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Abstract
The traitor tracing protocol is used to detect the illegal transaction. Here I used fingerprinting solution to avoid illegal redistribution of multimedia contents. However, most of the existing anonymous fingerprinting protocols are impractical for two main reasons: 1) the use of complex time-consuming protocols and/or homomorphic encryption of the content, and 2) a unicast approach for sharing that do not scale for a large number of buyers. In this project stems from a previous proposal of recombined fingerprints which overcomes some of these drawbacks. However, the recombined fingerprint approach requires a complex graph search for traitor tracing, which needs the contribution of other buyers, and honest proxies in its P2P distribution situation. In this project focuses on removing these disadvantages resulting in an efficient, scalable, privacy-preserving and P2P-based fingerprinting system.