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[FL-2883] NFC: bank card rework reading (#1858)

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* nfc: remove bank card save option
* nfc: remove bank card save from nfc device
* nfc: remove unused function in emv
* nfc: try several times to start emv application
* nfc: add AID display fallback for bank cards

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich
2022-10-11 22:13:12 +05:00
committed by GitHub
parent 04f5ad83f8
commit 2552278a3d
6 changed files with 76 additions and 89 deletions
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18
lib/nfc/protocols/emv.c
View File

@@ -182,7 +182,7 @@ static bool emv_decode_response(uint8_t* buff, uint16_t len, EmvApplication* app
return success;
}
bool emv_select_ppse(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
static bool emv_select_ppse(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
bool app_aid_found = false;
const uint8_t emv_select_ppse_cmd[] = {
0x00, 0xA4, // SELECT ppse
@@ -212,8 +212,8 @@ bool emv_select_ppse(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
return app_aid_found;
}
bool emv_select_app(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
bool select_app_success = false;
static bool emv_select_app(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
app->app_started = false;
const uint8_t emv_select_header[] = {
0x00,
0xA4, // SELECT application
@@ -236,7 +236,7 @@ bool emv_select_app(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
if(furi_hal_nfc_tx_rx(tx_rx, 300)) {
emv_trace(tx_rx, "Start application answer:");
if(emv_decode_response(tx_rx->rx_data, tx_rx->rx_bits / 8, app)) {
select_app_success = true;
app->app_started = true;
} else {
FURI_LOG_E(TAG, "Failed to read PAN or PDOL");
}
@@ -244,7 +244,7 @@ bool emv_select_app(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
FURI_LOG_E(TAG, "Failed to start application");
}
return select_app_success;
return app->app_started;
}
static uint16_t emv_prepare_pdol(APDU* dest, APDU* src) {
@@ -367,14 +367,6 @@ static bool emv_read_files(FuriHalNfcTxRxContext* tx_rx, EmvApplication* app) {
return card_num_read;
}
bool emv_search_application(FuriHalNfcTxRxContext* tx_rx, EmvApplication* emv_app) {
furi_assert(tx_rx);
furi_assert(emv_app);
memset(emv_app, 0, sizeof(EmvApplication));
return emv_select_ppse(tx_rx, emv_app);
}
bool emv_read_bank_card(FuriHalNfcTxRxContext* tx_rx, EmvApplication* emv_app) {
furi_assert(tx_rx);
furi_assert(emv_app);

10
lib/nfc/protocols/emv.h
View File

@@ -45,6 +45,7 @@ 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];
@@ -68,15 +69,6 @@ typedef struct {
*/
bool emv_read_bank_card(FuriHalNfcTxRxContext* tx_rx, EmvApplication* emv_app);
/** Search for EMV Application
*
* @param tx_rx FuriHalNfcTxRxContext instance
* @param emv_app EmvApplication instance
*
* @return true on success
*/
bool emv_search_application(FuriHalNfcTxRxContext* tx_rx, EmvApplication* emv_app);
/** Emulate bank card
* @note Answer to application selection and PDOL
*