TLVPrintFromBuffer(buf, len);
PrintAndLog("* Selected.");
-PrintAndLog("-----BREAK.");
-return 0;
PrintAndLog("\n* Init transaction parameters.");
//9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
- TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // E6
+ TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD
+// TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC
+// TLV_ADD(0x9F66, "\x8e\x00\x00\x00"); // CDA
//9F02:(Amount, Authorised (Numeric)) len:6
TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00");
//9F1A:(Terminal Country Code) len:2
TLV_ADD(0x9C, "\x00");
// 9F37 Unpredictable Number len:4
TLV_ADD(0x9F37, "\x01\x02\x03\x04");
+ // 9F6A Unpredictable Number (MSD for UDOL) len:4
+ TLV_ADD(0x9F6A, "\x01\x02\x03\x04");
- TLVPrintFromTLV(tlvRoot);
+ TLVPrintFromTLV(tlvRoot); // TODO delete!!!
PrintAndLog("\n* Calc PDOL.");
struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
}
PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
-//PrintAndLog("-----BREAK.");
-//return 0;
PrintAndLog("\n* GPO.");
res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
// process response template format 1 [id:80 2b AIP + x4b AFL] and format 2 [id:77 TLV]
if (buf[0] == 0x80) {
-
-
-
if (decodeTLV){
PrintAndLog("GPO response format1:");
TLVPrintFromBuffer(buf, len);
}
- } else {
-
-
+ if (len < 4 || (len - 4) % 4) {
+ PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len);
+ } else {
+ // AIP
+ struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2);
+ tlvdb_add(tlvRoot, f1AIP);
+ if (decodeTLV){
+ PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:");
+ TLVPrintFromTLV(f1AIP);
+ }
+
+ // AFL
+ struct tlvdb * f1AFL = tlvdb_fixed(0x94, len - 4, buf + 2 + 2);
+ tlvdb_add(tlvRoot, f1AFL);
+ if (decodeTLV)
+ TLVPrintFromTLV(f1AFL);
+ }
+ } else {
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
}
+ // extract PAN from track2
+ {
+ const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
+ if (!tlvdb_get(tlvRoot, 0x5a, NULL) && track2 && track2->len >= 8) {
+ struct tlvdb *pan = GetPANFromTrack2(track2);
+ if (pan) {
+ tlvdb_add(tlvRoot, pan);
+
+ const struct tlv *pantlv = tlvdb_get(tlvRoot, 0x5a, NULL);
+ PrintAndLog("\n* * Extracted PAN from track2: %s", sprint_hex(pantlv->value, pantlv->len));
+ } else {
+ PrintAndLog("\n* * WARNING: Can't extract PAN from track2.");
+ }
+ }
+ }
+
PrintAndLog("\n* Read records from AFL.");
const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
if (!AFL || !AFL->len) {
break;
}
- // additional contacless EMV commands (fDDA, CDA, external authenticate)
+ // transaction check
+ const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL);
+ uint16_t AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100;
+ PrintAndLog("* * AIP=%x", AIP);
+
+ // qVSDC
+ {
+ // 9F26: Application Cryptogram
+ const struct tlv *AC = tlvdb_get(tlvRoot, 0x9F26, NULL);
+ if (AC) {
+ PrintAndLog("\n--> qVSDC transaction.");
+ PrintAndLog("* AC path");
+
+ // 9F36: Application Transaction Counter (ATC)
+ const struct tlv *ATC = tlvdb_get(tlvRoot, 0x9F36, NULL);
+ if (ATC) {
+
+ // 9F10: Issuer Application Data - optional
+ const struct tlv *IAD = tlvdb_get(tlvRoot, 0x9F10, NULL);
+
+ // print AC data
+ PrintAndLog("ATC: %s", sprint_hex(ATC->value, ATC->len));
+ PrintAndLog("AC: %s", sprint_hex(AC->value, AC->len));
+ if (IAD){
+ PrintAndLog("IAD: %s", sprint_hex(IAD->value, IAD->len));
+
+ if (IAD->len >= IAD->value[0] + 1) {
+ PrintAndLog("\tKey index: 0x%02x", IAD->value[1]);
+ PrintAndLog("\tCrypto ver: 0x%02x(%03d)", IAD->value[2], IAD->value[2]);
+ PrintAndLog("\tCVR:", sprint_hex(&IAD->value[3], IAD->value[0] - 2));
+ struct tlvdb * cvr = tlvdb_fixed(0x20, IAD->value[0] - 2, &IAD->value[3]);
+ TLVPrintFromTLVLev(cvr, 1);
+ }
+ } else {
+ PrintAndLog("WARNING: IAD not found.");
+ }
+
+ } else {
+ PrintAndLog("ERROR AC: Application Transaction Counter (ATC) not found.");
+ }
+ }
+ }
+
+ // TODO: Mastercard M/CHIP
+ {
+ const struct tlv *CDOL1 = tlvdb_get(tlvRoot, 0x8c, NULL);
+ if (CDOL1 && GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) { // and m/chip transaction flag
+
+ }
+ }
+
+ // MSD
+ if (AIP & 0x8000) {
+ PrintAndLog("\n--> MSD transaction.");
+
+
+ PrintAndLog("* MSD dCVV path. Check dCVV");
+
+ const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
+ if (track2) {
+ PrintAndLog("Track2: %s", sprint_hex(track2->value, track2->len));
+
+ struct tlvdb *dCVV = GetdCVVRawFromTrack2(track2);
+ PrintAndLog("dCVV raw data:");
+ TLVPrintFromTLV(dCVV);
+
+ if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) {
+ PrintAndLog("\n* Mastercard calculate UDOL");
+
+ // UDOL (9F69)
+ const struct tlv *UDOL = tlvdb_get(tlvRoot, 0x9F69, NULL);
+ // UDOL(9F69) default: 9F6A (Unpredictable number) 4 bytes
+ const struct tlv defUDOL = {
+ .tag = 0x01,
+ .len = 3,
+ .value = (uint8_t *)"\x9f\x6a\x04",
+ };
+ if (!UDOL)
+ PrintAndLog("Use default UDOL.");
+
+ struct tlv *udol_data_tlv = dol_process(UDOL ? UDOL : &defUDOL, tlvRoot, 0x01); // 0x01 - fake tag!
+ if (!udol_data_tlv){
+ PrintAndLog("ERROR: can't create UDOL TLV.");
+ return 4;
+ }
+
+ PrintAndLog("UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len));
+
+ PrintAndLog("\n* Mastercard compute cryptographic checksum(UDOL)");
+
+ res = MSCComputeCryptoChecksum(true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
+ if (res) {
+ PrintAndLog("ERROR Compute Crypto Checksum. APDU error %4x", sw);
+ return 5;
+ }
+
+ if (decodeTLV) {
+ TLVPrintFromBuffer(buf, len);
+ PrintAndLog("");
+ }
+
+ }
+ } else {
+ PrintAndLog("ERROR MSD: Track2 data not found.");
+ }
+ }
+
+ // additional contacless EMV commands (fDDA, external authenticate)
// DropField
#include "emv_tags.h"
#include <stdlib.h>
+#include <string.h>
#define PRINT_INDENT(level) {for (int i = 0; i < (level); i++) fprintf(f, "\t");}
EMV_TAG_STRING,
EMV_TAG_NUMERIC,
EMV_TAG_YYMMDD,
+ EMV_TAG_CVR,
};
struct emv_tag {
EMV_BIT_FINISH,
};
+static const struct emv_tag_bit EMV_CVR[] = {
+ // mask 0F 0F F0 0F
+ { EMV_BIT(1, 4), "CDA Performed" },
+ { EMV_BIT(1, 3), "Offline DDA Performed" },
+ { EMV_BIT(1, 2), "Issuer Authentication Not Performed" },
+ { EMV_BIT(1, 1), "Issuer Authentication performed and Failed" },
+ { EMV_BIT(2, 4), "Offline PIN Verification Performed" },
+ { EMV_BIT(2, 3), "Offline PIN Verification Performed and PIN Not Successfully Verified" },
+ { EMV_BIT(2, 2), "PIN Try Limit Exceeded" },
+ { EMV_BIT(2, 1), "Last Online Transaction Not Completed" },
+ { EMV_BIT(3, 8), "Lower Offline Transaction Count Limit Exceeded" },
+ { EMV_BIT(3, 7), "Upper Offline Transaction Count Limit Exceeded" },
+ { EMV_BIT(3, 6), "Lower Cumulative Offline Amount Limit Exceeded" },
+ { EMV_BIT(3, 5), "Upper Cumulative Offline Amount Limit Exceeded" },
+ { EMV_BIT(4, 4), "Issuer script processing failed on last transaction" },
+ { EMV_BIT(4, 3), "Offline data authentication failed on previous transaction and transaction declined offline" },
+ { EMV_BIT(4, 2), "Go Online on Next Transaction Was Set" },
+ { EMV_BIT(4, 1), "Unable to go Online" },
+ EMV_BIT_FINISH,
+};
+
// All Data Elements by Tags used in TLV structure (according to the EMV 4.2 Standard )
// https://www.eftlab.co.uk/index.php/site-map/knowledge-base/145-emv-nfc-tags
// http://dexterous-programmer.blogspot.in/2012/05/emv-tags.html
static const struct emv_tag emv_tags[] = {
+ // internal
{ 0x00 , "Unknown ???" },
{ 0x01 , "", EMV_TAG_STRING }, // string for headers
+ { 0x02 , "Raw data", }, // data
+ { 0x20 , "Cardholder Verification Results (CVR)", EMV_TAG_CVR }, // not standard!
+
+ // EMV
{ 0x41 , "Country code and national data" },
{ 0x42 , "Issuer Identification Number (IIN)" },
{ 0x4f , "Application Dedicated File (ADF) Name" },
{ 0x9f4c, "ICC Dynamic Number" },
{ 0x9f4d, "Log Entry" },
{ 0x9f4f, "Log Format", EMV_TAG_DOL },
+ { 0x9f60, "CVC3 (Track1)" },
+ { 0x9f61, "CVC3 (Track2)" },
{ 0x9f62, "PCVC3(Track1)" },
{ 0x9f63, "PUNATC(Track1)" },
{ 0x9f64, "NATC(Track1)" },
return (S[0] << 24) | (S[1] << 16) | (S[2] << 8) | (S[3] << 0);
}
+// https://github.com/binaryfoo/emv-bertlv/blob/master/src/main/resources/fields/visa-cvr.txt
+static void emv_tag_dump_cvr(const struct tlv *tlv, const struct emv_tag *tag, FILE *f, int level) {
+ if (!tlv || tlv->len < 1) {
+ PRINT_INDENT(level);
+ fprintf(f, "\tINVALID!\n");
+ return;
+ }
+
+ if (tlv->len != tlv->value[0] + 1) {
+ PRINT_INDENT(level);
+ fprintf(f, "\tINVALID length!\n");
+ return;
+ }
+
+ if (tlv->len >= 2) {
+ // AC1
+ PRINT_INDENT(level);
+ if ((tlv->value[1] & 0xC0) == 0x00) fprintf(f, "\tAC1: AAC (Transaction declined)\n");
+ if ((tlv->value[1] & 0xC0) == 0x40) fprintf(f, "\tAC1: TC (Transaction approved)\n");
+ if ((tlv->value[1] & 0xC0) == 0x80) fprintf(f, "\tAC1: ARQC (Online authorisation requested)\n");
+ if ((tlv->value[1] & 0xC0) == 0xC0) fprintf(f, "\tAC1: RFU\n");
+ // AC2
+ PRINT_INDENT(level);
+ if ((tlv->value[1] & 0x30) == 0x00) fprintf(f, "\tAC2: AAC (Transaction declined)\n");
+ if ((tlv->value[1] & 0x30) == 0x10) fprintf(f, "\tAC2: TC (Transaction approved)\n");
+ if ((tlv->value[1] & 0x30) == 0x20) fprintf(f, "\tAC2: not requested (ARQC)\n");
+ if ((tlv->value[1] & 0x30) == 0x30) fprintf(f, "\tAC2: RFU\n");
+ }
+ if (tlv->len >= 3 && (tlv->value[2] >> 4)) {
+ PRINT_INDENT(level);
+ fprintf(f, "\tPIN try: %x\n", tlv->value[2] >> 4);
+ }
+ if (tlv->len >= 4 && (tlv->value[3] & 0x0F)) {
+ PRINT_INDENT(level);
+ fprintf(f, "\tIssuer discretionary bits: %x\n", tlv->value[3] & 0x0F);
+ }
+ if (tlv->len >= 5 && (tlv->value[4] >> 4)) {
+ PRINT_INDENT(level);
+ fprintf(f, "\tSuccessfully processed issuer script commands: %x\n", tlv->value[4] >> 4);
+ }
+
+ // mask 0F 0F F0 0F
+ uint8_t data[20] = {0};
+ memcpy(data, &tlv->value[1], tlv->len - 1);
+ data[0] &= 0x0F;
+ data[1] &= 0x0F;
+ data[2] &= 0xF0;
+ data[3] &= 0x0F;
+ const struct tlv bit_tlv = {
+ .tag = tlv->tag,
+ .len = tlv->len - 1,
+ .value = data,
+ };
+ const struct emv_tag bit_tag = {
+ .tag = tag->tag,
+ .name = tag->name,
+ .type = EMV_TAG_BITMASK,
+ .data = EMV_CVR,
+ };
+
+ if (data[0] || data[1] || data[2] || data[3])
+ emv_tag_dump_bitmask(&bit_tlv, &bit_tag, f, level);
+
+ return;
+}
+
static void emv_tag_dump_cvm_list(const struct tlv *tlv, const struct emv_tag *tag, FILE *f, int level)
{
uint32_t X, Y;
case EMV_TAG_YYMMDD:
emv_tag_dump_yymmdd(tlv, tag, f, level);
break;
+ case EMV_TAG_CVR:
+ fprintf(f, "\n");
+ emv_tag_dump_cvr(tlv, tag, f, level);
+ break;
};
return true;
// 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) {
}
}
-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) {
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();
+ // COMPUTE APDU
+ memcpy(data, &apdu, 5);
+ if (apdu.data)
+ memcpy(&data[5], apdu.data, apdu.Lc);
+
if (APDULogging)
- PrintAndLog(">>>> %s", sprint_hex(data, AIDLen + 6));
+ PrintAndLog(">>>> %s", sprint_hex(data, 6 + apdu.Lc));
- int res = ExchangeAPDU14a(data, AIDLen + 6, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
+ // 6 byes + data = INS + CLA + P1 + P2 + Lc + <data = Nc> + Le
+ int res = ExchangeAPDU14a(data, 6 + apdu.Lc, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
if (APDULogging)
PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen));
if (res) {
return res;
}
-
- if (*ResultLen < 2) {
- PrintAndLog("SELECT ERROR: returned %d bytes", *ResultLen);
- return 5;
- }
-
+
*ResultLen -= 2;
isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
if (sw)
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;
}
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;
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) {
}
retrycnt = 0;
- PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i]);
+ PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i].aid);
}
continue;
}
continue;
if (decodeTLV){
- PrintAndLog("%s:", AIDlist[i]);
+ PrintAndLog("%s:", AIDlist[i].aid);
TLVPrintFromBuffer(data, datalen);
}
}
}
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;
}
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));
-
- 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;
-
- if (isw != 0x9000) {
- if (APDULogging)
- PrintAndLog("GPO 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);
- }
-
- return 0;
+ 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) {
- uint8_t data[10] = {0};
- *ResultLen = 0;
- if (sw) *sw = 0;
- uint16_t isw = 0;
-
- // read record APDU
- data[0] = 0x00;
- data[1] = 0xb2;
- data[2] = SFIrec;
- data[3] = (SFI << 3) | 0x04;
- data[4] = 0;
-
- if (APDULogging)
- PrintAndLog(">>>> %s", sprint_hex(data, 5));
-
- int res = ExchangeAPDU14a(data, 5, false, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
-
- if (APDULogging)
- PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen));
-
- 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;
- }
+ return EMVExchange(LeaveFieldON, (sAPDU){0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, 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 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) {
+ return EMVExchange(LeaveFieldON, (sAPDU){0x00, 0x84, 0x00, 0x00, 0x00, NULL}, 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);
+}
projects / proxmark3-svn / commitdiff