Emv scan (#691)
[proxmark3-svn] / client / emv / emvcore.c
index 9264b11068c4a9b00f73baa2954a0d62c78b5a70..f9dd0cbe62546c550893f60dd478914f458a499f 100644 (file)
 //-----------------------------------------------------------------------------
 
 #include "emvcore.h"
+#include "emvjson.h"
 
-static bool print_cb(void *data, const struct tlv *tlv) {
-       emv_tag_dump(tlv, stdout);
-       dump_buffer(tlv->value, tlv->len, stdout);
+// Got from here. Thanks)
+// https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix
+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*);
+
+char *TransactionTypeStr[] = {
+       "MSD",
+       "VSDC",
+       "qVCDCMCHIP",
+       "CDA"
+};
+
+typedef struct {
+       enum CardPSVendor vendor;
+       const char* aid;
+} TAIDList;
+
+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 
+       // Visa USA
+       { 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   
+       // American Express
+       { CV_AMERICANEXPRESS, "A000000025" },
+       { CV_AMERICANEXPRESS, "A0000000250000" },
+       { CV_AMERICANEXPRESS, "A00000002501" },
+       { CV_AMERICANEXPRESS, "A000000025010402" },
+       { 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" },            
+       // JCB CO., LTD.
+       { CV_JCB, "A00000006510" },                                     // JCB  
+       { CV_JCB, "A0000000651010" },                           // JCB J Smart Credit   
+       // 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
+};
+static const size_t AIDlistLen = sizeof(AIDlist)/sizeof(TAIDList);
+
+static bool APDULogging = false;
+void SetAPDULogging(bool logging) {
+       APDULogging = logging;
+}
+
+enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen) {
+       char buf[100] = {0};
+       if (AIDlen < 1)
+               return CV_NA;
+
+       hex_to_buffer((uint8_t *)buf, AID, AIDlen, sizeof(buf) - 1, 0, 0, true);
+
+       for(int i = 0; i < AIDlistLen; i ++) {
+               if (strncmp(AIDlist[i].aid, buf, strlen(AIDlist[i].aid)) == 0){
+                       return AIDlist[i].vendor;
+               }
+       }       
+       
+       return CV_NA;
+}
+
+static bool print_cb(void *data, const struct tlv *tlv, int level, bool is_leaf) {
+       emv_tag_dump(tlv, stdout, level);
+       if (is_leaf) {
+               dump_buffer(tlv->value, tlv->len, stdout, level);
+       }
 
        return true;
 }
@@ -21,11 +123,797 @@ void TLVPrintFromBuffer(uint8_t *data, int datalen) {
        struct tlvdb *t = NULL;
        t = tlvdb_parse_multi(data, datalen);
        if (t) {
-               PrintAndLog("TLV decoded:");
+               PrintAndLog("-------------------- TLV decoded --------------------");
                
-               tlvdb_visit(t, print_cb, NULL);
+               tlvdb_visit(t, print_cb, NULL, 0);
                tlvdb_free(t);
        } else {
                PrintAndLog("TLV ERROR: Can't parse response as TLV tree.");
        }
 }
+
+void TLVPrintFromTLVLev(struct tlvdb *tlv, int level) {
+       if (!tlv) 
+               return;
+       
+       tlvdb_visit(tlv, print_cb, NULL, level);
+}
+
+void TLVPrintFromTLV(struct tlvdb *tlv) {
+       TLVPrintFromTLVLev(tlv, 0);
+}
+
+void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv) {
+       PrintAndLog("|------------------|--------|-------------------------|");
+       PrintAndLog("|    AID           |Priority| Name                    |");
+       PrintAndLog("|------------------|--------|-------------------------|");
+
+       struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
+       if (!ttmp)
+               PrintAndLog("|                         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) : "   ", 
+                       (tgName) ? sprint_ascii_ex(tgName->value, tgName->len, 25) : "                         ");
+               
+               ttmp = tlvdb_find_next(ttmp, 0x6f);
+       }
+
+       PrintAndLog("|------------------|--------|-------------------------|");
+}
+
+struct tlvdb *GetPANFromTrack2(const struct tlv *track2) {
+       char track2Hex[200] = {0};
+       uint8_t PAN[100] = {0};
+       int PANlen = 0;
+       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;
+       
+       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);
+}
+
+struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2) {
+       char track2Hex[200] = {0};
+       char dCVVHex[100] = {0};
+       uint8_t dCVV[100] = {0};
+       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;
+
+       memset(dCVVHex, '0', 32);
+       // ATC
+       memcpy(dCVVHex + 0, track2Hex + posD + PINlen + 11, 4);
+       // PAN 5 hex
+       memcpy(dCVVHex + 4, track2Hex, 5);
+       // expire date
+       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, bool IncludeLe, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
+       uint8_t data[APDU_RES_LEN] = {0};
+
+       *ResultLen = 0;
+       if (sw) *sw = 0;
+       uint16_t isw = 0;
+       
+       if (ActivateField)
+               DropField();
+       
+       // COMPUTE APDU
+       memcpy(data, &apdu, 5);
+       if (apdu.data)
+               memcpy(&data[5], apdu.data, apdu.Lc);
+       
+       if (APDULogging)
+               PrintAndLog(">>>> %s", sprint_hex(data, (IncludeLe?6:5) + apdu.Lc));
+
+       // 6 byes + data = INS + CLA + P1 + P2 + Lc + <data = Nc> + Le(?IncludeLe)
+       int res = ExchangeAPDU14a(data, (IncludeLe?6:5) + apdu.Lc, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+       
+       if (res) {
+               return res;
+       }
+
+       if (APDULogging)
+               PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen));
+
+       *ResultLen -= 2;
+       isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
+       if (sw)
+               *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;
+       }
+
+       // add to tlv tree
+       if (tlv) {
+               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, true, 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}, true, 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};
+       *ResultLen = 0;
+       int len = 0;
+       int res = 0;
+       switch (PSENum) {
+               case 1:
+                       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);
+
+       return res;
+}
+
+int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
+       uint8_t data[APDU_RES_LEN] = {0};
+       size_t datalen = 0;
+       uint16_t sw = 0;
+       int res;
+
+       // select PPSE
+       res = EMVSelectPSE(ActivateField, true, 2, data, sizeof(data), &datalen, &sw);
+
+       if (!res){
+               struct tlvdb *t = NULL;
+               t = tlvdb_parse_multi(data, datalen);
+               if (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.");
+                       
+                       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);
+
+                                       // retry if error and not returned sw error
+                                       if (res && res != 5) {
+                                               if (++retrycnt < 3){
+                                                       continue;
+                                               } else {
+                                                       // card select error, proxmark error
+                                                       if (res == 1) {
+                                                               PrintAndLog("Exit...");
+                                                               return 1;
+                                                       }
+                                                       
+                                                       retrycnt = 0;
+                                                       PrintAndLog("Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len));
+                                               }
+                                               
+                                               // next element
+                                               ttmp = tlvdb_find_next(ttmp, 0x61);
+                                               continue;
+                                       }
+                                       retrycnt = 0;
+
+                                       // all is ok
+                                       if (decodeTLV){
+                                               PrintAndLog("%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.");
+               }               
+       } else {
+               PrintAndLog("PPSE ERROR: Can't select PPSE AID. Error: %d", res);
+       }
+       
+       if(!LeaveFieldON)
+               DropField();
+       
+       return res;
+}
+
+int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
+       uint8_t aidbuf[APDU_AID_LEN] = {0};
+       int aidlen = 0;
+       uint8_t data[APDU_RES_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);
+               // 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...");
+                                       return 1;
+                               }
+                               
+                               retrycnt = 0;
+                               PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i].aid);
+                       }
+                       continue;
+               }
+               retrycnt = 0;
+               
+               if (res)
+                       continue;
+               
+               if (decodeTLV){
+                       PrintAndLog("%s:", AIDlist[i].aid);
+                       TLVPrintFromBuffer(data, datalen);
+               }
+       }
+
+       return 0;
+}
+
+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); 
+                       if (pt < prio) {
+                               prio = pt;
+                               
+                               memcpy(AID, tgAID->value, tgAID->len);
+                               *AIDlen = tgAID->len;
+                       }
+               } else {
+                       // takes the first application from list wo priority
+                       if (!*AIDlen) {
+                       memcpy(AID, tgAID->value, 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 EMVReadRecord(bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
+       int res = EMVExchange(LeaveFieldON, (sAPDU){0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, Result, MaxResultLen, ResultLen, sw, tlv);
+       if (*sw == 0x6700) {
+               PrintAndLog(">>> trying to reissue command withouth Le...");
+               res = EMVExchangeEx(false, LeaveFieldON, (sAPDU){0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, false, 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 EMVGenerateChallenge(bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
+       int res = EMVExchange(LeaveFieldON, (sAPDU){0x00, 0x84, 0x00, 0x00, 0x00, NULL}, Result, MaxResultLen, ResultLen, sw, tlv);
+       if (*sw == 0x6700) {
+               PrintAndLog(">>> trying to reissue command withouth Le...");
+               res = EMVExchangeEx(false, LeaveFieldON, (sAPDU){0x00, 0x84, 0x00, 0x00, 0x00, NULL}, false, Result, MaxResultLen, ResultLen, sw, tlv);
+       }
+       return res;
+}
+
+int EMVInternalAuthenticate(bool LeaveFieldON, uint8_t *DDOL, size_t DDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
+       return EMVExchange(LeaveFieldON, (sAPDU){0x00, 0x88, 0x00, 0x00, DDOLLen, DDOL}, Result, MaxResultLen, ResultLen, sw, tlv);
+}
+
+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);
+}
+
+// Authentication 
+static 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;
+
+       PrintAndLog("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) {
+               PrintAndLog("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);
+               PrintAndLog("ERROR: Issuer certificate not found. Exit.");
+               return 2;
+       }
+
+       PrintAndLog("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);
+               PrintAndLog("ERROR: 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);
+               PrintAndLog("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);
+               PrintAndLog("ERROR: 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(bool decodeTLV, struct tlvdb *tlv) {
+       uint8_t buf[APDU_RES_LEN] = {0};
+       size_t len = 0;
+       uint16_t sw = 0;
+
+       struct emv_pk *pk = get_ca_pk(tlv);
+       if (!pk) {
+               PrintAndLog("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);
+               PrintAndLog("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);
+               PrintAndLog("ERROR: Issuer certificate not found. Exit.");
+               return 2;
+       }
+       printf("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);
+               PrintAndLog("ERROR: ICC setrificate not found. Exit.");
+               return 2;
+       }
+       printf("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) {
+               PrintAndLog("WARNING: ICC PE PK recover error. ");
+       } else {
+               printf("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) {
+               PrintAndLog("\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) {
+                       PrintAndLog("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) {
+                       PrintAndLog("\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)) {
+                               PrintAndLog("ATC check OK.");
+                               PrintAndLog("fDDA (fast DDA) verified OK.");
+                       } else {
+                               PrintAndLog("ERROR: fDDA verified, but ATC in the certificate and ATC in the record not the same.");
+                       }
+               } else {
+                       PrintAndLog("\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);
+                       printf("SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);
+                       tlvdb_add(tlv, dac_db);
+               } else {
+                       PrintAndLog("ERROR: SSAD verify error");
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 4;
+               }
+               
+               PrintAndLog("\n* Calc DDOL");
+               const struct tlv *ddol_tlv = tlvdb_get(tlv, 0x9f49, NULL);
+               if (!ddol_tlv) {
+                       ddol_tlv = &default_ddol_tlv;
+                       PrintAndLog("DDOL [9f49] not found. Using default DDOL");
+               }
+
+               struct tlv *ddol_data_tlv = dol_process(ddol_tlv, tlv, 0);
+               if (!ddol_data_tlv) {
+                       PrintAndLog("ERROR: Can't create DDOL TLV");
+                       emv_pk_free(pk);
+                       emv_pk_free(issuer_pk);
+                       emv_pk_free(icc_pk);
+                       return 5;
+               }
+
+               PrintAndLog("DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len));
+
+               PrintAndLog("\n* Internal Authenticate");
+               int res = EMVInternalAuthenticate(true, (uint8_t *)ddol_data_tlv->value, ddol_data_tlv->len, buf, sizeof(buf), &len, &sw, NULL);
+               if (res) {      
+                       PrintAndLog("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 ) {
+                               PrintAndLog("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){
+                                       PrintAndLog("* * Decode response format 1:");
+                                       TLVPrintFromTLV(dda_db);
+                               }
+                       }
+               } else {
+                       dda_db = tlvdb_parse_multi(buf, len);
+                       if(!dda_db) {
+                               PrintAndLog("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) {
+                       PrintAndLog("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) {
+                       PrintAndLog("\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
+                       PrintAndLog("DDA verified OK.");
+                       tlvdb_add(tlv, idn_db);
+                       tlvdb_free(idn_db);
+               } else {
+                       PrintAndLog("\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) {
+               PrintAndLog("ERROR: Key not found. Exit.");
+               return 2;
+       }
+
+       const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
+       if (!sda_tlv || sda_tlv->len < 1) {
+               PrintAndLog("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) {
+               PrintAndLog("ERROR: Issuer certificate not found. Exit.");
+               emv_pk_free(pk);
+               return 2;
+       }
+       printf("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) {
+               PrintAndLog("ERROR: ICC setrificate not found. Exit.");
+               emv_pk_free(pk);
+               emv_pk_free(issuer_pk);
+               return 2;
+       }
+       printf("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);
+               PrintAndLog("SSAD verified OK. (%02hhx:%02hhx)", dac_tlv->value[0], dac_tlv->value[1]);
+               tlvdb_add(tlv, dac_db);
+       } else {
+               PrintAndLog("ERROR: SSAD verify error");
+               emv_pk_free(pk);
+               emv_pk_free(issuer_pk);
+               emv_pk_free(icc_pk);
+               return 4;
+       }
+       
+       PrintAndLog("\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);
+               PrintAndLog("\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
+               PrintAndLog("CDA verified OK.");
+               tlvdb_add(tlv, idn_db);
+       } else {
+               PrintAndLog("\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;
+       }
+       PrintAndLog("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, "$.ApplicationData.IssuerPublicKeyModulus", issuer_pk->modulus, issuer_pk->mlen);
+       free(issuer_pk_c);
+
+       struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, NULL);
+       if (!icc_pk) {
+               emv_pk_free(pk);
+               emv_pk_free(issuer_pk);
+               PrintAndLog("WARNING: ICC certificate not found. Exit.");
+               return 2;
+       }
+       printf("ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
+                       icc_pk->rid[0],
+                       icc_pk->rid[1],
+                       icc_pk->rid[2],
+                       icc_pk->rid[3],
+                       icc_pk->rid[4],
+                       icc_pk->index,
+                       icc_pk->serial[0],
+                       icc_pk->serial[1],
+                       icc_pk->serial[2]
+                       );
+       
+       char *icc_pk_c = emv_pk_dump_pk(icc_pk);
+       JsonSaveStr(root, "$.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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