An innovative revocation scheme for one-to-many E-services
Electronic Commerce Research and Applications
On replacing cryptographic keys in hierarchical key management systems
Journal of Computer Security - The Third IEEE International Symposium on Security in Networks and Distributed Systems
Enforcing regional DRM for multimedia broadcasts with and without trusted computing
DRMTICS'05 Proceedings of the First international conference on Digital Rights Management: technologies, Issues, Challenges and Systems
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In this paper we highlight the fact that existing Pay-TV schemes operating on countries or world regions could be transformed into a global system as the digital television broadcasting technology offers the possibility to put different regional content into one transmission so that each user could decode the content according to his personal needs. As the Internet could be used for selling Pay-Per-View licenses and the digital multimedia content can be played by personal computers the existing Pay-TV systems could become a global electronic commerce solution reducing the transmission cost per content.