Formal proof of cooperativeness in a multi-party P2P content authentication protocol

  • Authors:
  • Almudena Alcaide;Esther Palomar;Ana I. González-Tablas,;Arturo Ribagorda

  • Affiliations:
  • Department of Computer Science, University Carlos III of Madrid;Department of Computer Science, University Carlos III of Madrid;Department of Computer Science, University Carlos III of Madrid;Department of Computer Science, University Carlos III of Madrid

  • Venue:
  • TrustBus'10 Proceedings of the 7th international conference on Trust, privacy and security in digital business
  • Year:
  • 2010

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Abstract

The goal of this paper is to present a formal framework specially defined for the analysis of cooperative behavior in self-organizing multi-party security protocols. To illustrate the formalism, we formally analyze a multi-party peer to peer (MP-P2P) content authentication protocol which ensures content integrity in a decentralized P2P file sharing system. Our approach, based on Game Theory, will serve to formally analyze and verify cooperation among a variable number of selfish and untrustworthy participant peers.