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A class of traceability codes

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3 Author(s)
T. Lindkvist ; Dept. of Electr. Eng., Linkoping Univ., Sweden ; J. Lofvenberg ; M. Svanstrom

Traceability codes are identifiable parent property (IPP) codes with the additional requirement that the Hamming distance can be used to trace a parent of a word. Traceability codes can be used for constructing digital fingerprints in order to deter users from illegally copying digital data. We construct a class of traceability codes and determine the exact parameters of some of the codes in this class

Published in:

IEEE Transactions on Information Theory  (Volume:48 ,  Issue: 7 )