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Title: Anonymity vs. traceability : revocable anonymity in remote electronic voting protocols
Author: Smart, Matthew James
ISNI:       0000 0004 2719 5899
Awarding Body: University of Birmingham
Current Institution: University of Birmingham
Date of Award: 2012
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Remote electronic voting has long been considered a panacea for many of the problems with existing, paper-based election mechanisms: assurance that one’s vote has been counted as cast; ability to vote without fear of coercion; fast and reliable tallying; improvement in voter turnout. Despite these promised improvements, take-up of remote electronic voting schemes has been very poor, particularly when considering country-wide general elections. In this thesis, we explore a new class of remote electronic voting protocols: specfically, those which fit with the United Kingdom’s requirement that it should be possible to link a ballot to a voter in the case of personation. We address the issue of revocable anonymity in electronic voting. Our contributions are threefold. We begin with the introduction of a new remote electronic voting protocol, providing revocable anonymity for any voter with access to an Internet-connected computer of their choice. We provide a formal analysis for the security properties of this protocol. Next, we are among the first to consider client-side security in remote electronic voting, providing a protocol which uses trusted computing to assure the voter and authorities of the state of the voter’s machine. Finally, we address revocable anonymity more generally: should a user have the right to know when their anonymity has been revoked? We provide a protocol which uses trusted computing to achieve this. Ultimately, the work in this thesis can be seen as a sound starting point for the deployment of remote electronic voting in the United Kingdom.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: JN101 Great Britain ; QA75 Electronic computers. Computer science ; QA76 Computer software ; T Technology (General)