;
 }
 
-int CmdSmartList(const char *Cmd) {
-	CmdHFList("7816");
+
+static int CmdSmartList(const char *Cmd) {
+	if (UseAlternativeSmartcardReader) {
+		CmdHFList("7816 p");
+	} else {
+		CmdHFList("7816");
+	}
 	return 0;
 }
 
-int CmdSmartBruteforceSFI(const char *Cmd) {
+
+static int CmdSmartBruteforceSFI(const char *Cmd) {
 
 	char ctmp = tolower(param_getchar(Cmd, 0));
 	if (ctmp == 'h') return usage_sm_brute();
@@ -566,15 +955,16 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
 		return 1;
 	}
 
-	PrintAndLogEx(INFO, "Selecting PPSE aid");
-	CmdSmartRaw("d 00a404000e325041592e5359532e444446303100");
-	CmdSmartRaw("d 00a4040007a000000004101000");
+	PrintAndLogEx(INFO, "Selecting PSE aid");
+	CmdSmartRaw("s 0 t d 00a404000e325041592e5359532e4444463031");
+	CmdSmartRaw("0 t d 00a4040007a000000004101000");  // mastercard
+//	CmdSmartRaw("0 t d 00a4040007a0000000031010"); // visa
 
 	PrintAndLogEx(INFO, "starting");
 
-	UsbCommand c = {CMD_SMART_RAW, {SC_RAW, sizeof(data), 0}};
-	uint8_t* buf = malloc(USB_CMD_DATA_SIZE);
-	if ( !buf )
+	int response_len = 0;
+	uint8_t* response = malloc(ISO7816_MAX_FRAME_SIZE);
+	if (!response)
 		return 1;
 
 	for (uint8_t i=1; i < 4; i++) {
@@ -583,53 +973,47 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
 			data[2] = p1;
 			data[3] = (i << 3) + 4;
 
-			memcpy(c.d.asBytes, data, sizeof(data) );
-			clearCommandBuffer();
-			SendCommand(&c);
-
-			smart_response(buf);
+			smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE); 
 
-			// if 0x6C
-			if ( buf[0] == 0x6C ) {
-				data[4]	= buf[1];
-
-				memcpy(c.d.asBytes, data, sizeof(data) );
-				clearCommandBuffer();
-				SendCommand(&c);
-				uint8_t len = smart_response(buf);
+			if ( response[0] == 0x6C ) {
+				data[4] = response[1];
+				smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE); 
 
 				// TLV decoder
-				if (len > 4)
-					TLVPrintFromBuffer(buf+1, len-3);
+				if (response_len > 4)
+					TLVPrintFromBuffer(response+1, response_len-3);
 
 				data[4] = 0;
 			}
-			memset(buf, 0x00, USB_CMD_DATA_SIZE);
+			memset(response, 0x00, ISO7816_MAX_FRAME_SIZE);
 		}
 	}
-	free(buf);
+	free(response);
 	return 0;
 }
 
 static command_t CommandTable[] = {
-	{"help",	CmdHelp,            1, "This help"},
-	{"list",	CmdSmartList,       0, "List ISO 7816 history"},
-	{"info",	CmdSmartInfo,		1, "Tag information"},
-	{"reader",	CmdSmartReader,		1, "Act like an IS07816 reader"},
-	{"raw",		CmdSmartRaw,		1, "Send raw hex data to tag"},
-	{"upgrade",	CmdSmartUpgrade,	1, "Upgrade firmware"},
-	{"setclock", CmdSmartSetClock,	1, "Set clock speed"},
-	{"brute", 	CmdSmartBruteforceSFI, 1, "Bruteforce SFI"},
-	{NULL, NULL, 0, NULL}
+	{"help",     CmdHelp,               1, "This help"},
+	{"select",   CmdSmartSelect,        1, "Select the Smartcard Reader to use"},
+	{"list",     CmdSmartList,          1, "List ISO 7816 history"},
+	{"info",     CmdSmartInfo,          1, "Tag information"},
+	{"reader",   CmdSmartReader,        1, "Act like an IS07816 reader"},
+	{"raw",      CmdSmartRaw,           1, "Send raw hex data to tag"},
+	{"upgrade",  CmdSmartUpgrade,       0, "Upgrade firmware"},
+	{"setclock", CmdSmartSetClock,      1, "Set clock speed"},
+	{"brute",    CmdSmartBruteforceSFI, 1, "Bruteforce SFI"},
+	{NULL,       NULL,                  0, NULL}
 };
 
+
 int CmdSmartcard(const char *Cmd) {
 	clearCommandBuffer();
 	CmdsParse(CommandTable, Cmd);
 	return 0;
 }
 
-int CmdHelp(const char *Cmd) {
+
+static int CmdHelp(const char *Cmd) {
 	CmdsHelp(CommandTable);
 	return 0;
 }