dearsky/pico-fido
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Adding routine for pressing button to test required user presence.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-09-06 16:24:21 +02:00
parent 9cbe6d9c33
commit 9bf20175be
2 changed files with 11 additions and 0 deletions
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10
src/fido/fido.c
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@@ -22,6 +22,7 @@
#include "u2f.h" #include "u2f.h"
#include "files.h" #include "files.h"
#include "file.h" #include "file.h"
#include "usb.h"
#include "random.h" #include "random.h"
#include "mbedtls/ecdsa.h" #include "mbedtls/ecdsa.h"
#include "mbedtls/x509_crt.h" #include "mbedtls/x509_crt.h"
@@ -186,6 +187,15 @@ void init_fido() {
scan_all(); scan_all();
} }
bool wait_button_pressed() {
uint32_t val = EV_PRESS_BUTTON;
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);
return val == EV_BUTTON_TIMEOUT;
}
typedef struct cmd typedef struct cmd
{ {
uint8_t ins; uint8_t ins;

1
src/fido/fido.h
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@@ -30,5 +30,6 @@
extern int scan_files(); extern int scan_files();
extern int derive_key(const uint8_t *app_id, bool new_key, uint8_t *key_handle, mbedtls_ecdsa_context *key); extern int derive_key(const uint8_t *app_id, bool new_key, uint8_t *key_handle, mbedtls_ecdsa_context *key);
extern bool wait_button_pressed();
#endif //_FIDO_H #endif //_FIDO_H