A new class of codes for fingerprinting schemes

Authors:
Marcel Fernandez;Miguel Soriano;Josep Cotrina
Affiliations:
Department of Telematics Engineering., Universitat Politècnica de Catalunya, Barcelona, Spain;Department of Telematics Engineering., Universitat Politècnica de Catalunya, Barcelona, Spain;Department of Telematics Engineering., Universitat Politècnica de Catalunya, Barcelona, Spain
Venue:
ISPEC'05 Proceedings of the First international conference on Information Security Practice and Experience
Year:
2005

Citing 2
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Abstract

In this paper we discuss the problem of collusion secure fingerprinting. In the first part of our contribution we prove the existence of equidistant codes that can be used as fingerprinting codes. Then we show that by giving algebraic structure to the equidistant code, the tracing process can be accomplished by passing a modified version of the Viterbi algorithm through the trellis representing the code.