Improved Tracing Algorithm for Random-Error-Resilient Collusion-Secure Fingerprinting Codes
Ching‐Nung Yang, Bing-Ling Lu · 2009
A randomized c-secure CRT (Chinese Remainder Theorem) fingerprinting code was proposed to avoid the illegal copying problem in digital content distribution systems. The tracing algorithm can detect a collusive member from the fingerprinting code generated by a coalition of 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.