cleaning up iclass.c and optimized_cipher.c

[proxmark3-svn] / client / emv / emvcore.c

diff --git a/client/emv/emvcore.c b/client/emv/emvcore.c
index 78a30206662ed873fa797bf7f06bd8c42aadf605..53c1c6115266cf2d7557a2d4a9a7b9572d29496f 100644 (file)
--- a/client/emv/emvcore.c
+++ b/client/emv/emvcore.c
@@ -9,13 +9,27 @@
 //-----------------------------------------------------------------------------
 
 #include "emvcore.h"
 //-----------------------------------------------------------------------------
 
 #include "emvcore.h"

+
+#include <string.h>

 #include "emvjson.h"
 #include "util_posix.h"
 #include "protocols.h"
 #include "emvjson.h"
 #include "util_posix.h"
 #include "protocols.h"

+#include "ui.h"
+#include "util.h"
+#include "emv_tags.h"
+#include "emv_pk.h"
+#include "emv_pki.h"
+#include "cmdhf14a.h"
+#include "apduinfo.h"
+#include "tlv.h"
+#include "dump.h"
+#include "dol.h"
+

 #ifdef WITH_SMARTCARD
 #include "cmdsmartcard.h"
 #endif
 
 #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 [] = {
 // Got from here. Thanks)
 // https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix
 static const char *PSElist [] = {


@@ -129,6 +143,12 @@ void SetAPDULogging(bool logging) {
        APDULogging = logging;
 }
 
        APDULogging = logging;
 }
 

+void DropFieldEx(EMVCommandChannel channel) {
+       if (channel == ECC_CONTACTLESS) {
+               DropField();
+       }
+}
+

 enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen) {
        char buf[100] = {0};
        if (AIDlen < 1)
 enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen) {
        char buf[100] = {0};
        if (AIDlen < 1)


@@ -267,39 +287,38 @@ struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2) {
 }
 
 
 }
 
 

-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) 
+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;
 {
        *ResultLen = 0;

-       if (sw) *sw = 0;
+       if (sw) *sw = 0;

        uint16_t isw = 0;
        int res = 0;
 
        uint16_t isw = 0;
        int res = 0;
 

-       if (ActivateField && channel == ECC_CONTACTLESS) {
-               DropField();
+       if (ActivateField) {
+               DropFieldEx( channel );

                msleep(50);
        }
 
        if (APDULogging)
                PrintAndLogEx(SUCCESS, ">>>> %s", sprint_hex(apdu, apdu_len));
 
                msleep(50);
        }
 
        if (APDULogging)
                PrintAndLogEx(SUCCESS, ">>>> %s", sprint_hex(apdu, apdu_len));
 

+#ifdef WITH_SMARTCARD

        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);
        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:
                        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);
                        res = ExchangeAPDUSC(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);

-                       if (res) {
-                               return res;
-                       }
-#endif

                        break;
        }
                        break;
        }

+#else
+       res = ExchangeAPDU14a(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+#endif
+
+       if (res) {
+               return res;
+       }

 
        if (APDULogging)
                PrintAndLogEx(SUCCESS, "<<<< %s", sprint_hex(Result, *ResultLen));
 
        if (APDULogging)
                PrintAndLogEx(SUCCESS, "<<<< %s", sprint_hex(Result, *ResultLen));


@@ -308,13 +327,18 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea
                return 200;
        }
 
                return 200;
        }
 

-/*     if (Result[*ResultLen-2] == 0x61) {
+       if (Result[*ResultLen-2] == 0x61) {

                uint8_t La = Result[*ResultLen-1];
                uint8_t get_response[5] = {apdu[0], ISO7816_GET_RESPONSE, 0x00, 0x00, La};
                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);
-       }*/
+               size_t oldlen = *ResultLen;
+               res = EMVExchangeEx(channel, false, LeaveFieldON, get_response, sizeof(get_response), &Result[oldlen-2], MaxResultLen-oldlen+2, ResultLen, sw, tlv);
+               *ResultLen += oldlen;
+       }
+
+       if (res) return res;

 
        *ResultLen -= 2;
 
        *ResultLen -= 2;

+

        isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
        if (sw)
                *sw = isw;
        isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
        if (sw)
                *sw = isw;


@@ -335,25 +359,24 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea
        return 0;
 }
 
        return 0;
 }
 

-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) 
+static 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);
 {
        uint8_t APDU[APDU_COMMAND_LEN];
        memcpy(APDU, apdu, apdu_len);

-       APDU[apdu_len] = 0x00; 
+       APDU[apdu_len] = 0x00;

        if (channel == ECC_CONTACTLESS) {
        if (channel == ECC_CONTACTLESS) {

-               if (apdu_len == 5 && apdu[4] == 0) {
-                       // there is no Lc but an Le == 0 already
+               if (apdu_len == 5) {
+                       // there is no Lc but an Le already

                } else if (apdu_len > 5 && apdu_len == 5 + apdu[4] + 1) {
                        // there is Lc, data and Le
                } else {
                } 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
+                       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);
 }
 
                }
        }
        return EMVExchangeEx(channel, false, LeaveFieldON, APDU, apdu_len, 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) 
+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);
 {
        uint8_t Select_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_SELECT_FILE, 0x04, 0x00, AIDLen, 0x00};
        memcpy(Select_APDU + 5, AID, AIDLen);


@@ -374,7 +397,7 @@ int EMVSelectPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldO
                        param_gethex_to_eol(PSElist[1], 0, buf, sizeof(buf), &len);
                        break;
                case 2:
                        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:
                        param_gethex_to_eol(PSElist[0], 0, buf, sizeof(buf), &len);
                        break;
                default:


@@ -387,62 +410,150 @@ int EMVSelectPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldO
        return res;
 }
 
        return res;
 }
 

+
+int EMVSelectWithRetry(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) {
+       int retrycnt = 0;
+       int res = 0;
+       do {
+               res = EMVSelect(channel, false, true, AID, AIDLen, Result, MaxResultLen, ResultLen, 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) {
+                                       PrintAndLogEx(WARNING, "Exit...");
+                                       return 1;
+                               }
+
+                               retrycnt = 0;
+                               PrintAndLogEx(NORMAL, "Retry failed [%s]. Skiped...", sprint_hex_inrow(AID, AIDLen));
+                               return res;
+                       }
+               }
+       } while (res && res != 5);
+
+       return res;
+}
+
+
+int EMVCheckAID(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlvdbelm, struct tlvdb *tlv){
+       uint8_t data[APDU_RESPONSE_LEN] = {0};
+       size_t datalen = 0;
+       int res = 0;
+       uint16_t sw = 0;
+
+       while (tlvdbelm) {
+               const struct tlv *tgAID = tlvdb_get_inchild(tlvdbelm, 0x4f, NULL);
+               if (tgAID) {
+                       res = EMVSelectWithRetry(channel, false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
+
+                       // if returned sw error
+                       if (res == 5) {
+                               // next element
+                               tlvdbelm = tlvdb_find_next(tlvdbelm, 0x61);
+                               continue;
+                       }
+
+                       if (res)
+                               break;
+
+                       // all is ok
+                       if (decodeTLV){
+                               PrintAndLogEx(NORMAL, "%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
+                               TLVPrintFromBuffer(data, datalen);
+                       }
+               }
+               tlvdbelm = tlvdb_find_next(tlvdbelm, 0x61);
+       }
+       return res;
+}
+
+

 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;
 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;

+       uint8_t sfidata[0x11][APDU_RESPONSE_LEN] = {0};
+       size_t sfidatalen[0x11] = {0};

        uint16_t sw = 0;
        int res;
        uint16_t sw = 0;
        int res;

+       bool fileFound = false;

 
        char *PSE_or_PPSE = PSENum == 1 ? "PSE" : "PPSE";
 
        char *PSE_or_PPSE = PSENum == 1 ? "PSE" : "PPSE";

-       
+

        // select PPSE
        res = EMVSelectPSE(channel, ActivateField, true, PSENum, data, sizeof(data), &datalen, &sw);
 
        if (!res){
        // select PPSE
        res = EMVSelectPSE(channel, ActivateField, true, PSENum, data, sizeof(data), &datalen, &sw);
 
        if (!res){

+               if (sw != 0x9000) {
+                       PrintAndLogEx(FAILED, "Select PSE error. APDU error: %04x.", sw);
+                       return 1;
+               }
+

                struct tlvdb *t = NULL;
                t = tlvdb_parse_multi(data, datalen);
                if (t) {
                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)
-                               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(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) {
-                                               if (++retrycnt < 3){
-                                                       continue;
-                                               } else {
-                                                       // card select error, proxmark error
-                                                       if (res == 1) {
-                                                               PrintAndLogEx(WARNING, "Exit...");
-                                                               return 1;
-                                                       }
-
-                                                       retrycnt = 0;
-                                                       PrintAndLogEx(NORMAL, "Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len));
-                                               }
+                       // PSE/PPSE with SFI
+                       struct tlvdb *tsfi = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0x88, 0x00});
+                       if (tsfi) {
+                               uint8_t sfin = 0;
+                               tlv_get_uint8(tlvdb_get_tlv(tsfi), &sfin);
+                               PrintAndLogEx(INFO, "* PPSE get SFI: 0x%02x.", sfin);
+
+                               for (uint8_t ui = 0x01; ui <= 0x10; ui++) {
+                                       PrintAndLogEx(INFO, "* * Get SFI: 0x%02x. num: 0x%02x", sfin, ui);
+                                       res = EMVReadRecord(channel, true, sfin, ui, sfidata[ui], APDU_RESPONSE_LEN, &sfidatalen[ui], &sw, NULL);
+
+                                       // end of records
+                                       if (sw == 0x6a83) {
+                                               sfidatalen[ui] = 0;
+                                               PrintAndLogEx(INFO, "* * PPSE get SFI. End of records.");
+                                               break;
+                                       }

 
 

-                                               // next element
-                                               ttmp = tlvdb_find_next(ttmp, 0x61);
-                                               continue;
+                                       // error catch!
+                                       if (sw != 0x9000) {
+                                               sfidatalen[ui] = 0;
+                                               PrintAndLogEx(FAILED, "PPSE get Error. APDU error: %04x.", sw);
+                                               break;

                                        }
                                        }

-                                       retrycnt = 0;

 
 

-                                       // all is ok

                                        if (decodeTLV){
                                        if (decodeTLV){

-                                               PrintAndLogEx(NORMAL, "%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
-                                               TLVPrintFromBuffer(data, datalen);
+                                               TLVPrintFromBuffer(sfidata[ui], sfidatalen[ui]);

                                        }
                                }
 
                                        }
                                }
 

-                               ttmp = tlvdb_find_next(ttmp, 0x61);
+                               for (uint8_t ui = 0x01; ui <= 0x10; ui++) {
+                                       if (sfidatalen[ui]) {
+                                               struct tlvdb *tsfi = NULL;
+                                               tsfi = tlvdb_parse_multi(sfidata[ui], sfidatalen[ui]);
+                                               if (tsfi) {
+                                                       struct tlvdb *tsfitmp = tlvdb_find_path(tsfi, (tlv_tag_t[]){0x70, 0x61, 0x00});
+                                                       if (!tsfitmp) {
+                                                               PrintAndLogEx(FAILED, "SFI 0x%02d doesn't have any records.", sfidatalen[ui]);
+                                                               continue;
+                                                       }
+                                                       res = EMVCheckAID(channel, decodeTLV, tsfitmp, tlv);
+                                                       fileFound = true;
+                                               }
+                                               tlvdb_free(tsfi);
+                                       }
+                               }

                        }
 
                        }
 

+
+                       // PSE/PPSE plain (wo SFI)
+                       struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00});
+                       if (ttmp) {
+                               res = EMVCheckAID(channel, decodeTLV, ttmp, tlv);
+                               fileFound = true;
+                       }
+
+                       if (!fileFound)
+                               PrintAndLogEx(FAILED, "PPSE doesn't have any records.");
+

                        tlvdb_free(t);
                } else {
                        PrintAndLogEx(WARNING, "%s ERROR: Can't get TLV from response.", PSE_or_PPSE);
                        tlvdb_free(t);
                } else {
                        PrintAndLogEx(WARNING, "%s ERROR: Can't get TLV from response.", PSE_or_PPSE);


@@ -451,8 +562,8 @@ int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldO
                PrintAndLogEx(WARNING, "%s ERROR: Can't select PPSE AID. Error: %d", PSE_or_PPSE, res);
        }
 
                PrintAndLogEx(WARNING, "%s ERROR: Can't select PPSE AID. Error: %d", PSE_or_PPSE, res);
        }
 

-       if(!LeaveFieldON && channel == ECC_CONTACTLESS)
-               DropField();
+       if (!LeaveFieldON)
+               DropFieldEx( channel );

 
        return res;
 }
 
        return res;
 }


@@ -468,14 +579,16 @@ int EMVSearch(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON,
        int retrycnt = 0;
        for(int i = 0; i < AIDlistLen; i ++) {
                param_gethex_to_eol(AIDlist[i].aid, 0, aidbuf, sizeof(aidbuf), &aidlen);
        int retrycnt = 0;
        for(int i = 0; i < AIDlistLen; i ++) {
                param_gethex_to_eol(AIDlist[i].aid, 0, aidbuf, sizeof(aidbuf), &aidlen);

-               res = EMVSelect(channel, (i == 0) ? ActivateField : false, (i == AIDlistLen - 1) ? LeaveFieldON : true, aidbuf, aidlen, data, sizeof(data), &datalen, &sw, tlv);
+               res = EMVSelect(channel, (i == 0) ? ActivateField : false, 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 {
                // retry if error and not returned sw error
                if (res && res != 5) {
                        if (++retrycnt < 3){
                                i--;
                        } else {

-                               // (1) - card select error, proxmark error OR (200) - result length = 0
-                               if (res == 1 || res == 200) {
+                               // (1) - card select error, (4) reply timeout, (200) - result length = 0
+                               if (res == 1 || res == 4 || res == 200) {
+                                       if (!LeaveFieldON)
+                                               DropFieldEx(channel);

                                        PrintAndLogEx(WARNING, "Exit...");
                                        return 1;
                                }
                                        PrintAndLogEx(WARNING, "Exit...");
                                        return 1;
                                }


@@ -499,6 +612,9 @@ int EMVSearch(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON,
                }
        }
 
                }
        }
 

+       if (!LeaveFieldON)
+               DropFieldEx(channel);
+

        return 0;
 }
 
        return 0;
 }
 


@@ -541,12 +657,12 @@ int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) {
        return 0;
 }
 
        return 0;
 }
 

-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) 
+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};
+       uint8_t GPO_APDU[APDU_COMMAND_LEN] = {0x80, ISO7816_GET_PROCESSING_OPTIONS, 0x00, 0x00, PDOLLen, 0x00};

        memcpy(GPO_APDU + 5, PDOL, PDOLLen);
        int apdulen = 5 + PDOLLen;
        memcpy(GPO_APDU + 5, PDOL, PDOLLen);
        int apdulen = 5 + PDOLLen;

-       
+

        return EMVExchange(channel, LeaveFieldON, GPO_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 
        return EMVExchange(channel, LeaveFieldON, GPO_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 


@@ -566,14 +682,14 @@ int EMVAC(EMVCommandChannel channel, bool LeaveFieldON, uint8_t RefControl, uint
        uint8_t CDOL_APDU[APDU_COMMAND_LEN] = {0x80, 0xae, RefControl, 0x00, CDOLLen, 0x00};
        memcpy(CDOL_APDU + 5, CDOL, CDOLLen);
        int apdulen = 5 + CDOLLen;
        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);
 }
 
        return EMVExchange(channel, LeaveFieldON, CDOL_APDU, apdulen, 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) 
+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};
 {
        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...");
        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...");


@@ -582,12 +698,12 @@ int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *
        return res;
 }
 
        return res;
 }
 

-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) 
+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};
+       uint8_t authenticate_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_INTERNAL_AUTHENTICATE, 0x00, 0x00, DDOLLen, 0x00};

        memcpy(authenticate_APDU + 5, DDOL, DDOLLen);
        int apdulen = 5 + DDOLLen;
        memcpy(authenticate_APDU + 5, DDOL, DDOLLen);
        int apdulen = 5 + DDOLLen;

-       
+

        return EMVExchange(channel, LeaveFieldON, authenticate_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 
        return EMVExchange(channel, LeaveFieldON, authenticate_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 


@@ -596,7 +712,7 @@ int MSCComputeCryptoChecksum(EMVCommandChannel channel, bool LeaveFieldON, uint8
        uint8_t checksum_APDU[APDU_COMMAND_LEN] = {0x80, 0x2a, 0x8e, 0x80, UDOLlen, 0x00};
        memcpy(checksum_APDU + 5, UDOL, UDOLlen);
        int apdulen = 5 + UDOLlen;
        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);
 }
 
        return EMVExchange(channel, LeaveFieldON, checksum_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
 }
 


@@ -608,7 +724,7 @@ struct emv_pk *get_ca_pk(struct tlvdb *db) {
        if (!df_tlv || !caidx_tlv || df_tlv->len < 6 || caidx_tlv->len != 1)
                return 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]);
+       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]);
 }
 
        return emv_pk_get_ca_pk(df_tlv->value, caidx_tlv->value[0]);
 }
 


@@ -650,7 +766,7 @@ int trSDA(struct tlvdb *tlv) {
        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);
        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]);
+               PrintAndLogEx(NORMAL, "SDA verified OK. (Data Authentication Code: %02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);

                tlvdb_add(tlv, dac_db);
        } else {
                emv_pk_free(issuer_pk);
                tlvdb_add(tlv, dac_db);
        } else {
                emv_pk_free(issuer_pk);


@@ -679,12 +795,12 @@ int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
        }
 
        const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
        }
 
        const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);

-       if (!sda_tlv || sda_tlv->len < 1) {
+/*  if (!sda_tlv || sda_tlv->len < 1) { it may be 0!!!!

                emv_pk_free(pk);
                PrintAndLogEx(WARNING, "Error: Can't find input list for Offline Data Authentication. Exit.");
                return 3;
        }
                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);
        struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
        if (!issuer_pk) {
                emv_pk_free(pk);


@@ -707,7 +823,7 @@ int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
        if (!icc_pk) {
                emv_pk_free(pk);
                emv_pk_free(issuer_pk);
        if (!icc_pk) {
                emv_pk_free(pk);
                emv_pk_free(issuer_pk);

-               PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit.");
+               PrintAndLogEx(WARNING, "Error: 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",
                return 2;
        }
        PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",


@@ -722,21 +838,25 @@ int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
                        icc_pk->serial[2]
                        );
 
                        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. ");
+       if (tlvdb_get(tlv, 0x9f2d, NULL)) {
+               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]
+                                       );
+               }

        } else {
        } 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]
-                               );
+               PrintAndLogEx(INFO, "ICC PE PK (PIN Encipherment Public Key Certificate) not found.\n");

        }
 
        // 9F4B: Signed Dynamic Application Data
        }
 
        // 9F4B: Signed Dynamic Application Data


@@ -778,7 +898,7 @@ int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
                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);
                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]);
+                       PrintAndLogEx(NORMAL, "SDAD verified OK. (Data Authentication Code: %02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);

                        tlvdb_add(tlv, dac_db);
                } else {
                        PrintAndLogEx(WARNING, "Error: SSAD verify error");
                        tlvdb_add(tlv, dac_db);
                } else {
                        PrintAndLogEx(WARNING, "Error: SSAD verify error");


@@ -822,9 +942,16 @@ int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
                        if (len < 3 ) {
                                PrintAndLogEx(WARNING, "Error: Internal Authenticate format1 parsing error. length=%d", len);
                        } else {
                        if (len < 3 ) {
                                PrintAndLogEx(WARNING, "Error: Internal Authenticate format1 parsing error. length=%d", len);
                        } else {

+                               // parse response 0x80
+                               struct tlvdb *t80 = tlvdb_parse_multi(buf, len);
+                               const struct tlv * t80tlv = tlvdb_get_tlv(t80);
+

                                // 9f4b Signed Dynamic Application Data
                                // 9f4b Signed Dynamic Application Data

-                               dda_db = tlvdb_fixed(0x9f4b, len - 2, buf + 2);
+                               dda_db = tlvdb_fixed(0x9f4b, t80tlv->len, t80tlv->value);

                                tlvdb_add(tlv, dda_db);
                                tlvdb_add(tlv, dda_db);

+
+                               tlvdb_free(t80);
+

                                if (decodeTLV){
                                        PrintAndLogEx(NORMAL, "* * Decode response format 1:");
                                        TLVPrintFromTLV(dda_db);
                                if (decodeTLV){
                                        PrintAndLogEx(NORMAL, "* * Decode response format 1:");
                                        TLVPrintFromTLV(dda_db);


@@ -917,7 +1044,7 @@ int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, st
 
        struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv);
        if (!icc_pk) {
 
        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.");
+               PrintAndLogEx(WARNING, "Error: ICC certificate not found. Exit.");

                emv_pk_free(pk);
                emv_pk_free(issuer_pk);
                return 2;
                emv_pk_free(pk);
                emv_pk_free(issuer_pk);
                return 2;