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A New Scheme for Deniable/Repudiable Authentication

  • Song Y. Yan
  • Carsten Maple
  • Glyn James
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4770)

Abstract

One of the most important features of authentication is the non-repudiation property, implemented by digital signatures. This useful feature of authentication may, however, not be necessary in some cases, such as e-voting, and should indeed be avoided. In this paper, by a combined use of public-key encryption, digital signatures, coding, quadratic residues, and randomness, a new scheme for deniable/repudiable authentication is proposed and analyzed, and a complete example of the scheme is given. The security of the scheme is based on the intractability of the quadratic residuosity problem.

Keywords

Deniable/repudiable authentication intractability quadratic residuosity problem 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Song Y. Yan
    • 1
    • 2
  • Carsten Maple
    • 1
  • Glyn James
    • 3
  1. 1.Institute for Research in Applicable Computing, University of Bedfordshire, Park Square Luton, LU1 3JUUK
  2. 2.School of Computer Science and Engineering, South China University of Technology, Guangzhou 510006China
  3. 3.Department of Mathematical Sciences, Coventry University, CV1 5FBUK

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