]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdsmartcard.c
Fix some printf/scanf format strings
[proxmark3-svn] / client / cmdsmartcard.c
index 4258989ccc4170d433b2bad176d6a2f06be745cb..caf33db6a886f76103ae1318f333423d3114486e 100644 (file)
 #include "cmdsmartcard.h"
 
 #include <ctype.h>
+#include <string.h>
 
 #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 +37,25 @@ 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 +80,13 @@ 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 +110,321 @@ 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 +445,10 @@ 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 +478,112 @@ 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 +613,131 @@ 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 +760,10 @@ 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 +772,14 @@ 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 +800,49 @@ 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 +867,18 @@ 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 +933,18 @@ 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 +956,16 @@ 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 +974,47 @@ 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;
 }
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