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A New Receipt-Free E-Voting Scheme Based on Blind Signature

Xia, Z and Schneider, S A New Receipt-Free E-Voting Scheme Based on Blind Signature In: WOTE: Workshop on Trustworthy Elections, 2006-06-29 - 2006-06-30, Cambridge, UK.

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Electronic voting has attracted much interest recently and a variety of schemes have been proposed. Generally speaking, all these schemes can be divided into three main approaches: based on blind signature, based on mix networks and based on homomorphic encryption. Schemes based on blind signature are thought to be simple, efficient, and suitable for large scale elections. Fujioka, Okamoto and Ohta introduced a scheme typical of this approach in 1992. This scheme achieved a number of attractive properties, however, it did not provide receipt-freeness and public verifiability. Later, Okamoto extended this work to provide receiptfreeness and public verifiability, but the later work lost a useful property of the original scheme: each voter can only verify the ballot recording process but not the ballot counting process any more. In this paper, we propose a simple and efficient method, applying the secret ballot technique introduced by the Prˆet ´a Voter scheme to improve individual verifiability to the later work. To the best of our knowledge, our scheme is the only receipt-free scheme in which voters can verify both the ballot recording process and the ballot counting process, and our scheme provides some mechanisms for honest voters to accuse dishonest authorities during the election process.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Computing Science
Authors :
Xia, Z
Schneider, S
Depositing User : Symplectic Elements
Date Deposited : 29 Sep 2011 10:55
Last Modified : 31 Oct 2017 14:09

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