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L. Nguen, R. Dafavi-Naini and K. Kurosawa, “Verifiable shuffles: A formal model and a Paillier-based efficient construction with provable security,” PKC 2004, 61-75, 2004.

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Article

An Incoercible E-Voting Scheme Based on Revised Simplified Verifiable Re-encryption Mix-nets

1Graduate School of Engineering, University of Fukui, Japan

2Department of Computer Science and Engineering, Khulna University of Engineering and Technology, Bangladesh


Information Security and Computer Fraud. 2015, Vol. 3 No. 2, 32-38
DOI: 10.12691/iscf-3-2-2
Copyright © 2015 Science and Education Publishing

Cite this paper:
Shinsuke Tamura, Hazim A. Haddad, Nazmul Islam, Kazi Md. Rokibul Alam. An Incoercible E-Voting Scheme Based on Revised Simplified Verifiable Re-encryption Mix-nets. Information Security and Computer Fraud. 2015; 3(2):32-38. doi: 10.12691/iscf-3-2-2.

Correspondence to: Shinsuke  Tamura, Graduate School of Engineering, University of Fukui, Japan. Email: tamura@u-fukui.ac.jp

Abstract

Simplified verifiable re-encryption mix-net (SVRM) is revised and a scheme for e-voting systems is developed based on it. The developed scheme enables e-voting systems to satisfy all essential requirements of elections. Namely, they satisfy requirements about privacy, verifiability, fairness and robustness. It also successfully protects voters from coercers except cases where the coercers force voters to abstain from elections. In detail, voters can conceal correspondences between them and their votes, anyone can verify the accuracy of election results, and interim election results are concealed from any entity. About incoercibility, provided that erasable-state voting booths which disable voters to memorize complete information exchanged between them and election authorities for constructing votes are available, coercer C cannot know candidates that voters coerced by C had chosen even if the candidates are unique to the voters. In addition, elections can be completed without reelections even when votes were handled illegitimately.

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