A non-interactive deniable authentication scheme based on designated verifier proofs

  • Authors:
  • Bin Wang;ZhaoXia Song

  • Affiliations:
  • Information Engineering College of Yangzhou University, P.O. Box 153#, No. 36 Middle JiangYang Road, 225009 Yangzhou City, Jiangsu Province, PR China;Information Engineering College of Yangzhou University, P.O. Box 153#, No. 36 Middle JiangYang Road, 225009 Yangzhou City, Jiangsu Province, PR China

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2009

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Abstract

A deniable authentication protocol enables a receiver to identify the source of the given messages but unable to prove to a third party the identity of the sender. In recent years, several non-interactive deniable authentication schemes have been proposed in order to enhance efficiency. In this paper, we propose a security model for non-interactive deniable authentication schemes. Then a non-interactive deniable authentication scheme is presented based on designated verifier proofs. Furthermore, we prove the security of our scheme under the DDH assumption.