Abstract
As P2P technique is broadly used for content distribution today, copyright infringement becomes a big problem. Thus we propose a DRM scheme over P2P network by establishing an access control mechanism for shared digital content. Compared with the traditional PKI, broadcast encryption is considered as more suitable for constructing P2P DRM system. But the existence of a central license server would not only cause single point of failure but also bring bottleneck problem. In this paper, we describe a basic implementation of broadcast encryption-based P2P DRM system first. Then we present a general scheme with focus on how to decentralize the license agency to reserve the flexibility of P2P network. At last we analyze its security, evaluate its efficiency and point out a tradeoff between the two system parameters.
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Liu, L., Yuan, C. (2009). Broadcast Encryption-Based P2P DRM without Central License Server . In: Muneesawang, P., Wu, F., Kumazawa, I., Roeksabutr, A., Liao, M., Tang, X. (eds) Advances in Multimedia Information Processing - PCM 2009. PCM 2009. Lecture Notes in Computer Science, vol 5879. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10467-1_39
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DOI: https://doi.org/10.1007/978-3-642-10467-1_39
Publisher Name: Springer, Berlin, Heidelberg
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