unleashed-firmware/lib/nfc/protocols/emv.h
Emily Trau 4dc4d34d04
emv: parse track1&2 equivalent data (#2332)
* emv: parse track1&2 equivalent data
* emv: alternate expiry parser
* nfc: log EMV track1&2 data to trace output

Co-authored-by: gornekich <n.gorbadey@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>
2023-01-27 12:10:08 +07:00

80 lines
1.8 KiB
C

#pragma once
#include <furi_hal_nfc.h>
#define MAX_APDU_LEN 255
#define EMV_TAG_APP_TEMPLATE 0x61
#define EMV_TAG_AID 0x4F
#define EMV_TAG_PRIORITY 0x87
#define EMV_TAG_PDOL 0x9F38
#define EMV_TAG_CARD_NAME 0x50
#define EMV_TAG_FCI 0xBF0C
#define EMV_TAG_LOG_CTRL 0x9F4D
#define EMV_TAG_TRACK_1_EQUIV 0x56
#define EMV_TAG_TRACK_2_EQUIV 0x57
#define EMV_TAG_PAN 0x5A
#define EMV_TAG_AFL 0x94
#define EMV_TAG_EXP_DATE 0x5F24
#define EMV_TAG_COUNTRY_CODE 0x5F28
#define EMV_TAG_CURRENCY_CODE 0x9F42
#define EMV_TAG_CARDHOLDER_NAME 0x5F20
typedef struct {
char name[32];
uint8_t aid[16];
uint16_t aid_len;
uint8_t number[10];
uint8_t number_len;
uint8_t exp_mon;
uint8_t exp_year;
uint16_t country_code;
uint16_t currency_code;
} EmvData;
typedef struct {
uint16_t tag;
uint8_t data[];
} PDOLValue;
typedef struct {
uint8_t size;
uint8_t data[MAX_APDU_LEN];
} APDU;
typedef struct {
uint8_t priority;
uint8_t aid[16];
uint8_t aid_len;
bool app_started;
char name[32];
bool name_found;
uint8_t card_number[10];
uint8_t card_number_len;
uint8_t exp_month;
uint8_t exp_year;
uint16_t country_code;
uint16_t currency_code;
APDU pdol;
APDU afl;
} EmvApplication;
/** Read bank card data
* @note Search EMV Application, start it, try to read AID, PAN, card name,
* expiration date, currency and country codes
*
* @param tx_rx FuriHalNfcTxRxContext instance
* @param emv_app EmvApplication instance
*
* @return true on success
*/
bool emv_read_bank_card(FuriHalNfcTxRxContext* tx_rx, EmvApplication* emv_app);
/** Emulate bank card
* @note Answer to application selection and PDOL
*
* @param tx_rx FuriHalNfcTxRxContext instance
*
* @return true on success
*/
bool emv_card_emulation(FuriHalNfcTxRxContext* tx_rx);