Merge pull request #452 from dajiaji/fix-to_cis

Fix to_cis to convert protected from Dict[str, Any] to Dict[int, Any].

Author: dajiaji

cwt/utils.py

@@ -150,7 +150,7 @@ def to_cis(context: Dict[str, Any], recipient_alg: Optional[int] = None) -> List
         if "protected" in context["supp_pub"]:
             if not isinstance(context["supp_pub"]["protected"], dict):
                 raise ValueError("supp_pub.protected should be dict.")
-            protected = context["supp_pub"]["protected"]
+            protected = to_cose_header(context["supp_pub"]["protected"])
             supp_pub[1] = cbor2.dumps(protected)
         if "other" in context["supp_pub"]:
             if not isinstance(context["supp_pub"]["other"], str):

tests/test_utils.py

@@ -49,6 +49,10 @@ def test_to_cis(self):
             }
         )
         assert isinstance(res, list)
+        assert len(res) == 4
+        assert res[3][0] == 128
+        assert res[3][1] == b"\xa1\x01)"
+        assert res[3][2] == b"Encryption Example 02"
 
     def test_to_cis_without_supp_pub_other(self):
         res = to_cis(