Single layer optical-scan voting with fully distributed trust

  • Authors:
  • Aleksander Essex;Christian Henrich;Urs Hengartner

  • Affiliations:
  • Cheriton School of Computer Science, University of Waterloo, Waterloo, ON, Canada;Institut für Kryptographie and Sicherheit/EISS, Kahrlsruhe Institute of Technology, Karlsruhe, Germany;Cheriton School of Computer Science, University of Waterloo, Waterloo, ON, Canada

  • Venue:
  • VoteID'11 Proceedings of the Third international conference on E-Voting and Identity
  • Year:
  • 2011

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Abstract

We present a new approach for cryptographic end-to-end verifiable optical-scan voting. Ours is the first that does not rely on a single point of trust to protect ballot secrecy while simultaneously offering a conventional single layer ballot form and unencrypted paper trail. We present two systems following this approach. The first system uses ballots with randomized confirmation codes and a physical in-person dispute resolution procedure. The second system improves upon the first by offering an informational dispute resolution procedure and a public paper audit trail through the use of self-blanking invisible ink confirmation codes. We then present a security analysis of the improved system.