]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/emv/emvcore.c
fido fix (#775)
[proxmark3-svn] / client / emv / emvcore.c
index 36438413a25882f447e96a4c3aa55ed736253e04..78a30206662ed873fa797bf7f06bd8c42aadf605 100644 (file)
@@ -9,54 +9,68 @@
 //-----------------------------------------------------------------------------
 
 #include "emvcore.h"
+#include "emvjson.h"
+#include "util_posix.h"
+#include "protocols.h"
+#ifdef WITH_SMARTCARD
+#include "cmdsmartcard.h"
+#endif
 
 // Got from here. Thanks)
 // https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix
-static const char *PSElist [] = { 
+static const char *PSElist [] = {
        "325041592E5359532E4444463031", // 2PAY.SYS.DDF01 - Visa Proximity Payment System Environment - PPSE
        "315041592E5359532E4444463031"  // 1PAY.SYS.DDF01 - Visa Payment System Environment - PSE
 };
-static const size_t PSElistLen = sizeof(PSElist)/sizeof(char*);
+//static const size_t PSElistLen = sizeof(PSElist)/sizeof(char*);
+
+char *TransactionTypeStr[] = {
+       "MSD",
+       "VSDC",
+       "qVCDCMCHIP",
+       "CDA"
+};
 
 typedef struct {
        enum CardPSVendor vendor;
        const char* aid;
 } TAIDList;
 
-static const TAIDList AIDlist [] = { 
+static const TAIDList AIDlist [] = {
        // Visa International
-       { CV_VISA,      "A00000000305076010"},                  // VISA ELO Credit      
-       { CV_VISA,      "A0000000031010" },                             // VISA Debit/Credit (Classic)  
-       { CV_VISA,      "A000000003101001" },                   // VISA Credit  
-       { CV_VISA,      "A000000003101002" },                   // VISA Debit   
-       { CV_VISA,      "A0000000032010" },                             // VISA Electron
-       { CV_VISA,      "A0000000032020" },                             // VISA 
-       { CV_VISA,      "A0000000033010" },                             // VISA Interlink       
-       { CV_VISA,      "A0000000034010" },                             // VISA Specific        
-       { CV_VISA,      "A0000000035010" },                             // VISA Specific        
-       { CV_VISA,      "A0000000036010" },                             // Domestic Visa Cash Stored Value      
-       { CV_VISA,      "A0000000036020" },                             // International Visa Cash Stored Value 
-       { CV_VISA,      "A0000000038002" },                             // VISA Auth, VisaRemAuthen EMV-CAP (DPA)       
-       { CV_VISA,      "A0000000038010" },                             // VISA Plus    
-       { CV_VISA,      "A0000000039010" },                             // VISA Loyalty 
-       { CV_VISA,      "A000000003999910" },                   // VISA Proprietary ATM 
+       { CV_VISA,  "A00000000305076010"},          // VISA ELO Credit
+       { CV_VISA,  "A0000000031010" },             // VISA Debit/Credit (Classic)
+       { CV_VISA,  "A000000003101001" },           // VISA Credit
+       { CV_VISA,  "A000000003101002" },           // VISA Debit
+       { CV_VISA,  "A0000000032010" },             // VISA Electron
+       { CV_VISA,  "A0000000032020" },             // VISA
+       { CV_VISA,  "A0000000033010" },             // VISA Interlink
+       { CV_VISA,  "A0000000034010" },             // VISA Specific
+       { CV_VISA,  "A0000000035010" },             // VISA Specific
+       { CV_VISA,  "A0000000036010" },             // Domestic Visa Cash Stored Value
+       { CV_VISA,  "A0000000036020" },             // International Visa Cash Stored Value
+       { CV_VISA,  "A0000000038002" },             // VISA Auth, VisaRemAuthen EMV-CAP (DPA)
+       { CV_VISA,  "A0000000038010" },             // VISA Plus
+       { CV_VISA,  "A0000000039010" },             // VISA Loyalty
+       { CV_VISA,  "A000000003999910" },           // VISA Proprietary ATM
        // Visa USA
-       { CV_VISA,      "A000000098" },                                 // Debit Card
-       { CV_VISA,      "A0000000980848" },                             // Debit Card
+       { CV_VISA,  "A000000098" },                 // Debit Card
+       { CV_VISA,  "A0000000980848" },             // Debit Card
        // Mastercard International
-       { CV_MASTERCARD, "A00000000401" },                      // MasterCard PayPass   
-       { CV_MASTERCARD, "A0000000041010" },            // MasterCard Credit
-       { CV_MASTERCARD, "A00000000410101213" },        // MasterCard Credit
-       { CV_MASTERCARD, "A00000000410101215" },        // MasterCard Credit
-       { CV_MASTERCARD, "A0000000042010" },            // MasterCard Specific
-       { CV_MASTERCARD, "A0000000043010" },            // MasterCard Specific
-       { CV_MASTERCARD, "A0000000043060" },            // Maestro (Debit)
-       { CV_MASTERCARD, "A000000004306001" },          // Maestro (Debit)
-       { CV_MASTERCARD, "A0000000044010" },            // MasterCard Specific
-       { CV_MASTERCARD, "A0000000045010" },            // MasterCard Specific
-       { CV_MASTERCARD, "A0000000046000" },            // Cirrus
-       { CV_MASTERCARD, "A0000000048002" },            // SecureCode Auth EMV-CAP
-       { CV_MASTERCARD, "A0000000049999" },            // MasterCard PayPass   
+       { CV_MASTERCARD, "A00000000401" },          // MasterCard PayPass
+       { CV_MASTERCARD, "A0000000041010" },        // MasterCard Credit
+       { CV_MASTERCARD, "A00000000410101213" },    // MasterCard Credit
+       { CV_MASTERCARD, "A00000000410101215" },    // MasterCard Credit
+       { CV_MASTERCARD, "A0000000042010" },        // MasterCard Specific
+       { CV_MASTERCARD, "A0000000043010" },        // MasterCard Specific
+       { CV_MASTERCARD, "A0000000043060" },        // Maestro (Debit)
+       { CV_MASTERCARD, "A000000004306001" },      // Maestro (Debit)
+       { CV_MASTERCARD, "A0000000044010" },        // MasterCard Specific
+       { CV_MASTERCARD, "A0000000045010" },        // MasterCard Specific
+       { CV_MASTERCARD, "A0000000046000" },        // Cirrus
+       { CV_MASTERCARD, "A0000000048002" },        // SecureCode Auth EMV-CAP
+       { CV_MASTERCARD, "A0000000049999" },        // MasterCard PayPass
+       { CV_MASTERCARD, "B012345678" },            // Maestro TEST Used for development
        // American Express
        { CV_AMERICANEXPRESS, "A000000025" },
        { CV_AMERICANEXPRESS, "A0000000250000" },
@@ -65,19 +79,48 @@ static const TAIDList AIDlist [] = {
        { CV_AMERICANEXPRESS, "A000000025010701" },
        { CV_AMERICANEXPRESS, "A000000025010801" },
        // Groupement des Cartes Bancaires "CB"
-       { CV_CB, "A0000000421010" },                            // Cartes Bancaire EMV Card     
-       { CV_CB, "A0000000422010" },            
-       { CV_CB, "A0000000423010" },            
-       { CV_CB, "A0000000424010" },            
-       { CV_CB, "A0000000425010" },            
+       { CV_CB, "A0000000421010" },                // Cartes Bancaire EMV Card
+       { CV_CB, "A0000000422010" },
+       { CV_CB, "A0000000423010" },
+       { CV_CB, "A0000000424010" },
+       { CV_CB, "A0000000425010" },
        // JCB CO., LTD.
-       { CV_JCB, "A00000006510" },                                     // JCB  
-       { CV_JCB, "A0000000651010" },                           // JCB J Smart Credit   
+       { CV_JCB, "A00000006510" },                 // JCB
+       { CV_JCB, "A0000000651010" },               // JCB J Smart Credit
+       // Switch Card Services Ltd.
+       { CV_SWITCH, "A0000000050001" },            // Maestro UK
+       { CV_SWITCH, "A0000000050002" },            // Solo
+       // Diners Club International Ltd.
+       { CV_DINERS, "A0000001523010" },            // Discover, Pulse D Pas Discover Card
+       { CV_DINERS, "A0000001524010" },            // Discover, Discover Debit Common Card
        // Other
-       { CV_OTHER, "A0000001544442" },                         // Banricompras Debito - Banrisul - Banco do Estado do Rio Grande do SUL - S.A.
-       { CV_OTHER, "F0000000030001" },                         // BRADESCO
-       { CV_OTHER, "A0000005241010" },                         // RuPay - RuPay
-       { CV_OTHER, "D5780000021010" }                          // Bankaxept - Bankaxept
+       { CV_OTHER, "A00000002401" },               // Midland Bank Plc - Self Service
+       { CV_OTHER, "A0000000291010" },             // LINK Interchange Network Ltd - Link / American Express
+       { CV_OTHER, "A00000006900" },               // Société Européenne de Monnaie Electronique SEME - Moneo
+       { CV_OTHER, "A000000077010000021000000000003B" },  // Oberthur Technologies France - Visa AEPN
+       { CV_OTHER, "A0000001211010" },             // PBS Danmark A/S - Denmark - Dankort (VISA GEM Vision) - Danish domestic debit card
+       { CV_OTHER, "A0000001410001" },             // Associazione Bancaria Italiana - Italy - PagoBANCOMAT - CoGeBan Consorzio BANCOMAT (Italian domestic debit card)
+       { CV_OTHER, "A0000001544442" },             // Banricompras Debito - Banrisul - Banco do Estado do Rio Grande do SUL - S.A.
+       { CV_OTHER, "A000000172950001" },           // Financial Information Service Co. Ltd. - Taiwan - BAROC Financial Application Taiwan- The Bankers Association of the Republic of China
+       { CV_OTHER, "A0000001850002" },             // Post Office Limited - United Kingdom - UK Post Office Account card
+       { CV_OTHER, "A0000002281010" },             // Saudi Arabian Monetary Agency (SAMA) - Kingdom of Saudi Arabia - SPAN (M/Chip) - SPAN2 (Saudi Payments Network) - Saudi Arabia domestic credit/debit card (Saudi Arabia Monetary Agency)
+       { CV_OTHER, "A0000002282010" },             // Saudi Arabian Monetary Agency (SAMA) - Kingdom of Saudi Arabia - SPAN (VIS) - SPAN2 (Saudi Payments Network) - Saudi Arabia domestic credit/debit card (Saudi Arabia Monetary Agency)
+       { CV_OTHER, "A0000002771010" },             // Interac Association - Canada - INTERAC - Canadian domestic credit/debit card
+       { CV_OTHER, "A00000031510100528" },         // Currence Holding/PIN BV - The Netherlands- Currence PuC
+       { CV_OTHER, "A0000003156020" },             // Currence Holding/PIN BV - The Netherlands - Chipknip
+       { CV_OTHER, "A0000003591010028001" },       // Euro Alliance of Payment Schemes s.c.r.l. (EAPS) - Belgium - Girocard EAPS - ZKA (Germany)
+       { CV_OTHER, "A0000003710001" },             // Verve - Nigeria - InterSwitch Verve Card - Nigerian local switch company
+       { CV_OTHER, "A0000004540010" },             // eTranzact - Nigeria - Etranzact Genesis Card - Nigerian local switch company
+       { CV_OTHER, "A0000004540011" },             // eTranzact - Nigeria - Etranzact Genesis Card 2 - Nigerian local switch company
+       { CV_OTHER, "A0000004766C" },               // Google - United States - GOOGLE_PAYMENT_AID
+       { CV_OTHER, "A0000005241010" },             // RuPay - India - RuPay - RuPay (India)
+       { CV_OTHER, "A0000006723010" },             // TROY - Turkey - TROY chip credit card - Turkey's Payment Method
+       { CV_OTHER, "A0000006723020" },             // TROY - Turkey - TROY chip debit card - Turkey's Payment Method
+       { CV_OTHER, "A0000007705850" },             // Indian Oil Corporation Limited - India - XTRAPOWER Fleet Card Program - Indian Oil’s Pre Paid Program
+       { CV_OTHER, "D27600002545500100" },         // ZKA - Germany - Girocard - ZKA Girocard (Geldkarte) (Germany)
+       { CV_OTHER, "D5280050218002" },             // The Netherlands - ? - (Netherlands)
+       { CV_OTHER, "D5780000021010" },             // Bankaxept    Norway  Bankaxept   Norwegian domestic debit card
+       { CV_OTHER, "F0000000030001" },             // BRADESCO - Brazilian Bank Banco Bradesco
 };
 static const size_t AIDlistLen = sizeof(AIDlist)/sizeof(TAIDList);
 
@@ -97,8 +140,8 @@ enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen) {
                if (strncmp(AIDlist[i].aid, buf, strlen(AIDlist[i].aid)) == 0){
                        return AIDlist[i].vendor;
                }
-       }       
-       
+       }
+
        return CV_NA;
 }
 
@@ -111,23 +154,25 @@ static bool print_cb(void *data, const struct tlv *tlv, int level, bool is_leaf)
        return true;
 }
 
-void TLVPrintFromBuffer(uint8_t *data, int datalen) {
+bool TLVPrintFromBuffer(uint8_t *data, int datalen) {
        struct tlvdb *t = NULL;
        t = tlvdb_parse_multi(data, datalen);
        if (t) {
-               PrintAndLog("-------------------- TLV decoded --------------------");
-               
+               PrintAndLogEx(NORMAL, "-------------------- TLV decoded --------------------");
+
                tlvdb_visit(t, print_cb, NULL, 0);
                tlvdb_free(t);
+               return true;
        } else {
-               PrintAndLog("TLV ERROR: Can't parse response as TLV tree.");
+               PrintAndLogEx(WARNING, "TLV ERROR: Can't parse response as TLV tree.");
        }
+       return false;
 }
 
 void TLVPrintFromTLVLev(struct tlvdb *tlv, int level) {
-       if (!tlv) 
+       if (!tlv)
                return;
-       
+
        tlvdb_visit(tlv, print_cb, NULL, level);
 }
 
@@ -136,29 +181,29 @@ void TLVPrintFromTLV(struct tlvdb *tlv) {
 }
 
 void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv) {
-       PrintAndLog("|------------------|--------|-------------------------|");
-       PrintAndLog("|    AID           |Priority| Name                    |");
-       PrintAndLog("|------------------|--------|-------------------------|");
+       PrintAndLogEx(NORMAL, "|------------------|--------|-------------------------|");
+       PrintAndLogEx(NORMAL, "|    AID           |Priority| Name                    |");
+       PrintAndLogEx(NORMAL, "|------------------|--------|-------------------------|");
 
        struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
        if (!ttmp)
-               PrintAndLog("|                         none                        |");
-               
+               PrintAndLogEx(NORMAL, "|                         none                        |");
+
        while (ttmp) {
                const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL);
                const struct tlv *tgName = tlvdb_get_inchild(ttmp, 0x50, NULL);
                const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL);
                if (!tgAID)
                        break;
-               PrintAndLog("|%s|   %s  |%s|", 
-                       sprint_hex_inrow_ex(tgAID->value, tgAID->len, 18), 
-                       (tgPrio) ? sprint_hex(tgPrio->value, 1) : "   ", 
+               PrintAndLogEx(NORMAL, "|%s|   %s  |%s|",
+                       sprint_hex_inrow_ex(tgAID->value, tgAID->len, 18),
+                       (tgPrio) ? sprint_hex(tgPrio->value, 1) : "   ",
                        (tgName) ? sprint_ascii_ex(tgName->value, tgName->len, 25) : "                         ");
-               
+
                ttmp = tlvdb_find_next(ttmp, 0x6f);
        }
 
-       PrintAndLog("|------------------|--------|-------------------------|");
+       PrintAndLogEx(NORMAL, "|------------------|--------|-------------------------|");
 }
 
 struct tlvdb *GetPANFromTrack2(const struct tlv *track2) {
@@ -172,19 +217,19 @@ struct tlvdb *GetPANFromTrack2(const struct tlv *track2) {
 
        for (int i = 0; i < track2->len; ++i, tmp += 2)
                sprintf(tmp, "%02x", (unsigned int)track2->value[i]);
-       
+
        int posD = strchr(track2Hex, 'd') - track2Hex;
        if (posD < 1)
                return NULL;
-       
+
        track2Hex[posD] = 0;
        if (strlen(track2Hex) % 2) {
                track2Hex[posD] = 'F';
                track2Hex[posD + 1] = '\0';
        }
-       
+
        param_gethex_to_eol(track2Hex, 0, PAN, sizeof(PAN), &PANlen);
-       
+
   return tlvdb_fixed(0x5a, PANlen, PAN);
 }
 
@@ -195,13 +240,13 @@ struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2) {
        int dCVVlen = 0;
        const int PINlen = 5; // must calculated from 9F67 MSD Offset but i have not seen this tag)
        char *tmp = track2Hex;
-       
+
        if (!track2)
                return NULL;
-       
+
        for (int i = 0; i < track2->len; ++i, tmp += 2)
                sprintf(tmp, "%02x", (unsigned int)track2->value[i]);
-       
+
        int posD = strchr(track2Hex, 'd') - track2Hex;
        if (posD < 1)
                return NULL;
@@ -215,39 +260,59 @@ struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2) {
        memcpy(dCVVHex + 9, track2Hex + posD + 1, 4);
        // service code
        memcpy(dCVVHex + 13, track2Hex + posD + 5, 3);
-       
+
        param_gethex_to_eol(dCVVHex, 0, dCVV, sizeof(dCVV), &dCVVlen);
-       
+
   return tlvdb_fixed(0x02, dCVVlen, dCVV);
 }
 
-int EMVExchangeEx(bool ActivateField, bool LeaveFieldON, sAPDU apdu, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       uint8_t data[APDU_RES_LEN] = {0};
 
+static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) 
+{
        *ResultLen = 0;
        if (sw) *sw = 0;
        uint16_t isw = 0;
-       
-       if (ActivateField)
+       int res = 0;
+
+       if (ActivateField && channel == ECC_CONTACTLESS) {
                DropField();
-       
-       // COMPUTE APDU
-       memcpy(data, &apdu, 5);
-       if (apdu.data)
-               memcpy(&data[5], apdu.data, apdu.Lc);
-       
+               msleep(50);
+       }
+
        if (APDULogging)
-               PrintAndLog(">>>> %s", sprint_hex(data, 6 + apdu.Lc));
+               PrintAndLogEx(SUCCESS, ">>>> %s", sprint_hex(apdu, apdu_len));
 
-       // 6 byes + data = INS + CLA + P1 + P2 + Lc + <data = Nc> + Le
-       int res = ExchangeAPDU14a(data, 6 + apdu.Lc, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
-       
-       if (res) {
-               return res;
+       switch(channel) {
+               case ECC_CONTACTLESS:
+                       // 6 byes + data = INS + CLA + P1 + P2 + Lc + <data = Nc> + Le(?IncludeLe)
+                       res = ExchangeAPDU14a(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+                       if (res) {
+                               return res;
+                       }
+                       break;
+               case ECC_CONTACT:
+                       //int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
+#ifdef WITH_SMARTCARD
+                       res = ExchangeAPDUSC(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+                       if (res) {
+                               return res;
+                       }
+#endif
+                       break;
        }
 
        if (APDULogging)
-               PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen));
+               PrintAndLogEx(SUCCESS, "<<<< %s", sprint_hex(Result, *ResultLen));
+
+       if (*ResultLen < 2) {
+               return 200;
+       }
+
+/*     if (Result[*ResultLen-2] == 0x61) {
+               uint8_t La = Result[*ResultLen-1];
+               uint8_t get_response[5] = {apdu[0], ISO7816_GET_RESPONSE, 0x00, 0x00, La};
+               return EMVExchangeEx(channel, false, LeaveFieldON, get_response, sizeof(get_response), Result, MaxResultLen, ResultLen, sw, tlv);
+       }*/
 
        *ResultLen -= 2;
        isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
@@ -255,9 +320,10 @@ int EMVExchangeEx(bool ActivateField, bool LeaveFieldON, sAPDU apdu, uint8_t *Re
                *sw = isw;
 
        if (isw != 0x9000) {
-               if (APDULogging)
-                       PrintAndLog("APDU(%02x%02x) ERROR: [%4X] %s", apdu.CLA, apdu.INS, isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff));
-               return 5;
+               if (APDULogging) {
+                       PrintAndLogEx(ERR, "APDU(%02x%02x) ERROR: [%4X] %s", apdu[0], apdu[1], isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff));
+                       return 5;
+               }
        }
 
        // add to tlv tree
@@ -265,20 +331,41 @@ int EMVExchangeEx(bool ActivateField, bool LeaveFieldON, sAPDU apdu, uint8_t *Re
                struct tlvdb *t = tlvdb_parse_multi(Result, *ResultLen);
                tlvdb_add(tlv, t);
        }
-       
+
        return 0;
 }
 
-int EMVExchange(bool LeaveFieldON, sAPDU apdu, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       return EMVExchangeEx(false, LeaveFieldON, apdu, Result, MaxResultLen, ResultLen, sw, tlv);
+int EMVExchange(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) 
+{
+       uint8_t APDU[APDU_COMMAND_LEN];
+       memcpy(APDU, apdu, apdu_len);
+       APDU[apdu_len] = 0x00; 
+       if (channel == ECC_CONTACTLESS) {
+               if (apdu_len == 5 && apdu[4] == 0) {
+                       // there is no Lc but an Le == 0 already
+               } else if (apdu_len > 5 && apdu_len == 5 + apdu[4] + 1) {
+                       // there is Lc, data and Le
+               } else {
+                       if (apdu[1] != 0xc0)
+                               apdu_len++; // no Le, add Le = 0x00 because some vendors require it for contactless
+               }
+       }
+       return EMVExchangeEx(channel, false, LeaveFieldON, APDU, apdu_len, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 
-int EMVSelect(bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       return EMVExchangeEx(ActivateField, LeaveFieldON, (sAPDU){0x00, 0xa4, 0x04, 0x00, AIDLen, AID}, Result, MaxResultLen, ResultLen, sw, tlv);
+int EMVSelect(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) 
+{
+       uint8_t Select_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_SELECT_FILE, 0x04, 0x00, AIDLen, 0x00};
+       memcpy(Select_APDU + 5, AID, AIDLen);
+       int apdulen = 5 + AIDLen;
+       if (channel == ECC_CONTACTLESS) {
+               apdulen++;  // some vendors require Le = 0x00 for contactless operations
+       }
+       return EMVExchangeEx(channel, ActivateField, LeaveFieldON, Select_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 
-int EMVSelectPSE(bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) {
-       uint8_t buf[APDU_AID_LEN] = {0};
+int EMVSelectPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) {
+       uint8_t buf[APDU_DATA_LEN] = {0};
        *ResultLen = 0;
        int len = 0;
        int res = 0;
@@ -287,26 +374,29 @@ int EMVSelectPSE(bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t
                        param_gethex_to_eol(PSElist[1], 0, buf, sizeof(buf), &len);
                        break;
                case 2:
+               
                        param_gethex_to_eol(PSElist[0], 0, buf, sizeof(buf), &len);
                        break;
                default:
                        return -1;
        }
-       
+
        // select
-       res = EMVSelect(ActivateField, LeaveFieldON, buf, len, Result, MaxResultLen, ResultLen, sw, NULL);
+       res = EMVSelect(channel, ActivateField, LeaveFieldON, buf, len, Result, MaxResultLen, ResultLen, sw, NULL);
 
        return res;
 }
 
-int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
-       uint8_t data[APDU_RES_LEN] = {0};
+int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, bool decodeTLV, struct tlvdb *tlv) {
+       uint8_t data[APDU_RESPONSE_LEN] = {0};
        size_t datalen = 0;
        uint16_t sw = 0;
        int res;
 
+       char *PSE_or_PPSE = PSENum == 1 ? "PSE" : "PPSE";
+       
        // select PPSE
-       res = EMVSelectPSE(ActivateField, true, 2, data, sizeof(data), &datalen, &sw);
+       res = EMVSelectPSE(channel, ActivateField, true, PSENum, data, sizeof(data), &datalen, &sw);
 
        if (!res){
                struct tlvdb *t = NULL;
@@ -315,12 +405,12 @@ int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct t
                        int retrycnt = 0;
                        struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00});
                        if (!ttmp)
-                               PrintAndLog("PPSE don't have records.");
-                       
+                               PrintAndLogEx(FAILED, "%s doesn't have any records.", PSE_or_PPSE);
+
                        while (ttmp) {
                                const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x4f, NULL);
                                if (tgAID) {
-                                       res = EMVSelect(false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
+                                       res = EMVSelect(channel, false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
 
                                        // retry if error and not returned sw error
                                        if (res && res != 5) {
@@ -329,14 +419,14 @@ int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct t
                                                } else {
                                                        // card select error, proxmark error
                                                        if (res == 1) {
-                                                               PrintAndLog("Exit...");
+                                                               PrintAndLogEx(WARNING, "Exit...");
                                                                return 1;
                                                        }
-                                                       
+
                                                        retrycnt = 0;
-                                                       PrintAndLog("Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len));
+                                                       PrintAndLogEx(NORMAL, "Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len));
                                                }
-                                               
+
                                                // next element
                                                ttmp = tlvdb_find_next(ttmp, 0x61);
                                                continue;
@@ -345,63 +435,66 @@ int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct t
 
                                        // all is ok
                                        if (decodeTLV){
-                                               PrintAndLog("%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
+                                               PrintAndLogEx(NORMAL, "%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
                                                TLVPrintFromBuffer(data, datalen);
                                        }
                                }
-                               
+
                                ttmp = tlvdb_find_next(ttmp, 0x61);
                        }
 
                        tlvdb_free(t);
                } else {
-                       PrintAndLog("PPSE ERROR: Can't get TLV from response.");
-               }               
+                       PrintAndLogEx(WARNING, "%s ERROR: Can't get TLV from response.", PSE_or_PPSE);
+               }
        } else {
-               PrintAndLog("PPSE ERROR: Can't select PPSE AID. Error: %d", res);
+               PrintAndLogEx(WARNING, "%s ERROR: Can't select PPSE AID. Error: %d", PSE_or_PPSE, res);
        }
-       
-       if(!LeaveFieldON)
+
+       if(!LeaveFieldON && channel == ECC_CONTACTLESS)
                DropField();
-       
+
        return res;
 }
 
-int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
-       uint8_t aidbuf[APDU_AID_LEN] = {0};
+int EMVSearch(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
+       uint8_t aidbuf[APDU_DATA_LEN] = {0};
        int aidlen = 0;
-       uint8_t data[APDU_RES_LEN] = {0};
+       uint8_t data[APDU_RESPONSE_LEN] = {0};
        size_t datalen = 0;
        uint16_t sw = 0;
-       
+
        int res = 0;
        int retrycnt = 0;
        for(int i = 0; i < AIDlistLen; i ++) {
                param_gethex_to_eol(AIDlist[i].aid, 0, aidbuf, sizeof(aidbuf), &aidlen);
-               res = EMVSelect((i == 0) ? ActivateField : false, (i == AIDlistLen - 1) ? LeaveFieldON : true, aidbuf, aidlen, data, sizeof(data), &datalen, &sw, tlv);
+               res = EMVSelect(channel, (i == 0) ? ActivateField : false, (i == AIDlistLen - 1) ? LeaveFieldON : true, aidbuf, aidlen, data, sizeof(data), &datalen, &sw, tlv);
                // retry if error and not returned sw error
                if (res && res != 5) {
                        if (++retrycnt < 3){
                                i--;
                        } else {
-                               // card select error, proxmark error
-                               if (res == 1) {
-                                       PrintAndLog("Exit...");
+                               // (1) - card select error, proxmark error OR (200) - result length = 0
+                               if (res == 1 || res == 200) {
+                                       PrintAndLogEx(WARNING, "Exit...");
                                        return 1;
                                }
-                               
+
                                retrycnt = 0;
-                               PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i].aid);
+                               PrintAndLogEx(FAILED, "Retry failed [%s]. Skipped...", AIDlist[i].aid);
                        }
                        continue;
                }
                retrycnt = 0;
-               
+
                if (res)
                        continue;
-               
-               if (decodeTLV){
-                       PrintAndLog("%s:", AIDlist[i].aid);
+
+               if (!datalen)
+                       continue;
+
+               if (decodeTLV) {
+                       PrintAndLogEx(SUCCESS, "%s", AIDlist[i].aid);
                        TLVPrintFromBuffer(data, datalen);
                }
        }
@@ -412,25 +505,25 @@ int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvd
 int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) {
        // check priority. 0x00 - highest
        int prio = 0xffff;
-       
+
        *AIDlen = 0;
 
        struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
        if (!ttmp)
                return 1;
-               
+
        while (ttmp) {
                const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL);
                const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL);
-               
+
                if (!tgAID)
                        break;
 
                if (tgPrio) {
-                       int pt = bytes_to_num((uint8_t*)tgPrio->value, (tgPrio->len < 2) ? tgPrio->len : 2); 
+                       int pt = bytes_to_num((uint8_t*)tgPrio->value, (tgPrio->len < 2) ? tgPrio->len : 2);
                        if (pt < prio) {
                                prio = pt;
-                               
+
                                memcpy(AID, tgAID->value, tgAID->len);
                                *AIDlen = tgAID->len;
                        }
@@ -438,58 +531,499 @@ int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) {
                        // takes the first application from list wo priority
                        if (!*AIDlen) {
                        memcpy(AID, tgAID->value, tgAID->len);
-                       *AIDlen = tgAID->len;                           
+                       *AIDlen = tgAID->len;
                        }
                }
-               
+
                ttmp = tlvdb_find_next(ttmp, 0x6f);
        }
-       
+
        return 0;
 }
 
-int EMVGPO(bool LeaveFieldON, uint8_t *PDOL, size_t PDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       return EMVExchange(LeaveFieldON, (sAPDU){0x80, 0xa8, 0x00, 0x00, PDOLLen, PDOL}, Result, MaxResultLen, ResultLen, sw, tlv);
+int EMVGPO(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *PDOL, size_t PDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) 
+{
+       uint8_t GPO_APDU[APDU_COMMAND_LEN] = {0x80, 0xa8, 0x00, 0x00, PDOLLen, 0x00};
+       memcpy(GPO_APDU + 5, PDOL, PDOLLen);
+       int apdulen = 5 + PDOLLen;
+       
+       return EMVExchange(channel, LeaveFieldON, GPO_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 
-int EMVReadRecord(bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       return EMVExchange(LeaveFieldON, (sAPDU){0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, Result, MaxResultLen, ResultLen, sw, tlv);
+int EMVReadRecord(EMVCommandChannel channel, bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
+{
+       uint8_t read_APDU[5] = {0x00, ISO7816_READ_RECORDS, SFIrec, (SFI << 3) | 0x04, 0x00};
+       int res = EMVExchange(channel, LeaveFieldON, read_APDU, sizeof(read_APDU), Result, MaxResultLen, ResultLen, sw, tlv);
+       if (*sw == 0x6700) {
+               PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
+               res = EMVExchangeEx(channel, false, LeaveFieldON, read_APDU, sizeof(read_APDU), Result, MaxResultLen, ResultLen, sw, tlv);
+       }
+       return res;
 }
 
-int EMVAC(bool LeaveFieldON, uint8_t RefControl, uint8_t *CDOL, size_t CDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       return EMVExchange(LeaveFieldON, (sAPDU){0x80, 0xae, RefControl, 0x00, CDOLLen, CDOL}, Result, MaxResultLen, ResultLen, sw, tlv);
+int EMVAC(EMVCommandChannel channel, bool LeaveFieldON, uint8_t RefControl, uint8_t *CDOL, size_t CDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
+{
+       uint8_t CDOL_APDU[APDU_COMMAND_LEN] = {0x80, 0xae, RefControl, 0x00, CDOLLen, 0x00};
+       memcpy(CDOL_APDU + 5, CDOL, CDOLLen);
+       int apdulen = 5 + CDOLLen;
+       
+       return EMVExchange(channel, LeaveFieldON, CDOL_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 
-int EMVGenerateChallenge(bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       return EMVExchange(LeaveFieldON, (sAPDU){0x00, 0x84, 0x00, 0x00, 0x00, NULL}, Result, MaxResultLen, ResultLen, sw, tlv);
+int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) 
+{
+       uint8_t get_challenge_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_GET_CHALLENGE, 0x00, 0x00};
+       
+       int res = EMVExchange(channel, LeaveFieldON, get_challenge_APDU, 4, Result, MaxResultLen, ResultLen, sw, tlv);
+       if (*sw == 0x6700) {
+               PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
+               res = EMVExchangeEx(channel, false, LeaveFieldON, get_challenge_APDU, 4, Result, MaxResultLen, ResultLen, sw, tlv);
+       }
+       return res;
 }
 
-int MSCComputeCryptoChecksum(bool LeaveFieldON, uint8_t *UDOL, uint8_t UDOLlen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
-       return EMVExchange(LeaveFieldON, (sAPDU){0x80, 0x2a, 0x8e, 0x80, UDOLlen, UDOL}, Result, MaxResultLen, ResultLen, sw, tlv);
+int EMVInternalAuthenticate(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *DDOL, size_t DDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) 
+{
+       uint8_t authenticate_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_INTERNAL_AUTHENTICATION, 0x00, 0x00, DDOLLen, 0x00};
+       memcpy(authenticate_APDU + 5, DDOL, DDOLLen);
+       int apdulen = 5 + DDOLLen;
+       
+       return EMVExchange(channel, LeaveFieldON, authenticate_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 
-// Authentication 
-int trSDA(uint8_t *AID, size_t AIDlen, struct tlvdb *tlv) {
-       if (AIDlen < 5) 
-               return 1;
-       
-       // Get public key index (0x8F)
-       //int PubKeyIndx = 0; 
-       
-       // Get public key from key storage
-       // GetPublicKey(AID(0..5), PubKeyIndx)
-       
-       // Processing of Issuer Public Key Certificate (0x90)
-       //Certificate = 
-       
-       // check issuer public key certificate
-       
-       // Verification of Signed Static Application Data (SSAD) (0x93)
-       
-       // get 9F4A Static Data Authentication Tag List
-       
-       // set Data Auth Code (9F45) from SSAD 
+int MSCComputeCryptoChecksum(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *UDOL, uint8_t UDOLlen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
+{
+       uint8_t checksum_APDU[APDU_COMMAND_LEN] = {0x80, 0x2a, 0x8e, 0x80, UDOLlen, 0x00};
+       memcpy(checksum_APDU + 5, UDOL, UDOLlen);
+       int apdulen = 5 + UDOLlen;
        
+       return EMVExchange(channel, LeaveFieldON, checksum_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
+}
+
+// Authentication
+struct emv_pk *get_ca_pk(struct tlvdb *db) {
+       const struct tlv *df_tlv = tlvdb_get(db, 0x84, NULL);
+       const struct tlv *caidx_tlv = tlvdb_get(db, 0x8f, NULL);
+
+       if (!df_tlv || !caidx_tlv || df_tlv->len < 6 || caidx_tlv->len != 1)
+               return NULL;
+
+       PrintAndLogEx(NORMAL, "CA public key index 0x%0x", caidx_tlv->value[0]);
+       return emv_pk_get_ca_pk(df_tlv->value, caidx_tlv->value[0]);
+}
+
+int trSDA(struct tlvdb *tlv) {
+
+       struct emv_pk *pk = get_ca_pk(tlv);
+       if (!pk) {
+               PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
+               return 2;
+       }
+
+       struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
+       if (!issuer_pk) {
+               emv_pk_free(pk);
+               PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
+               return 2;
+       }
+
+       PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx",
+               issuer_pk->rid[0],
+               issuer_pk->rid[1],
+               issuer_pk->rid[2],
+               issuer_pk->rid[3],
+               issuer_pk->rid[4],
+               issuer_pk->index,
+               issuer_pk->serial[0],
+               issuer_pk->serial[1],
+               issuer_pk->serial[2]
+               );
+
+       const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
+       if (!sda_tlv || sda_tlv->len < 1) {
+               emv_pk_free(issuer_pk);
+               emv_pk_free(pk);
+               PrintAndLogEx(WARNING, "Can't find input list for Offline Data Authentication. Exit.");
+               return 3;
+       }
+
+       struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
+       if (dac_db) {
+               const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
+               PrintAndLogEx(NORMAL, "SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);
+               tlvdb_add(tlv, dac_db);
+       } else {
+               emv_pk_free(issuer_pk);
+               emv_pk_free(pk);
+               PrintAndLogEx(WARNING, "SSAD verify error");
+               return 4;
+       }
+
+       emv_pk_free(issuer_pk);
+       emv_pk_free(pk);
        return 0;
 }
 
+static const unsigned char default_ddol_value[] = {0x9f, 0x37, 0x04};
+static struct tlv default_ddol_tlv = {.tag = 0x9f49, .len = 3, .value = default_ddol_value };
+
+int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
+       uint8_t buf[APDU_RESPONSE_LEN] = {0};
+       size_t len = 0;
+       uint16_t sw = 0;
+
+       struct emv_pk *pk = get_ca_pk(tlv);
+       if (!pk) {
+               PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
+               return 2;
+       }
+
+       const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
+       if (!sda_tlv || sda_tlv->len < 1) {
+               emv_pk_free(pk);
+               PrintAndLogEx(WARNING, "Error: Can't find input list for Offline Data Authentication. Exit.");
+               return 3;
+       }
+
+       struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
+       if (!issuer_pk) {
+               emv_pk_free(pk);
+               PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
+               return 2;
+       }
+       PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
+                       issuer_pk->rid[0],
+                       issuer_pk->rid[1],
+                       issuer_pk->rid[2],
+                       issuer_pk->rid[3],
+                       issuer_pk->rid[4],
+                       issuer_pk->index,
+                       issuer_pk->serial[0],
+                       issuer_pk->serial[1],
+                       issuer_pk->serial[2]
+                       );
+
+       struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv);
+       if (!icc_pk) {
+               emv_pk_free(pk);
+               emv_pk_free(issuer_pk);
+               PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit.");
+               return 2;
+       }
+       PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
+                       icc_pk->rid[0],
+                       icc_pk->rid[1],
+                       icc_pk->rid[2],
+                       icc_pk->rid[3],
+                       icc_pk->rid[4],
+                       icc_pk->index,
+                       icc_pk->serial[0],
+                       icc_pk->serial[1],
+                       icc_pk->serial[2]
+                       );
+
+       struct emv_pk *icc_pe_pk = emv_pki_recover_icc_pe_cert(issuer_pk, tlv);
+       if (!icc_pe_pk) {
+               PrintAndLogEx(WARNING, "WARNING: ICC PE PK recover error. ");
+       } else {
+               PrintAndLogEx(SUCCESS, "ICC PE PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
+                               icc_pe_pk->rid[0],
+                               icc_pe_pk->rid[1],
+                               icc_pe_pk->rid[2],
+                               icc_pe_pk->rid[3],
+                               icc_pe_pk->rid[4],
+                               icc_pe_pk->index,
+                               icc_pe_pk->serial[0],
+                               icc_pe_pk->serial[1],
+                               icc_pe_pk->serial[2]
+                               );
+       }
+
+       // 9F4B: Signed Dynamic Application Data
+       const struct tlv *sdad_tlv = tlvdb_get(tlv, 0x9f4b, NULL);
+       // DDA with internal authenticate OR fDDA with filled 0x9F4B tag (GPO result)
+       // EMV kernel3 v2.4, contactless book C-3, C.1., page 147
+       if (sdad_tlv) {
+               PrintAndLogEx(NORMAL, "\n* * Got Signed Dynamic Application Data (9F4B) form GPO. Maybe fDDA...");
+
+               const struct tlvdb *atc_db = emv_pki_recover_atc_ex(icc_pk, tlv, true);
+               if (!atc_db) {
+                       PrintAndLogEx(WARNING, "Error: Can't recover IDN (ICC Dynamic Number)");
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 8;
+               }
+
+               // 9f36 Application Transaction Counter (ATC)
+               const struct tlv *atc_tlv = tlvdb_get(atc_db, 0x9f36, NULL);
+               if(atc_tlv) {
+                       PrintAndLogEx(NORMAL, "\nATC (Application Transaction Counter) [%zu] %s", atc_tlv->len, sprint_hex_inrow(atc_tlv->value, atc_tlv->len));
+
+                       const struct tlv *core_atc_tlv = tlvdb_get(tlv, 0x9f36, NULL);
+                       if(tlv_equal(core_atc_tlv, atc_tlv)) {
+                               PrintAndLogEx(SUCCESS, "ATC check OK.");
+                               PrintAndLogEx(SUCCESS, "fDDA (fast DDA) verified OK.");
+                       } else {
+                               PrintAndLogEx(WARNING, "Error: fDDA verified, but ATC in the certificate and ATC in the record not the same.");
+                       }
+               } else {
+                       PrintAndLogEx(NORMAL, "\nERROR: fDDA (fast DDA) verify error");
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 9;
+               }
+       } else {
+               struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
+               if (dac_db) {
+                       const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
+                       PrintAndLogEx(NORMAL, "SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);
+                       tlvdb_add(tlv, dac_db);
+               } else {
+                       PrintAndLogEx(WARNING, "Error: SSAD verify error");
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 4;
+               }
+
+               PrintAndLogEx(NORMAL, "\n* Calc DDOL");
+               const struct tlv *ddol_tlv = tlvdb_get(tlv, 0x9f49, NULL);
+               if (!ddol_tlv) {
+                       ddol_tlv = &default_ddol_tlv;
+                       PrintAndLogEx(NORMAL, "DDOL [9f49] not found. Using default DDOL");
+               }
+
+               struct tlv *ddol_data_tlv = dol_process(ddol_tlv, tlv, 0);
+               if (!ddol_data_tlv) {
+                       PrintAndLogEx(WARNING, "Error: Can't create DDOL TLV");
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 5;
+               }
+
+               PrintAndLogEx(NORMAL, "DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len));
+
+               PrintAndLogEx(NORMAL, "\n* Internal Authenticate");
+               int res = EMVInternalAuthenticate(channel, true, (uint8_t *)ddol_data_tlv->value, ddol_data_tlv->len, buf, sizeof(buf), &len, &sw, NULL);
+               if (res) {
+                       PrintAndLogEx(WARNING, "Internal Authenticate error(%d): %4x. Exit...", res, sw);
+                       free(ddol_data_tlv);
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 6;
+               }
+
+               struct tlvdb *dda_db = NULL;
+               if (buf[0] == 0x80) {
+                       if (len < 3 ) {
+                               PrintAndLogEx(WARNING, "Error: Internal Authenticate format1 parsing error. length=%d", len);
+                       } else {
+                               // 9f4b Signed Dynamic Application Data
+                               dda_db = tlvdb_fixed(0x9f4b, len - 2, buf + 2);
+                               tlvdb_add(tlv, dda_db);
+                               if (decodeTLV){
+                                       PrintAndLogEx(NORMAL, "* * Decode response format 1:");
+                                       TLVPrintFromTLV(dda_db);
+                               }
+                       }
+               } else {
+                       dda_db = tlvdb_parse_multi(buf, len);
+                       if(!dda_db) {
+                               PrintAndLogEx(WARNING, "Error: Can't parse Internal Authenticate result as TLV");
+                               free(ddol_data_tlv);
+                               emv_pk_free(pk);
+                               emv_pk_free(issuer_pk);
+                               emv_pk_free(icc_pk);
+                               return 7;
+                       }
+                       tlvdb_add(tlv, dda_db);
+
+                       if (decodeTLV)
+                               TLVPrintFromTLV(dda_db);
+               }
+
+               struct tlvdb *idn_db = emv_pki_recover_idn_ex(icc_pk, dda_db, ddol_data_tlv, true);
+               free(ddol_data_tlv);
+               if (!idn_db) {
+                       PrintAndLogEx(WARNING, "Error: Can't recover IDN (ICC Dynamic Number)");
+                       tlvdb_free(dda_db);
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 8;
+               }
+               tlvdb_free(dda_db);
+
+               // 9f4c ICC Dynamic Number
+               const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL);
+               if(idn_tlv) {
+                       PrintAndLogEx(NORMAL, "\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
+                       PrintAndLogEx(NORMAL, "DDA verified OK.");
+                       tlvdb_add(tlv, idn_db);
+                       tlvdb_free(idn_db);
+               } else {
+                       PrintAndLogEx(NORMAL, "\nERROR: DDA verify error");
+                       tlvdb_free(idn_db);
+
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 9;
+               }
+       }
+
+       emv_pk_free(pk);
+       emv_pk_free(issuer_pk);
+       emv_pk_free(icc_pk);
+       return 0;
+}
+
+int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, struct tlv *ac_data_tlv) {
+
+       struct emv_pk *pk = get_ca_pk(tlv);
+       if (!pk) {
+               PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
+               return 2;
+       }
+
+       const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
+       if (!sda_tlv || sda_tlv->len < 1) {
+               PrintAndLogEx(WARNING, "Error: Can't find input list for Offline Data Authentication. Exit.");
+               emv_pk_free(pk);
+               return 3;
+       }
+
+       struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
+       if (!issuer_pk) {
+               PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
+               emv_pk_free(pk);
+               return 2;
+       }
+       PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
+                       issuer_pk->rid[0],
+                       issuer_pk->rid[1],
+                       issuer_pk->rid[2],
+                       issuer_pk->rid[3],
+                       issuer_pk->rid[4],
+                       issuer_pk->index,
+                       issuer_pk->serial[0],
+                       issuer_pk->serial[1],
+                       issuer_pk->serial[2]
+                       );
+
+       struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv);
+       if (!icc_pk) {
+               PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit.");
+               emv_pk_free(pk);
+               emv_pk_free(issuer_pk);
+               return 2;
+       }
+       PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
+                       icc_pk->rid[0],
+                       icc_pk->rid[1],
+                       icc_pk->rid[2],
+                       icc_pk->rid[3],
+                       icc_pk->rid[4],
+                       icc_pk->index,
+                       icc_pk->serial[0],
+                       icc_pk->serial[1],
+                       icc_pk->serial[2]
+                       );
+
+       struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
+       if (dac_db) {
+               const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
+               PrintAndLogEx(NORMAL, "SSAD verified OK. (%02hhx:%02hhx)", dac_tlv->value[0], dac_tlv->value[1]);
+               tlvdb_add(tlv, dac_db);
+       } else {
+               PrintAndLogEx(WARNING, "Error: SSAD verify error");
+               emv_pk_free(pk);
+               emv_pk_free(issuer_pk);
+               emv_pk_free(icc_pk);
+               return 4;
+       }
+
+       PrintAndLogEx(NORMAL, "\n* * Check Signed Dynamic Application Data (SDAD)");
+       struct tlvdb *idn_db = emv_pki_perform_cda_ex(icc_pk, tlv, ac_tlv,
+                       pdol_data_tlv, // pdol
+                       ac_data_tlv,   // cdol1
+                       NULL,          // cdol2
+                       true);
+       if (idn_db) {
+               const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL);
+               PrintAndLogEx(NORMAL, "\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
+               PrintAndLogEx(NORMAL, "CDA verified OK.");
+               tlvdb_add(tlv, idn_db);
+       } else {
+               PrintAndLogEx(NORMAL, "\nERROR: CDA verify error");
+       }
+
+       emv_pk_free(pk);
+       emv_pk_free(issuer_pk);
+       emv_pk_free(icc_pk);
+       return 0;
+}
+
+int RecoveryCertificates(struct tlvdb *tlvRoot, json_t *root) {
+
+       struct emv_pk *pk = get_ca_pk(tlvRoot);
+       if (!pk) {
+               PrintAndLog("ERROR: Key not found. Exit.");
+               return 1;
+       }
+
+       struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlvRoot);
+       if (!issuer_pk) {
+               emv_pk_free(pk);
+               PrintAndLog("WARNING: Issuer certificate not found. Exit.");
+               return 2;
+       }
+       PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx",
+                       issuer_pk->rid[0],
+                       issuer_pk->rid[1],
+                       issuer_pk->rid[2],
+                       issuer_pk->rid[3],
+                       issuer_pk->rid[4],
+                       issuer_pk->index,
+                       issuer_pk->serial[0],
+                       issuer_pk->serial[1],
+                       issuer_pk->serial[2]
+                       );
+
+       JsonSaveBufAsHex(root, "$.ApplicationData.RID", issuer_pk->rid, 5);
+
+       char *issuer_pk_c = emv_pk_dump_pk(issuer_pk);
+       JsonSaveStr(root, "$.ApplicationData.IssuerPublicKeyDec", issuer_pk_c);
+       JsonSaveBufAsHex(root, "$.ApplicationData.IssuerPublicKeyModulus", issuer_pk->modulus, issuer_pk->mlen);
+       free(issuer_pk_c);
+
+       struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, NULL);
+       if (!icc_pk) {
+               emv_pk_free(pk);
+               emv_pk_free(issuer_pk);
+               PrintAndLogEx(WARNING, "WARNING: ICC certificate not found. Exit.");
+               return 2;
+       }
+       PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
+                       icc_pk->rid[0],
+                       icc_pk->rid[1],
+                       icc_pk->rid[2],
+                       icc_pk->rid[3],
+                       icc_pk->rid[4],
+                       icc_pk->index,
+                       icc_pk->serial[0],
+                       icc_pk->serial[1],
+                       icc_pk->serial[2]
+                       );
+
+       char *icc_pk_c = emv_pk_dump_pk(icc_pk);
+       JsonSaveStr(root, "$.ApplicationData.ICCPublicKeyDec", icc_pk_c);
+       JsonSaveBufAsHex(root, "$.ApplicationData.ICCPublicKeyModulus", icc_pk->modulus, icc_pk->mlen);
+       free(issuer_pk_c);
+
+       return 0;
+}
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