Scalable attribute-based group key establishment: from passive to active and deniable

Original Paper
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Abstract

A protocol compiler is presented which transforms any unauthenticated (attribute-based) group key establishment protocol into an authenticated attribute-based group key establishment. If the protocol to which the compiler is applied does not make use of long-term secrets, then the resulting protocol is, in addition, deniable. In particular, applying our compiler to an unauthenticated 2-round protocol going back to Burmester and Desmedt results in a 3-round solution for attribute-based group key establishment, offering both forward secrecy and deniability.

Keywords

Group key establishment Deniabilility Attribute-based key encapsulation Attribute-based signature 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Florida Atlantic UniversityBoca RatonUSA
  2. 2.University of DenverDenverUSA

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