Reference : Prêt à Voter providing everlasting privacy

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a journal
	Discipline(s) :	Engineering, computing & technology : Computer science
	To cite this reference:	http://hdl.handle.net/10993/25426

Title :	Prêt à Voter providing everlasting privacy
Language :	English
Author, co-author :	Ryan, Peter [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) >]
	Demirel, Denise [> >]
	Henning, Maria [> >]
	van de Graaf, Jeroen [> >]
	Buchmann, Johannes [> >]
Publication date :	2013
Journal title :	Lecture Notes in Computer Science
Pages :	165-220
Peer reviewed :	Yes
Audience :	International
Event name :	4th International Conference on E-Voting and Identity, Vote-ID 2013
Event date :	17 July 2013 through 19 July 2013
Keywords :	[en] cryptographic voting schemes ; design and evaluation of e-Voting systems ; everlasting privacy ; legal issues ; Prêt à Voter
Abstract :	[en] This paper shows how Prêt à Voter can be adjusted in order to provide everlasting privacy. This is achieved by adapting the ballot generation and anonymisation process, such that only unconditional hiding commitments and zero knowledge proofs are published for verification, thus ensuring privacy towards the public. This paper presents a security analysis carried out in a collaboration between computer scientists and legal researchers. On the technical side it is shown that the modified Prêt à Voter provides verifiability, robustness, and everlasting privacy towards the public. Everlasting privacy towards the authorities can be achieved by implementing several organisational measures. A legal evaluation of these measures demonstrates that the level of privacy achieved would be acceptable under German law.
Permalink :	http://hdl.handle.net/10993/25426

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