Defining Authorization Domains Using Virtual Devices
SAINT-W '03 Proceedings of the 2003 Symposium on Applications and the Internet Workshops (SAINT'03 Workshops)
A DRM security architecture for home networks
Proceedings of the 4th ACM workshop on Digital rights management
Enabling DRM-Preserving Digital Content Redistribution
CEC '05 Proceedings of the Seventh IEEE International Conference on E-Commerce Technology
Digital rights management with right delegation for home networks
ICISC'06 Proceedings of the 9th international conference on Information Security and Cryptology
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A robust and flexible Digital Rights Management system for home networks is presented. In the proposed system, the central authority delegates its authorization right to the local manager in a home network by issuing a proxy certificate, and the local manager flexibly controls the access rights of home devices on digital contents with its proxy certificate. Furthermore, the proposed system provides a temporary accessing facility for external devices and achieves strong privacy for home devices. For the validation of delegated rights and the revocation of compromised local managers, a hybrid mechanism combining OCSP validation and periodic renewal of proxy certificates is also presented.