X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/3c5fce2ba7d49f3ebea05eed187a9b5ee8189803..fa85b08504eda7045b4b7d50fee1b75c4f5e5dd2:/client/emv/emvcore.c?ds=inline

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 + <data = Nc> + 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;
 }
 
-