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Coercion-resistance as Opacity in Voting Systems

Lookup NU author(s): Thea Peacock, Professor Peter Ryan



Coercion-resistance is one of the key requirements of voting systems as it prevents an outsider from trying to persuade the voter to vote in a certain way. Although it usually implies receipt-freeness [15], it is usually formalised as a stronger property [23]. In this paper we analyse two voting schemes for coercion-resistance, namely Prêt à Voter [12] and FOO [17], and find that many of the requirements can be expressed in terms of a fairly recent security property, opacity [5]. We then present a new formalisation of coercion-resistance by casting it as opacity.

Publication metadata

Author(s): Peacock T, Ryan PYA

Publication type: Report

Publication status: Published

Series Title: School of Computing Science Technical Report Series

Year: 2006

Pages: 19

Print publication date: 01/04/2006

Source Publication Date: April 2006

Report Number: 959

Institution: School of Computing Science, University of Newcastle upon Tyne

Place Published: Newcastle upon Tyne