From aa7362f88fe00973addec0859f2fdf5f73252203 Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Mon, 14 Aug 2023 20:49:29 +0200
Subject: [PATCH] Fix enabled capabilities detection.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 src/fido/management.c | 2 +-
 src/fido/otp.c        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/fido/management.c b/src/fido/management.c
index bd0be9a..483937f 100644
--- a/src/fido/management.c
+++ b/src/fido/management.c
@@ -63,7 +63,7 @@ bool cap_supported(uint16_t cap) {
             if (tag == TAG_USB_ENABLED) {
                 uint16_t ecaps = tag_data[0];
                 if (tag_len == 2) {
-                    ecaps = (tag_data[1] << 8) | tag_data[0];
+                    ecaps = (tag_data[0] << 8) | tag_data[1];
                 }
                 return (ecaps & cap);
             }
diff --git a/src/fido/otp.c b/src/fido/otp.c
index 30faf19..cedcb71 100644
--- a/src/fido/otp.c
+++ b/src/fido/otp.c
@@ -176,10 +176,10 @@ extern int calculate_oath(uint8_t truncate,
 static uint8_t session_counter[2] = {0};
 #endif
 int otp_button_pressed(uint8_t slot) {
+    init_otp();
     if (!cap_supported(CAP_OTP)) {
         return 3;
     }
-    init_otp();
 #ifndef ENABLE_EMULATION
     file_t *ef = search_dynamic_file(slot == 1 ? EF_OTP_SLOT1 : EF_OTP_SLOT2);
     const uint8_t *data = file_get_data(ef);