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Scalable Deniable Group Key Establishment

  • Kashi Neupane
  • Rainer Steinwandt
  • Adriana Suárez Corona
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7743)

Abstract

The popular Katz-Yung compiler from CRYPTO 2003 can be used to transform unauthenticated group key establishment protocols into authenticated ones. In this paper we present a modification of Katz and Yung’s construction which maintains the round complexity of their compiler, but for ‘typical’ unauthenticated group key establishments adds authentication in such a way that deniability is achieved as well. As an application, a deniable authenticated group key establishment with three rounds of communication can be constructed.

Keywords

Group key establishment Deniability 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Kashi Neupane
    • 1
  • Rainer Steinwandt
    • 2
  • Adriana Suárez Corona
    • 2
  1. 1.Atlanta Metropolitan State CollegeAtlantaUSA
  2. 2.Florida Atlantic UniversityBoca RatonUSA

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