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In this paper, we analyse information leakage in Ryan's Prêtà Voter with Paillier encryption scheme (PAV-Paillier). Our analysis shows that although PAV-Paillier seems to achieve a high level of voter privacy at first glance, it might still leak voter's choice information in some circumstances. Some threats are trivial and have appeared in the literature,(More)
This paper describes the design of a supervised verifiable voting protocol suitable for use for elections in the state of Victoria, Australia. We provide a brief overview of the style and nature of the elections held in Victoria and associated challenges. Our protocol, based on Prêt à Voter, presents a new ballot overprinting front-end design, which assists(More)
Proposals for a secure voting technology can involve new mechanisms or procedures designed to provide greater ballot secrecy or verifiability. These mechanisms may be justified on the technical level, but researchers and voting officials must also consider how voters will understand these technical details, and how understanding may affect interaction with(More)
A number of end-to-end verifiable voting schemes have been introduced recently. These schemes aim to allow voters to verify that their votes have contributed in the way they intended to the tally and in addition allow anyone to verify that the tally has been generated correctly. These goals must be achieved while maintaining voter privacy and providing(More)
To obtain high photovoltaic performances for the emerging copper zinc tin sulfide/selenide (CZTSSe) thin film solar cells, much effort has deservedly been placed on CZTSSe phase purification and CZTSSe grain size enhancement. Another highly crucial but less explored factor for device performance is the elemental constitution of CZTSSe surface, which is at(More)
Helios is a web-based end-to-end verifiable electronic voting system which has been said to be suitable for low-coercion environments. Although many Internet voting schemes have been proposed in the literature, Helios stands out for its real world relevance. It has been used in a number of elections in university campuses around the world and it has also(More)