src/protocol/cbor.rs

@@ -922,6 +922,8 @@ mod test {
             panic!()
         }
 
+        //TODO: test Trezor response since tr isn't running fido 2.1 yet
+
         #[test]
         fn response_yubikey() {
             test_response(&[

src/protocol/error.rs

@@ -0,0 +1,7 @@
+use thiserror::Error;
+
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub enum ProtocolError {
+    CborEncode,
+    CborDecode { data: Vec<u8> },
+}

src/protocol/mod.rs

@@ -1,3 +1,4 @@
 mod cbor;
-
+mod error;
 pub use self::cbor::*;
+pub use self::error::*;