X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/3c5fce2ba7d49f3ebea05eed187a9b5ee8189803..909c40c835033ec7f373a83316954939897ea605:/client/emv/emvcore.c diff --git a/client/emv/emvcore.c b/client/emv/emvcore.c index 5c737b05..36438413 100644 --- a/client/emv/emvcore.c +++ b/client/emv/emvcore.c @@ -12,75 +12,96 @@ // Got from here. Thanks) // https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix -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 }; -const size_t PSElistLen = sizeof(PSElist)/sizeof(char*); +static const size_t PSElistLen = sizeof(PSElist)/sizeof(char*); -const char *AIDlist [] = { +typedef struct { + enum CardPSVendor vendor; + const char* aid; +} TAIDList; + +static const TAIDList AIDlist [] = { // Visa International - "A00000000305076010", // VISA ELO Credit - "A0000000031010", // VISA Debit/Credit (Classic) - "A0000000031010", // ddddddddddddddddddddddddddddddddddddddddddddddddddddddddd - "A000000003101001", // VISA Credit - "A000000003101002", // VISA Debit - "A0000000032010", // VISA Electron - "A0000000032020", // VISA - "A0000000033010", // VISA Interlink - "A0000000034010", // VISA Specific - "A0000000035010", // VISA Specific - "A0000000036010", // Domestic Visa Cash Stored Value - "A0000000036020", // International Visa Cash Stored Value - "A0000000038002", // VISA Auth, VisaRemAuthen EMV-CAP (DPA) - "A0000000038010", // VISA Plus - "A0000000039010", // VISA Loyalty - "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 - "A000000098", // Debit Card - "A0000000980848", // Debit Card + { CV_VISA, "A000000098" }, // Debit Card + { CV_VISA, "A0000000980848" }, // Debit Card // Mastercard International - "A00000000401", // MasterCard PayPass - "A0000000041010", // MasterCard Credit - "A00000000410101213", // MasterCard Credit - "A00000000410101215", // MasterCard Credit - "A0000000042010", // MasterCard Specific - "A0000000043010", // MasterCard Specific - "A0000000043060", // Maestro (Debit) - "A000000004306001", // Maestro (Debit) - "A0000000044010", // MasterCard Specific - "A0000000045010", // MasterCard Specific - "A0000000046000", // Cirrus - "A0000000048002", // SecureCode Auth EMV-CAP - "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 // American Express - "A000000025", - "A0000000250000", - "A00000002501", - "A000000025010402", - "A000000025010701", - "A000000025010801", + { CV_AMERICANEXPRESS, "A000000025" }, + { CV_AMERICANEXPRESS, "A0000000250000" }, + { CV_AMERICANEXPRESS, "A00000002501" }, + { CV_AMERICANEXPRESS, "A000000025010402" }, + { CV_AMERICANEXPRESS, "A000000025010701" }, + { CV_AMERICANEXPRESS, "A000000025010801" }, // Groupement des Cartes Bancaires "CB" - "A0000000421010", // Cartes Bancaire EMV Card - "A0000000422010", - "A0000000423010", - "A0000000424010", - "A0000000425010", + { CV_CB, "A0000000421010" }, // Cartes Bancaire EMV Card + { CV_CB, "A0000000422010" }, + { CV_CB, "A0000000423010" }, + { CV_CB, "A0000000424010" }, + { CV_CB, "A0000000425010" }, // JCB CO., LTD. - "A00000006510", // JCB - "A0000000651010", // JCB J Smart Credit - "A0000001544442", // Banricompras Debito - Banrisul - Banco do Estado do Rio Grande do SUL - S.A. - "F0000000030001", // BRADESCO - "A0000005241010", // RuPay - RuPay - "D5780000021010" // Bankaxept - Bankaxept + { 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 }; -const size_t AIDlistLen = sizeof(AIDlist)/sizeof(char*); +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) { @@ -103,11 +124,15 @@ void TLVPrintFromBuffer(uint8_t *data, int datalen) { } } -void TLVPrintFromTLV(struct tlvdb *tlv) { +void TLVPrintFromTLVLev(struct tlvdb *tlv, int level) { if (!tlv) return; - tlvdb_visit(tlv, print_cb, NULL, 0); + tlvdb_visit(tlv, print_cb, NULL, level); +} + +void TLVPrintFromTLV(struct tlvdb *tlv) { + TLVPrintFromTLVLev(tlv, 0); } void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv) { @@ -136,41 +161,94 @@ void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv) { PrintAndLog("|------------------|--------|-------------------------|"); } +struct tlvdb *GetPANFromTrack2(const struct tlv *track2) { + char track2Hex[200] = {0}; + uint8_t PAN[100] = {0}; + int PANlen = 0; + char *tmp = track2Hex; -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) { + 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, 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; - // select APDU - data[0] = 0x00; - data[1] = 0xA4; - data[2] = 0x04; - data[3] = 0x00; - data[4] = AIDLen; - memcpy(&data[5], AID, AIDLen); - if (ActivateField) DropField(); - if (APDULogging) - PrintAndLog(">>>> %s", sprint_hex(data, AIDLen + 6)); - - int res = ExchangeAPDU14a(data, AIDLen + 6, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); + // COMPUTE APDU + memcpy(data, &apdu, 5); + if (apdu.data) + memcpy(&data[5], apdu.data, apdu.Lc); if (APDULogging) - PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen)); + PrintAndLog(">>>> %s", sprint_hex(data, 6 + apdu.Lc)); + + // 6 byes + data = INS + CLA + P1 + P2 + Lc + + Le + int res = ExchangeAPDU14a(data, 6 + apdu.Lc, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); if (res) { return res; } - - if (*ResultLen < 2) { - PrintAndLog("SELECT ERROR: returned %d bytes", *ResultLen); - return 5; - } - + + if (APDULogging) + PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen)); + *ResultLen -= 2; isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1]; if (sw) @@ -178,7 +256,7 @@ int EMVSelect(bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen if (isw != 0x9000) { if (APDULogging) - PrintAndLog("SELECT ERROR: [%4X] %s", isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff)); + PrintAndLog("APDU(%02x%02x) ERROR: [%4X] %s", apdu.CLA, apdu.INS, isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff)); return 5; } @@ -191,6 +269,14 @@ int EMVSelect(bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen 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 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 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; @@ -291,7 +377,7 @@ int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvd int res = 0; int retrycnt = 0; for(int i = 0; i < AIDlistLen; i ++) { - param_gethex_to_eol(AIDlist[i], 0, aidbuf, sizeof(aidbuf), &aidlen); + 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) { @@ -305,7 +391,7 @@ int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvd } retrycnt = 0; - PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i]); + PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i].aid); } continue; } @@ -315,7 +401,7 @@ int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvd continue; if (decodeTLV){ - PrintAndLog("%s:", AIDlist[i]); + PrintAndLog("%s:", AIDlist[i].aid); TLVPrintFromBuffer(data, datalen); } } @@ -324,7 +410,7 @@ int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvd } int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) { - // needs to check priority. 0x00 - highest + // check priority. 0x00 - highest int prio = 0xffff; *AIDlen = 0; @@ -363,101 +449,47 @@ int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) { } 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) { - uint8_t data[APDU_RES_LEN] = {0}; - *ResultLen = 0; - if (sw) *sw = 0; - uint16_t isw = 0; - - // GPO APDU - data[0] = 0x80; - data[1] = 0xA8; - data[2] = 0x00; - data[3] = 0x00; - data[4] = PDOLLen; - if (PDOL) - memcpy(&data[5], PDOL, PDOLLen); - - - if (APDULogging) - PrintAndLog(">>>> %s", sprint_hex(data, PDOLLen + 5)); + return EMVExchange(LeaveFieldON, (sAPDU){0x80, 0xa8, 0x00, 0x00, PDOLLen, PDOL}, Result, MaxResultLen, ResultLen, sw, tlv); +} - int res = ExchangeAPDU14a(data, PDOLLen + 5, false, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); - - if (APDULogging) - PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen)); - - if (res) { - return res; - } - - if (*ResultLen < 2) { - PrintAndLog("GPO ERROR: returned %d bytes", *ResultLen); - return 5; - } - - *ResultLen -= 2; - isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1]; - if (sw) - *sw = isw; +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); +} - if (isw != 0x9000) { - if (APDULogging) - PrintAndLog("GPO ERROR: [%4X] %s", isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff)); - return 5; - } +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); +} - // add to tlv tree - if (tlv) { - struct tlvdb *t = tlvdb_parse_multi(Result, *ResultLen); - tlvdb_add(tlv, t); - } - - return 0; +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 EMVReadRecord(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 data[10] = {0}; - *ResultLen = 0; - if (sw) *sw = 0; - uint16_t isw = 0; +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 +int trSDA(uint8_t *AID, size_t AIDlen, struct tlvdb *tlv) { + if (AIDlen < 5) + return 1; - // read record APDU - data[0] = 0x00; - data[1] = 0xb2; - data[2] = SFIrec; - data[3] = (SFI << 3) | 0x04; - data[4] = 0; + // Get public key index (0x8F) + //int PubKeyIndx = 0; - if (APDULogging) - PrintAndLog(">>>> %s", sprint_hex(data, 5)); - - int res = ExchangeAPDU14a(data, 5, false, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); + // Get public key from key storage + // GetPublicKey(AID(0..5), PubKeyIndx) - if (APDULogging) - PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen)); + // Processing of Issuer Public Key Certificate (0x90) + //Certificate = - if (res) { - return res; - } - - *ResultLen -= 2; - isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1]; - if (sw) - *sw = isw; - - if (isw != 0x9000) { - if (APDULogging) - PrintAndLog("Read record ERROR: [%4X] %s", 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); - } + // 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 return 0; } -