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Efficient Divisible Voting Scheme

Natsuki ISHIDA, Shin'ichiro MATSUO, Wakaha OGATA

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Summary :

Electronic voting is a prime application of cryptographic tools. Many researches are addressing election or confidence voting in this area. We address a new type of voting scheme "Divisible Voting Scheme," in which each voter has multiple ballots where the number of ballots can be different among the voters. This type of voting is popular. We first define the divisible voting scheme and show naive protocols based on existing voting schemes. Then we propose two efficient divisible voting schemes. The first scheme uses multisets, the second scheme uses L-adic representation of the number of ballots. The total cost for a voter is O(M 2 log (N)) in the first scheme and O(M log (N)) in the second scheme where M is the number of candidates to vote for and N is the number of ballots for a voter.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E88-A No.1 pp.230-238
Publication Date
2005/01/01
Publicized
Online ISSN
DOI
10.1093/ietfec/e88-a.1.230
Type of Manuscript
Special Section PAPER (Special Section on Cryptography and Information Security)
Category
Application

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