- EncryptedECinemaKDM (std::string id, std::string name, dcp::Key key, dcp::Certificate recipient);
+ EncryptedECinemaKDM (std::string id, std::string name, dcp::Key key, boost::optional<dcp::LocalTime> not_valid_before, boost::optional<dcp::LocalTime> not_valid_after, dcp::Certificate recipient);