[riot-notifications] [RIOT-OS/RIOT] FIDO2 support in RIOT (#16489)

Nils Ollrogge notifications at github.com
Thu Jul 1 14:18:35 CEST 2021

@Ollrogge commented on this pull request.

> +static ctap_get_assertion_state_t g_assert_state;
+static uint8_t g_pin_token[CTAP_PIN_TOKEN_SIZE];
+/* remaining PIN attempts until authenticator is boot locked */
+static int g_rem_pin_att_boot = CTAP_PIN_MAX_ATTS_BOOT;
+int fido2_ctap_init(void)
+    int ret;
+    load_state(&g_state);
+    ret = fido2_ctap_crypto_init();
+    if (ret != CTAP2_OK) {
+        DEBUG("fido2_ctap: initialization failed \n");
+        return -1;

Sorry I don't quite understand. Are there general RIOT return codes for success and failure ? 
Maybe I am blind but I wasn't able to find anything like this.

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