Simulation-based analysis of E2E voting systems

Authors Olivier de Marneffe, Olivier Pereira, Jean-Jacques Quisquater

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Olivier de Marneffe
Olivier Pereira
Jean-Jacques Quisquater

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Olivier de Marneffe, Olivier Pereira, and Jean-Jacques Quisquater. Simulation-based analysis of E2E voting systems. In Frontiers of Electronic Voting. Dagstuhl Seminar Proceedings, Volume 7311, pp. 1-14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)


End-to-end auditable voting systems are expected to guarantee very interesting, and often sophisticated security properties, including correctness, privacy, fairness, receipt-freeness, dots However, for many well-known protocols, these properties have never been analyzed in a systematic way. In this paper, we investigate the use of techniques from the simulation-based security tradition for the analysis of these protocols, through a case-study on the ThreeBallot protocol. Our analysis shows that the ThreeBallot protocol fails to emulate some natural voting functionality, reflecting the lack of election fairness guarantee from this protocol. Guided by the reasons that make our security proof fail, we propose a simple variant of the ThreeBallot protocol and show that this variant emulates our functionality.
  • UC framework
  • simulatability
  • security proof
  • ThreeBallot


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