Efficient smart-card based anonymous fingerprinting

Josep Domingo-Ferrer, Jordi Herrera-Joancomartí

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)


Thwarting unlawful redistribution of information sold electronically is a major problem of information-based electronic commerce. Anonymous fingerprinting has appeared as a technique for copyright protection which is compatible with buyer anonymity in electronic transactions. However, the complexity of known algorithms for anonymous fingerprinting is too high for practical implementation on standard computers, let alone smart cards. A scheme for anonymous fingerprinting is presented in this paper where all buyer computations can be performed by the buyer’s smart card.


  • Anonymous fingerprinting
  • Cryptographic protocols for IC cards
  • Electronic commerce
  • Intellectual property protection


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