feat: register outputs json

src/sign.rs

@@ -48,7 +48,8 @@ impl Command for CommandImpl {
         }));
 
         let u2fv2_challenge = U2fV2Challenge::new_random(app_id);
-        let chall_bytes = digest::sha256(&u2fv2_challenge.to_json());
+        let u2fv2_challenge_str = u2fv2_challenge.to_json();
+        let chall_bytes = digest::sha256(&u2fv2_challenge_str);
 
         let app_bytes = digest::sha256(app_id);
 
@@ -80,6 +81,8 @@ impl Command for CommandImpl {
         success!("Key handle used: {}", base64::encode(&handle_used));
         success!("Key handle used: {}", hex::encode(&handle_used));
 
+        // u2f::authorization::parse_sign_response(app_id.to_string(), u2fv2_challenge_str.as_bytes().to_vec(), )
+
         Ok(())
     }
 }