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1 | //----------------------------------------------------------------------------- | |
2 | // Copyright (C) 2017 Merlok | |
3 | // | |
4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
5 | // at your option, any later version. See the LICENSE.txt file for the text of | |
6 | // the license. | |
7 | //----------------------------------------------------------------------------- | |
8 | // EMV core functionality | |
9 | //----------------------------------------------------------------------------- | |
10 | ||
11 | #ifndef EMVCORE_H__ | |
12 | #define EMVCORE_H__ | |
13 | ||
14 | #include <stdio.h> | |
15 | #include <stdint.h> | |
16 | #include <stdlib.h> | |
17 | #include <inttypes.h> | |
18 | #include <string.h> | |
19 | #include <jansson.h> | |
20 | #include "util.h" | |
21 | #include "common.h" | |
22 | #include "ui.h" | |
23 | #include "cmdhf14a.h" | |
24 | #include "apduinfo.h" | |
25 | #include "tlv.h" | |
26 | #include "dol.h" | |
27 | #include "dump.h" | |
28 | #include "emv_tags.h" | |
29 | #include "emv_pk.h" | |
30 | #include "emv_pki.h" | |
31 | ||
32 | // maximum APDU lengths. Long APDUs not yet supported/needed | |
33 | #define APDU_DATA_LEN 255 | |
34 | #define APDU_COMMAND_LEN (4 + 1 + APDU_DATA_LEN + 1) | |
35 | #define APDU_RESPONSE_LEN (256 + 2) | |
36 | ||
37 | typedef enum { | |
38 | ECC_CONTACTLESS, | |
39 | ECC_CONTACT | |
40 | } EMVCommandChannel; | |
41 | ||
42 | enum TransactionType { | |
43 | TT_MSD, | |
44 | TT_VSDC, // not standart for contactless!!!! | |
45 | TT_QVSDCMCHIP, | |
46 | TT_CDA, | |
47 | }; | |
48 | extern char *TransactionTypeStr[]; | |
49 | ||
50 | enum CardPSVendor { | |
51 | CV_NA, | |
52 | CV_VISA, | |
53 | CV_MASTERCARD, | |
54 | CV_AMERICANEXPRESS, | |
55 | CV_JCB, | |
56 | CV_CB, | |
57 | CV_SWITCH, | |
58 | CV_DINERS, | |
59 | CV_OTHER, | |
60 | }; | |
61 | extern enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen); | |
62 | ||
63 | extern bool TLVPrintFromBuffer(uint8_t *data, int datalen); | |
64 | extern void TLVPrintFromTLV(struct tlvdb *tlv); | |
65 | extern void TLVPrintFromTLVLev(struct tlvdb *tlv, int level); | |
66 | extern void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv); | |
67 | ||
68 | extern struct tlvdb *GetPANFromTrack2(const struct tlv *track2); | |
69 | extern struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2); | |
70 | ||
71 | extern void SetAPDULogging(bool logging); | |
72 | ||
73 | // exchange | |
74 | extern 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); | |
75 | ||
76 | // search application | |
77 | extern int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, bool decodeTLV, struct tlvdb *tlv); | |
78 | extern int EMVSearch(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv); | |
79 | extern int EMVSelectPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw); | |
80 | 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); | |
81 | // select application | |
82 | extern int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen); | |
83 | // Get Processing Options | |
84 | 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); | |
85 | 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); | |
86 | // AC | |
87 | extern int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv); | |
88 | 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); | |
89 | // DDA | |
90 | 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); | |
91 | // Mastercard | |
92 | 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); | |
93 | // Auth | |
94 | extern int trSDA(struct tlvdb *tlv); | |
95 | extern int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv); | |
96 | extern int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, struct tlv *ac_data_tlv); | |
97 | ||
98 | extern int RecoveryCertificates(struct tlvdb *tlvRoot, json_t *root); | |
99 | ||
100 | extern struct emv_pk *get_ca_pk(struct tlvdb *db); | |
101 | #endif | |
102 | ||
103 | ||
104 | ||
105 |