Content Protection System with Media Key Block for Video-on-Demand
Original Publication Date: 2002-Mar-24
Included in the Prior Art Database: 2003-Jun-20
Content Protection System with Media Key Block for Video-on-Demand A flexible and reliable content protection scheme is crucial to the success of a Video-on-Demand system, or generally Media-on-Demand system. However how to design a secure and flexible content protection scheme which is not only applicable for traditional VOD system, but also for novel distributed VOD system in multicast, even peer-to-peer environment is still an open question. For a practical content protection scheme in VOD system, the benefits of all the participants on the value chain from content owner to VOD service provider to end user should be concerned. Firstly, for the content owners, the content protection scheme should enable them to distribute their content freely and securely to the variable service providers with an easy way to manage.