Invention Application
WO2008134463A1 METHOD AND APPARATUS FOR ASSISTING WITH CONTENT KEY CHANGES 审中-公开
用于辅助内容关键变化的方法和装置

METHOD AND APPARATUS FOR ASSISTING WITH CONTENT KEY CHANGES
Abstract:
A process may be utilized by the DVR. The process receives a plurality of segments of a set of content and a plurality of corresponding content rule sets. Further, the process provides one or more instructions to record and encrypt the plurality of segments of the set of content on a storage medium. In addition, the process provides the plurality of content rule sets to the DRM component to be inserted into a locally generated and secured content license associated with the encryption of the set of content. The secured content license includes a master key and a list of the plurality of corresponding content rule sets that have been received in order of reception. The process receives a plurality of marker tokens from the DRM component in order to facilitate trick mode playback.
Patent Agency Ranking
0/0