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We present systematic strategy for collusions attacking a fingerprinting scheme. As a particular case, this strategy shows that linear codes are not good fingerprinting codes. Based on equidistant codes, we construct a family of fingerprinting codes in which the identification of guilty users can be efficiently done using minimum distance decoding.
There are several practical scenarios where the behavior of a communications channel can be somehow predictable. For instance, in nanometric technologies the increase of integration density makes memory devices more sensitive to radiation effects that can cause multiple bit upsets (MBUs) in adjacent cells. In this paper we use random error correcting codes to deal with such particular channels. We...
A fingerprinting code is a set of codewords that are embedded in each copy of a digital object with the purpose of making each copy unique. If the fingerprinting code is c-secure with error, then the decoding of a pirate word created by a coalition of at most c dishonest users, will expose at least one of the guilty parties with probability 1-ϵ. The Boneh-Shaw fingerprinting codes are n-secure codes...
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