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This paper introduces a DRM system for electronic document publication. Through merging the process of encryption and authentication, and the system can prevent from attacking through reverse engineering to a certain degree. In this system, a part of the encryption key is dynamically generated during the authentication process. So every client will obtain a deferent encrypted data when requesting...
Rights sharing in DRM system has long been a challenge and a key technical issue. In this paper, a novel rights sharing scheme using digital ticket is proposed. The user who possesses the right object to certain DRM protected content can acquire tickets which act as ownership certifications of the content from right issuer in a controlled manner, and then deliver the tickets to the others. Other user...
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