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[FL-1039] Emv emulation (#491)

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* nfc: add emulate emv to submenu
* api-hal-nfc: add emv emulation
This commit is contained in:
gornekich 2021-05-26 02:54:44 +03:00 committed by GitHub
parent d92bb18cca
commit e620b310b7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 282 additions and 48 deletions
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26
applications/nfc/nfc.c
View File

@ -27,8 +27,10 @@ void nfc_menu_callback(void* context, uint32_t index) {
} else if(index == 1) {
message.type = NfcMessageTypeReadEMV;
} else if(index == 2) {
message.type = NfcMessageTypeEmulate;
message.type = NfcMessageTypeEmulateEMV;
} else if(index == 3) {
message.type = NfcMessageTypeEmulate;
} else if(index == 4) {
message.type = NfcMessageTypeField;
}
furi_check(osMessageQueuePut(message_queue, &message, 0, osWaitForever) == osOK);
@ -52,8 +54,9 @@ Nfc* nfc_alloc() {
nfc->submenu = submenu_alloc();
submenu_add_item(nfc->submenu, "Detect", 0, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Read EMV", 1, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Emulate", 2, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Field", 3, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Emulate EMV", 2, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Emulate", 3, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Field", 4, nfc_menu_callback, nfc);
View* submenu_view = submenu_get_view(nfc->submenu);
view_set_previous_callback(submenu_view, nfc_view_exit);
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewMenu, submenu_view);
@ -74,6 +77,13 @@ Nfc* nfc_alloc() {
view_allocate_model(nfc->view_read_emv, ViewModelTypeLocking, sizeof(NfcViewReadModel));
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewReadEmv, nfc->view_read_emv);
// Emulate EMV
nfc->view_emulate_emv = view_alloc();
view_set_context(nfc->view_emulate_emv, nfc);
view_set_draw_callback(nfc->view_emulate_emv, nfc_view_emulate_emv_draw);
view_set_previous_callback(nfc->view_emulate_emv, nfc_view_stop);
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewEmulateEMV, nfc->view_emulate_emv);
// Emulate
nfc->view_emulate = view_alloc();
view_set_context(nfc->view_emulate, nfc);
@ -118,6 +128,14 @@ void nfc_free(Nfc* nfc) {
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewRead);
view_free(nfc->view_detect);
// Read EMV
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewReadEmv);
view_free(nfc->view_read_emv);
// Emulate EMV
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewEmulateEMV);
view_free(nfc->view_emulate_emv);
// Emulate
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewEmulate);
view_free(nfc->view_emulate);
@ -214,6 +232,8 @@ int32_t nfc_task(void* p) {
return true;
});
nfc_start(nfc, NfcViewReadEmv, NfcWorkerStateReadEMV);
} else if(message.type == NfcMessageTypeEmulateEMV) {
nfc_start(nfc, NfcViewEmulateEMV, NfcWorkerStateEmulateEMV);
} else if(message.type == NfcMessageTypeEmulate) {
nfc_start(nfc, NfcViewEmulate, NfcWorkerStateEmulate);
} else if(message.type == NfcMessageTypeField) {

1
applications/nfc/nfc_i.h
View File

@ -28,6 +28,7 @@ struct Nfc {
View* view_detect;
View* view_read_emv;
View* view_emulate_emv;
View* view_emulate;
View* view_field;
View* view_cli;

2
applications/nfc/nfc_types.h
View File

@ -72,6 +72,7 @@ typedef enum {
// Main worker states
NfcWorkerStatePoll,
NfcWorkerStateReadEMV,
NfcWorkerStateEmulateEMV,
NfcWorkerStateEmulate,
NfcWorkerStateField,
// Transition
@ -81,6 +82,7 @@ typedef enum {
typedef enum {
NfcMessageTypeDetect,
NfcMessageTypeReadEMV,
NfcMessageTypeEmulateEMV,
NfcMessageTypeEmulate,
NfcMessageTypeField,
NfcMessageTypeStop,

6
applications/nfc/nfc_views.c
View File

@ -133,6 +133,12 @@ void nfc_view_read_emv_draw(Canvas* canvas, void* model) {
}
}
void nfc_view_emulate_emv_draw(Canvas* canvas, void* model) {
canvas_clear(canvas);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str(canvas, 0, 12, "Emulating EMV");
}
void nfc_view_emulate_draw(Canvas* canvas, void* model) {
canvas_clear(canvas);
canvas_set_font(canvas, FontPrimary);

2
applications/nfc/nfc_views.h
View File

@ -11,6 +11,7 @@ typedef enum {
NfcViewMenu,
NfcViewRead,
NfcViewReadEmv,
NfcViewEmulateEMV,
NfcViewEmulate,
NfcViewField,
NfcViewError,
@ -28,6 +29,7 @@ void nfc_view_read_nfcf_draw(Canvas* canvas, NfcViewReadModel* model);
void nfc_view_read_nfcv_draw(Canvas* canvas, NfcViewReadModel* model);
void nfc_view_read_emv_draw(Canvas* canvas, void* model);
void nfc_view_emulate_emv_draw(Canvas* canvas, void* model);
void nfc_view_emulate_draw(Canvas* canvas, void* model);
void nfc_view_field_draw(Canvas* canvas, void* model);

72
applications/nfc/nfc_worker.c Executable file → Normal file
View File

@ -64,6 +64,8 @@ void nfc_worker_task(void* context) {
nfc_worker_poll(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateReadEMV) {
nfc_worker_read_emv(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateEmulateEMV) {
nfc_worker_emulate_emv(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateEmulate) {
nfc_worker_emulate(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateField) {
@ -77,7 +79,6 @@ void nfc_worker_task(void* context) {
void nfc_worker_read_emv(NfcWorker* nfc_worker) {
ReturnCode err;
rfalNfcDevice* dev_list;
rfalNfcDevice* dev_active;
EmvApplication emv_app = {};
uint8_t dev_cnt = 0;
uint8_t tx_buff[255] = {};
@ -94,11 +95,9 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
if(api_hal_nfc_detect(&dev_list, &dev_cnt, 100, false)) {
// Card was found. Check that it supports EMV
if(dev_list[0].rfInterface == RFAL_NFC_INTERFACE_ISODEP) {
dev_active = &dev_list[0];
FURI_LOG_I(NFC_WORKER_TAG, "Send select PPSE command");
tx_len = emv_prepare_select_ppse(tx_buff);
err = api_hal_nfc_data_exchange(
dev_active, tx_buff, tx_len, &rx_buff, &rx_len, false);
err = api_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err != ERR_NONE) {
FURI_LOG_E(NFC_WORKER_TAG, "Error during selection PPSE request: %d", err);
message.type = NfcMessageTypeEMVNotFound;
@ -117,8 +116,7 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
}
FURI_LOG_I(NFC_WORKER_TAG, "Starting application ...");
tx_len = emv_prepare_select_app(tx_buff, &emv_app);
err = api_hal_nfc_data_exchange(
dev_active, tx_buff, tx_len, &rx_buff, &rx_len, false);
err = api_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err != ERR_NONE) {
FURI_LOG_E(
NFC_WORKER_TAG, "Error during application selection request: %d", err);
@ -140,8 +138,7 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
}
FURI_LOG_I(NFC_WORKER_TAG, "Starting Get Processing Options command ...");
tx_len = emv_prepare_get_proc_opt(tx_buff, &emv_app);
err = api_hal_nfc_data_exchange(
dev_active, tx_buff, tx_len, &rx_buff, &rx_len, false);
err = api_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err != ERR_NONE) {
FURI_LOG_E(
NFC_WORKER_TAG, "Error during Get Processing Options command: %d", err);
@ -171,7 +168,7 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
for(uint8_t record = record_start; record <= record_end; ++record) {
tx_len = emv_prepare_read_sfi_record(tx_buff, sfi, record);
err = api_hal_nfc_data_exchange(
dev_active, tx_buff, tx_len, &rx_buff, &rx_len, false);
tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err != ERR_NONE) {
FURI_LOG_E(
NFC_WORKER_TAG,
@ -215,6 +212,61 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
api_hal_nfc_deactivate();
}
void nfc_worker_emulate_emv(NfcWorker* nfc_worker) {
ReturnCode err;
uint8_t tx_buff[255] = {};
uint16_t tx_len = 0;
uint8_t* rx_buff;
uint16_t* rx_len;
while(nfc_worker->state == NfcWorkerStateEmulateEMV) {
if(api_hal_nfc_listen(1000)) {
FURI_LOG_I(NFC_WORKER_TAG, "POS terminal detected");
// Read data from POS terminal
err = api_hal_nfc_data_exchange(NULL, 0, &rx_buff, &rx_len, false);
if(err == ERR_NONE) {
FURI_LOG_I(NFC_WORKER_TAG, "Received Select PPSE");
} else {
FURI_LOG_E(NFC_WORKER_TAG, "Error in 1st data exchange: select PPSE");
api_hal_nfc_deactivate();
continue;
}
FURI_LOG_I(NFC_WORKER_TAG, "Transive SELECT PPSE ANS");
tx_len = emv_select_ppse_ans(tx_buff);
err = api_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err == ERR_NONE) {
FURI_LOG_I(NFC_WORKER_TAG, "Received Select APP");
} else {
FURI_LOG_E(NFC_WORKER_TAG, "Error in 2nd data exchange: select APP");
api_hal_nfc_deactivate();
continue;
}
FURI_LOG_I(NFC_WORKER_TAG, "Transive SELECT APP ANS");
tx_len = emv_select_app_ans(tx_buff);
err = api_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err == ERR_NONE) {
FURI_LOG_I(NFC_WORKER_TAG, "Received PDOL");
} else {
FURI_LOG_E(NFC_WORKER_TAG, "Error in 3rd data exchange: receive PDOL");
api_hal_nfc_deactivate();
continue;
}
FURI_LOG_I(NFC_WORKER_TAG, "Transive PDOL ANS");
tx_len = emv_get_proc_opt_ans(tx_buff);
err = api_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err == ERR_NONE) {
FURI_LOG_I(NFC_WORKER_TAG, "Received PDOL");
}
api_hal_nfc_deactivate();
} else {
FURI_LOG_W(NFC_WORKER_TAG, "Can't find reader");
}
osDelay(20);
}
}
void nfc_worker_poll(NfcWorker* nfc_worker) {
rfalNfcDevice* dev_list;
uint8_t dev_cnt;
@ -249,7 +301,7 @@ void nfc_worker_poll(NfcWorker* nfc_worker) {
furi_check(
osMessageQueuePut(nfc_worker->message_queue, &message, 0, osWaitForever) == osOK);
}
osDelay(20);
osDelay(5);
}
}

2
applications/nfc/nfc_worker_i.h
View File

@ -31,6 +31,8 @@ void nfc_worker_task(void* context);
void nfc_worker_read_emv(NfcWorker* nfc_worker);
void nfc_worker_emulate_emv(NfcWorker* nfc_worker);
void nfc_worker_poll(NfcWorker* nfc_worker);
void nfc_worker_emulate(NfcWorker* nfc_worker);

7
firmware/targets/api-hal-include/api-hal-nfc.h
View File

@ -44,10 +44,15 @@ void api_hal_nfc_exit_sleep();
*/
bool api_hal_nfc_detect(rfalNfcDevice** dev_list, uint8_t* dev_cnt, uint32_t cycles, bool deactivate);
/**
* NFC listen
*/
bool api_hal_nfc_listen(uint32_t timeout);
/**
* NFC data exchange
*/
ReturnCode api_hal_nfc_data_exchange(rfalNfcDevice* dev, uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate);
ReturnCode api_hal_nfc_data_exchange(uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate);
/**
* NFC deactivate and start sleep

86
firmware/targets/f5/api-hal/api-hal-nfc.c
View File

@ -2,6 +2,7 @@
#include <st25r3916.h>
static bool dev_is_found = false;
const uint32_t clocks_in_ms = 64 * 1000;
ReturnCode api_hal_nfc_init() {
// Check if Nfc worker was started
@ -72,7 +73,7 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
FURI_LOG_D("HAL NFC", "Found %d devices", dev_cnt);
break;
}
osDelay(5);
osDelay(10);
}
if(deactivate) {
rfalNfcDeactivate(false);
@ -86,35 +87,86 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
return true;
}
ReturnCode api_hal_nfc_data_exchange(rfalNfcDevice* dev, uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate) {
furi_assert(dev);
furi_assert(tx_buff);
bool api_hal_nfc_listen(uint32_t timeout) {
api_hal_nfc_exit_sleep();
rfalLowPowerModeStop();
rfalNfcState state = rfalNfcGetState();
if(state == RFAL_NFC_STATE_NOTINIT) {
rfalNfcInitialize();
} else if(state >= RFAL_NFC_STATE_ACTIVATED) {
rfalNfcDeactivate(false);
}
rfalNfcDiscoverParam params;
params.compMode = RFAL_COMPLIANCE_MODE_EMV;
params.techs2Find = RFAL_NFC_LISTEN_TECH_A;
params.totalDuration = 1000;
params.devLimit = 1;
params.wakeupEnabled = false;
params.wakeupConfigDefault = true;
params.nfcfBR = RFAL_BR_212;
params.ap2pBR = RFAL_BR_424;
params.maxBR = RFAL_BR_KEEP;
params.GBLen = RFAL_NFCDEP_GB_MAX_LEN;
params.notifyCb = NULL;
params.lmConfigPA.nfcidLen = RFAL_LM_NFCID_LEN_04;
params.lmConfigPA.nfcid[0] = 0XCF;
params.lmConfigPA.nfcid[1] = 0x72;
params.lmConfigPA.nfcid[2] = 0xD4;
params.lmConfigPA.nfcid[3] = 0x40;
params.lmConfigPA.SENS_RES[0] = 0x04;
params.lmConfigPA.SENS_RES[1] = 0x00;
params.lmConfigPA.SEL_RES = 0x20;
uint32_t start = DWT->CYCCNT;
rfalNfcDiscover(&params);
while(state != RFAL_NFC_STATE_ACTIVATED) {
rfalNfcWorker();
state = rfalNfcGetState();
FURI_LOG_D("HAL NFC", "Current state %d", state);
if(DWT->CYCCNT - start > timeout * clocks_in_ms) {
rfalNfcDeactivate(true);
return false;
}
if(state == RFAL_NFC_STATE_LISTEN_ACTIVATION) {
continue;
}
taskYIELD();
}
return true;
}
ReturnCode api_hal_nfc_data_exchange(uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate) {
furi_assert(rx_buff);
furi_assert(rx_len);
ReturnCode ret;
rfalNfcDevice* active_dev;
rfalNfcState state = RFAL_NFC_STATE_ACTIVATED;
ret = rfalNfcGetActiveDevice(&active_dev);
if(ret != ERR_NONE) {
return ret;
}
if (active_dev != dev) {
return ERR_NOTFOUND;
}
ret = rfalNfcDataExchangeStart(tx_buff, tx_len, rx_buff, rx_len, 0);
if(ret != ERR_NONE) {
return ret;
}
FURI_LOG_D("HAL NFC", "Start data exchange");
uint32_t start = DWT->CYCCNT;
while(state != RFAL_NFC_STATE_DATAEXCHANGE_DONE) {
rfalNfcWorker();
state = rfalNfcGetState();
FURI_LOG_D("HAL NFC", "Data exchange status: %d", rfalNfcDataExchangeGetStatus());
osDelay(10);
ret = rfalNfcDataExchangeGetStatus();
FURI_LOG_D("HAL NFC", "Nfc st: %d Data st: %d", state, ret);
if(ret > ERR_SLEEP_REQ) {
return ret;
}
if(ret == ERR_BUSY) {
if(DWT->CYCCNT - start > 1000 * clocks_in_ms) {
return ERR_TIMEOUT;
}
continue;
} else {
start = DWT->CYCCNT;
}
taskYIELD();
}
FURI_LOG_D("HAL NFC", "Data exchange complete");
if(deactivate) {
rfalNfcDeactivate(false);
rfalLowPowerModeStart();

86
firmware/targets/f6/api-hal/api-hal-nfc.c
View File

@ -2,6 +2,7 @@
#include <st25r3916.h>
static bool dev_is_found = false;
const uint32_t clocks_in_ms = 64 * 1000;
ReturnCode api_hal_nfc_init() {
// Check if Nfc worker was started
@ -72,7 +73,7 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
FURI_LOG_D("HAL NFC", "Found %d devices", dev_cnt);
break;
}
osDelay(5);
osDelay(10);
}
if(deactivate) {
rfalNfcDeactivate(false);
@ -86,35 +87,86 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
return true;
}
ReturnCode api_hal_nfc_data_exchange(rfalNfcDevice* dev, uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate) {
furi_assert(dev);
furi_assert(tx_buff);
bool api_hal_nfc_listen(uint32_t timeout) {
api_hal_nfc_exit_sleep();
rfalLowPowerModeStop();
rfalNfcState state = rfalNfcGetState();
if(state == RFAL_NFC_STATE_NOTINIT) {
rfalNfcInitialize();
} else if(state >= RFAL_NFC_STATE_ACTIVATED) {
rfalNfcDeactivate(false);
}
rfalNfcDiscoverParam params;
params.compMode = RFAL_COMPLIANCE_MODE_EMV;
params.techs2Find = RFAL_NFC_LISTEN_TECH_A;
params.totalDuration = 1000;
params.devLimit = 1;
params.wakeupEnabled = false;
params.wakeupConfigDefault = true;
params.nfcfBR = RFAL_BR_212;
params.ap2pBR = RFAL_BR_424;
params.maxBR = RFAL_BR_KEEP;
params.GBLen = RFAL_NFCDEP_GB_MAX_LEN;
params.notifyCb = NULL;
params.lmConfigPA.nfcidLen = RFAL_LM_NFCID_LEN_04;
params.lmConfigPA.nfcid[0] = 0XCF;
params.lmConfigPA.nfcid[1] = 0x72;
params.lmConfigPA.nfcid[2] = 0xD4;
params.lmConfigPA.nfcid[3] = 0x40;
params.lmConfigPA.SENS_RES[0] = 0x04;
params.lmConfigPA.SENS_RES[1] = 0x00;
params.lmConfigPA.SEL_RES = 0x20;
uint32_t start = DWT->CYCCNT;
rfalNfcDiscover(&params);
while(state != RFAL_NFC_STATE_ACTIVATED) {
rfalNfcWorker();
state = rfalNfcGetState();
FURI_LOG_D("HAL NFC", "Current state %d", state);
if(DWT->CYCCNT - start > timeout * clocks_in_ms) {
rfalNfcDeactivate(true);
return false;
}
if(state == RFAL_NFC_STATE_LISTEN_ACTIVATION) {
continue;
}
taskYIELD();
}
return true;
}
ReturnCode api_hal_nfc_data_exchange(uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate) {
furi_assert(rx_buff);
furi_assert(rx_len);
ReturnCode ret;
rfalNfcDevice* active_dev;
rfalNfcState state = RFAL_NFC_STATE_ACTIVATED;
ret = rfalNfcGetActiveDevice(&active_dev);
if(ret != ERR_NONE) {
return ret;
}
if (active_dev != dev) {
return ERR_NOTFOUND;
}
ret = rfalNfcDataExchangeStart(tx_buff, tx_len, rx_buff, rx_len, 0);
if(ret != ERR_NONE) {
return ret;
}
FURI_LOG_D("HAL NFC", "Start data exchange");
uint32_t start = DWT->CYCCNT;
while(state != RFAL_NFC_STATE_DATAEXCHANGE_DONE) {
rfalNfcWorker();
state = rfalNfcGetState();
FURI_LOG_D("HAL NFC", "Data exchange status: %d", rfalNfcDataExchangeGetStatus());
osDelay(10);
ret = rfalNfcDataExchangeGetStatus();
FURI_LOG_D("HAL NFC", "Nfc st: %d Data st: %d", state, ret);
if(ret > ERR_SLEEP_REQ) {
return ret;
}
if(ret == ERR_BUSY) {
if(DWT->CYCCNT - start > 1000 * clocks_in_ms) {
return ERR_TIMEOUT;
}
continue;
} else {
start = DWT->CYCCNT;
}
taskYIELD();
}
FURI_LOG_D("HAL NFC", "Data exchange complete");
if(deactivate) {
rfalNfcDeactivate(false);
rfalLowPowerModeStart();

34
lib/nfc_protocols/emv_decoder.c
View File

@ -37,6 +37,25 @@ const PDOLValue* pdol_values[] = {
&pdol_unpredict_number,
};
static const uint8_t select_ppse_ans[] = {
0x6F, 0x29, 0x84, 0x0E, 0x32, 0x50, 0x41, 0x59, 0x2E,
0x53, 0x59, 0x53, 0x2E, 0x44, 0x44, 0x46, 0x30, 0x31,
0xA5, 0x17, 0xBF, 0x0C, 0x14, 0x61, 0x12, 0x4F, 0x07,
0xA0, 0x00, 0x00, 0x00, 0x03, 0x10, 0x10, 0x50, 0x04,
0x56, 0x49, 0x53, 0x41, 0x87, 0x01, 0x01, 0x90, 0x00};
static const uint8_t select_app_ans[] = {
0x6F, 0x20, 0x84, 0x07, 0xA0, 0x00, 0x00, 0x00, 0x03,
0x10, 0x10, 0xA5, 0x15, 0x50, 0x04, 0x56, 0x49, 0x53,
0x41, 0x9F, 0x38, 0x0C, 0x9F, 0x66, 0x04, 0x9F, 0x02,
0x06, 0x9F, 0x37, 0x04, 0x5F, 0x2A, 0x02, 0x90, 0x00};
static const uint8_t pdol_ans[] = {
0x77, 0x40, 0x82, 0x02, 0x20, 0x00, 0x57, 0x13, 0x55, 0x70, 0x73, 0x83,
0x85, 0x87, 0x73, 0x31, 0xD1, 0x80, 0x22, 0x01, 0x38, 0x84, 0x77, 0x94,
0x00, 0x00, 0x1F, 0x5F, 0x34, 0x01, 0x00, 0x9F, 0x10, 0x07, 0x06, 0x01,
0x11, 0x03, 0x80, 0x00, 0x00, 0x9F, 0x26, 0x08, 0x7A, 0x65, 0x7F, 0xD3,
0x52, 0x96, 0xC9, 0x85, 0x9F, 0x27, 0x01, 0x00, 0x9F, 0x36, 0x02, 0x06,
0x0C, 0x9F, 0x6C, 0x02, 0x10, 0x00, 0x90, 0x00};
static uint16_t emv_parse_TLV(uint8_t* dest, uint8_t* src, uint16_t* idx) {
uint8_t len = src[*idx + 1];
memcpy(dest, &src[*idx + 2], len);
@ -203,3 +222,18 @@ bool emv_decode_read_sfi_record(uint8_t* buff, uint16_t len, EmvApplication* app
}
return false;
}
uint16_t emv_select_ppse_ans(uint8_t* buff) {
memcpy(buff, select_ppse_ans, sizeof(select_ppse_ans));
return sizeof(select_ppse_ans);
}
uint16_t emv_select_app_ans(uint8_t* buff) {
memcpy(buff, select_app_ans, sizeof(select_app_ans));
return sizeof(select_app_ans);
}
uint16_t emv_get_proc_opt_ans(uint8_t* buff) {
memcpy(buff, pdol_ans, sizeof(pdol_ans));
return sizeof(pdol_ans);
}

6
lib/nfc_protocols/emv_decoder.h
View File

@ -37,6 +37,7 @@ typedef struct {
APDU afl;
} EmvApplication;
/* Terminal emulation */
uint16_t emv_prepare_select_ppse(uint8_t* dest);
bool emv_decode_ppse_response(uint8_t* buff, uint16_t len, EmvApplication* app);
@ -48,3 +49,8 @@ bool emv_decode_get_proc_opt(uint8_t* buff, uint16_t len, EmvApplication* app);
uint16_t emv_prepare_read_sfi_record(uint8_t* dest, uint8_t sfi, uint8_t record_num);
bool emv_decode_read_sfi_record(uint8_t* buff, uint16_t len, EmvApplication* app);
/* Card emulation */
uint16_t emv_select_ppse_ans(uint8_t* buff);
uint16_t emv_select_app_ans(uint8_t* buff);
uint16_t emv_get_proc_opt_ans(uint8_t* buff);