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Add cancel button event.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-06-01 01:43:25 +02:00
parent a2044d697d
commit 3ccd6e827f
7 changed files with 23 additions and 10 deletions
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2
pico-keys-sdk

Submodule pico-keys-sdk updated: eb26a96d3b...49edef1d3f

2
src/fido/cbor_reset.c
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@@ -35,7 +35,7 @@ int cbor_reset(void) {
return CTAP2_ERR_NOT_ALLOWED;
}
#endif
if (wait_button_pressed() == true) {
if (wait_button_pressed() > 0) {
return CTAP2_ERR_USER_ACTION_TIMEOUT;
}
#endif

9
src/fido/cbor_selection.c
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@@ -20,9 +20,16 @@
#include "ctap2_cbor.h"
#include "ctap.h"
extern char *rp_id, *user_name, *display_name;
int cbor_selection(void) {
if (wait_button_pressed() == true) {
rp_id = user_name = display_name = NULL;
int ret = wait_button_pressed() ;
if (ret == 1) {
return CTAP2_ERR_USER_ACTION_TIMEOUT;
}
else if (ret == 2) {
return CTAP2_ERR_OPERATION_DENIED;
}
return CTAP2_OK;
}

2
src/fido/cmd_authenticate.c
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@@ -34,7 +34,7 @@ int cmd_authenticate(void) {
if (req->keyHandleLen < KEY_HANDLE_LEN) {
return SW_INCORRECT_PARAMS();
}
if (P1(apdu) == CTAP_AUTH_ENFORCE && wait_button_pressed() == true) {
if (P1(apdu) == CTAP_AUTH_ENFORCE && wait_button_pressed() > 0) {
return SW_CONDITIONS_NOT_SATISFIED();
}

2
src/fido/cmd_register.c
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@@ -63,7 +63,7 @@ int cmd_register(void) {
if (apdu.nc != CTAP_APPID_SIZE + CTAP_CHAL_SIZE) {
return SW_WRONG_LENGTH();
}
if (wait_button_pressed() == true) {
if (wait_button_pressed() > 0) {
return SW_CONDITIONS_NOT_SATISFIED();
}
if (memcmp(req->appId, bogus_firefox,

14
src/fido/fido.c
View File

@@ -498,22 +498,28 @@ void init_fido(void) {
needs_power_cycle = false;
}
bool wait_button_pressed(void) {
int wait_button_pressed(void) {
uint32_t val = EV_PRESS_BUTTON;
#if defined(PICO_PLATFORM) || defined(ESP_PLATFORM)
queue_try_add(&card_to_usb_q, &val);
do {
queue_remove_blocking(&usb_to_card_q, &val);
} while (val != EV_BUTTON_PRESSED && val != EV_BUTTON_TIMEOUT);
} while (val != EV_BUTTON_PRESSED && val != EV_BUTTON_TIMEOUT && val != EV_BUTTON_CANCELLED);
#endif
return val == EV_BUTTON_TIMEOUT;
if (val == EV_BUTTON_TIMEOUT) {
return 1;
}
else if (val == EV_BUTTON_CANCELLED) {
return 2;
}
return 0;
}
uint32_t user_present_time_limit = 0;
bool check_user_presence(void) {
if (user_present_time_limit == 0 || user_present_time_limit + TRANSPORT_TIME_LIMIT < board_millis()) {
if (wait_button_pressed() == true) { //timeout
if (wait_button_pressed() > 0) { //timeout
return false;
}
//user_present_time_limit = board_millis();

2
src/fido/fido.h
View File

@@ -41,7 +41,7 @@ extern int derive_key(const uint8_t *app_id,
int,
mbedtls_ecp_keypair *key);
extern int verify_key(const uint8_t *appId, const uint8_t *keyHandle, mbedtls_ecp_keypair *);
extern bool wait_button_pressed(void);
extern int wait_button_pressed(void);
extern void init_fido(void);
extern void init_otp(void);
extern void scan_all(void);