Counteracting Oracle attacks

  • Authors:
  • Ilaria Venturini

  • Affiliations:
  • École Nationale Supérieure des Télécommunications (ENST), Paris, France

  • Venue:
  • Proceedings of the 2004 workshop on Multimedia and security
  • Year:
  • 2004

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Abstract

In the paper, we address oracle attacks for integrity watermarking in a communication setting. We show how an integrity verification algorithm can be modified in order to counteract an oracle attack. As an alternative to set up suitable communication protocols, we propose to counteract oracle attacks modifying integrity verification algorithms by adding a suitable temporal constraint.