Improved tracing algorithm for random-error-resilient collusion-secure fingerprinting codes in P2P information systems

Authors:
Ching-Nung Yang;Bing-Ling Lu
Affiliations:
National Dong Hwa University, Hualien, Taiwan;National Dong Hwa University, Hualien, Taiwan
Venue:
InfoScale '06 Proceedings of the 1st international conference on Scalable information systems
Year:
2006

Citing 6
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Abstract

A randomized c-secure CRT (Chinese Remainder Theorem) fingerprinting code was proposed to avoid the illegal copying of digital content. The tracing algorithm can detect a collusive member from the fingerprinting code generated by a coalition of at most c malicious users. However, the collusion attack and random errors increase the tracing error rate. In this paper, we improve the algorithm to achieve a more reliable tracing.