Abstract
P2P networks play a promotive role in distribution and transmission of digital multimedia content by providing high availability, fault tolerance, bandwidth efficiency and dynamic scalability. At the same time, however, it facilitates illegal pirate and unauthorized access towards copyright media content which may violate possessor ownership and result in economic loss. Conventional client/server model for DRM has difficulties coping with the challenge of secure communication in P2P environment. In this paper, we propose a strategy to incorporate DRM mechanism into P2P network architecture and construct a system which ensures efficient content sharing as well as reliable media protection. Our approach implements a revocable key management scheme based on broadcast encryption and enables cryptographic information for session key processing to be distributed among users within the same authorized domain in peer-to-peer mode. Mathematical analysis has demonstrated that the new strategy outperforms traditional solutions on alleviating communication overhead of License Server, minishing peer latency of authorization, and importing security modules without much modification to original peer-to-peer infrastructure.
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Zhang, Y., Yuan, C., Zhong, Y. (2007). Implementing DRM over Peer-to-Peer Networks with Broadcast Encryption. In: Ip, H.HS., Au, O.C., Leung, H., Sun, MT., Ma, WY., Hu, SM. (eds) Advances in Multimedia Information Processing – PCM 2007. PCM 2007. Lecture Notes in Computer Science, vol 4810. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77255-2_26
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DOI: https://doi.org/10.1007/978-3-540-77255-2_26
Publisher Name: Springer, Berlin, Heidelberg
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