Sliding-window dynamic frameproof codes

  • Authors:
  • Maura Paterson

  • Affiliations:
  • Department of Mathematics, Royal Holloway, University of London, Egham, UK TW20 0EX

  • Venue:
  • Designs, Codes and Cryptography
  • Year:
  • 2007

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Abstract

A sliding-window dynamic frameproof code is a scheme for discouraging the piracy of digital broadcasts through the use of digital fingerprinting. In this paper, we formally define sliding-window dynamic frameproof codes and provide optimal constructions for a certain class of these schemes. We also discuss bounds on the number of users such schemes can support.