Approach to designing bribery-free and coercion-free electronic voting scheme
Journal of Systems and Software
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Voter anonymity, also known as unlinkability, is the primary requirement to satisfy privacy in e-voting protocols. Up until now, e-voting protocols have tried to make communication channels anonymous in order to keep voter's identity hidden and many protocols have been proposed to construct anonymous communication channels. On the other hand, instead of making channel anonymous if we provide anonymous credentials to voter, we can easily hide voter's identity without any need of anonymous channels. This paper introduces Pseudo-Voter Identity (PVID) scheme based on blind signature in order to achieve anonymity in e-voting protocols. Blind signature is applied on pseudo identities selected by voter. Therefore voter obtains blindly signed pseudo identities namely PVIDs and uses them throughout the entire communication with the authorities. By using PVID scheme, e-voting protocols do not need anonymous channels anymore. This work aims at bringing unlinkable pseudo-voter identities based on blind signature bear on anonymous e-voting protocols.