Combinatorial designs have been used to construct digital fingerprint codes. Here, a new constructive algorithm for an anticollusion fingerprint code based on group-divisible designs is presented. These codes are easy to construct and available for a large number of individuals, which is important from a business point of view. Group-divisible designs have not been used previously as a tool for fingerprint code construction.
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Department of Electrical Engineering and Computer Science, Division of Computer Science, Korea Advanced Institute of Science and Technology, Daejon, Republic of Korea;
