Group Key Establishment: Adding Perfect Forward Secrecy at the Cost of One Round

  • Kashi Neupane
  • Rainer Steinwandt
  • Adriana Suárez Corona
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7712)

Abstract

A compiler is presented which, in the random oracle model, allows to add perfect forward secrecy to any secure authenticated group key establishment protocol P which has at least one round. The compiler does not modify the session identifier and does not impose changes on the underlying public key infrastructure. Building on a secure unauthenticated 1-round 2-party key establishment Q with perfect forward secrecy as auxiliary input, P is transformed into an authenticated group key establishment protocol with perfect forward secrecy and with one more round than P.

Keywords

protocol compiler group key establishment forward secrecy 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

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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