A Novel Usage Control Protocol Model for DRM System

To effectively implement fair use and rights transfer of digital content in DRM(digital rights management) system, a usage control protocol model MUCON(Multi-UCON) using encryption, digital watermarking technology and traitor tracing technology based on UCON(usage control) is proposed, whose characteristics are feature binding, flexible authorization, traitor tracking, and off-line control. Meanwhile, the security of the protocol was proved, and the performance of this protocol was simulated by VC++6.0. The analysis and the experiment results show that this protocol model is secure, easy implemented, and is a good solution to the DRM system.