// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
-// EMV core functions
+// EMV core functionality
//-----------------------------------------------------------------------------
#ifndef EMVCORE_H__
#define EMVCORE_H__
-#include <stdio.h>
#include <stdint.h>
-#include <stdlib.h>
-#include <inttypes.h>
-#include "util.h"
-#include "common.h"
-#include "ui.h"
-#include "emv/tlv.h"
-#include "emv/dump.h"
-#include "emv/emv_tags.h"
+#include <stdbool.h>
+#include "tlv.h"
+#include "jansson.h"
-extern void TLVPrintFromBuffer(uint8_t *data, int datalen);
+// maximum APDU lengths. Long APDUs not yet supported/needed
+#define APDU_DATA_LEN 255
+#define APDU_COMMAND_LEN (4 + 1 + APDU_DATA_LEN + 1)
+#define APDU_RESPONSE_LEN (256 + 2)
+typedef enum {
+ ECC_CONTACTLESS,
+ ECC_CONTACT
+} EMVCommandChannel;
+
+enum TransactionType {
+ TT_MSD,
+ TT_VSDC, // not standart for contactless!!!!
+ TT_QVSDCMCHIP,
+ TT_CDA,
+};
+extern char *TransactionTypeStr[];
+
+enum CardPSVendor {
+ CV_NA,
+ CV_VISA,
+ CV_MASTERCARD,
+ CV_AMERICANEXPRESS,
+ CV_JCB,
+ CV_CB,
+ CV_SWITCH,
+ CV_DINERS,
+ CV_OTHER,
+};
+extern enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen);
+
+extern void DropFieldEx(EMVCommandChannel channel);
+
+extern bool TLVPrintFromBuffer(uint8_t *data, int datalen);
+extern void TLVPrintFromTLV(struct tlvdb *tlv);
+extern void TLVPrintFromTLVLev(struct tlvdb *tlv, int level);
+extern void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv);
+
+extern struct tlvdb *GetPANFromTrack2(const struct tlv *track2);
+extern struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2);
+
+extern void SetAPDULogging(bool logging);
+
+// exchange
+extern 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);
+
+// search application
+extern int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, bool decodeTLV, struct tlvdb *tlv);
+extern int EMVSearch(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv);
+extern int EMVSelectPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw);
+extern 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);
+// select application
+extern int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen);
+// Get Processing Options
+extern 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);
+extern int EMVReadRecord(EMVCommandChannel channel, bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv);
+// AC
+extern int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv);
+extern int EMVAC(EMVCommandChannel channel, 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);
+// DDA
+extern 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);
+// Mastercard
+int MSCComputeCryptoChecksum(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *UDOL, uint8_t UDOLlen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv);
+// Auth
+extern int trSDA(struct tlvdb *tlv);
+extern int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv);
+extern int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, struct tlv *ac_data_tlv);
+
+extern int RecoveryCertificates(struct tlvdb *tlvRoot, json_t *root);
+
+extern struct emv_pk *get_ca_pk(struct tlvdb *db);
#endif