P205 - 5th International Conference on Electronic Voting 2012 (EVOTE2012)

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Konferenzbeitrag
A supervised verifiable voting protocol for the victorian electoral commission
(5th International Conference on Electronic Voting 2012 (EVOTE2012), 2012) Burton, Craig; Culane, Chris; Heather, James; Peacock, Thea; Ryan, Peter Y. A.; Schneider, Steve; Srinivasan, Sriramkrishnan; Teague, Vanessa; Wen, Roland; Xia, Zhe
This paper describes the design of a supervised, verifiable voting protocol suitable for use for elections in the state of Victoria, Australia. We provide a brief overview of the style and nature of the elections held in Victoria and associated challenges. Our protocol, based on Prêt à Voter, presents a new ballot overprinting front-end design, which assists the voter in completing the potentially complex ballot. We also present and analyze a series of modifications to the backend that will enable it to handle the large number of candidates, 35 +, with ranking single transferable vote (STV), which some Victorian elections require. We conclude with a threat analysis of the scheme and a discussion on the impact of the modifications on the integrity and privacy assumptions of Prêt à Voter.