摘要 |
In one embodiment of the invention, a format for renewability content (e.g., a System Renewability Message (SRM)) corresponding to a content protection protocol (e.g., High-Bandwidth Digital Content Protection (HDCP)) may be interoperable with devices that are compliant with different versions of the standard (e.g., HDCP1.x and 2.x devices) and that include different amounts of storage for the renewability content (e.g., first and second generation devices). |