serialize Engine.serialize_fixed_rotation_key(fixed_rotation_key) 고정 회전 키를 직렬화합니다. 인풋: FixedRotationKey 아웃풋: bytearray 예시 from desilofhe import Engine engine = Engine() secret_key = engine.create_secret_key() fixed_rotation_key = engine.create_fixed_rotation_key(secret_key, delta=1) serialized_fixed_rotation_key = engine.serialize_fixed_rotation_key( fixed_rotation_key )