Bare - Handed Electronic Voting with Pre - processing Submitted as a partial fulfillment of the requirements towards
نویسنده
چکیده
Many electronic voting protocols assume the voter votes with some computing device. This raises the question whether a voter can trust the device he is using. Three years ago, Chaum, and independently Neff, proposed what we call bare-handed electronic voting, where voters do not need any computational power in the voting booth. Their protocols have a strong unforgeability guarantee. The price for that, however, is that they require the voter to tell his vote to the voting booth. In this work we propose a protocol where the voter votes bare-handedly, and still maintains his privacy even with respect to the voting booth. We do this by allowing the voter the use of a computer device but only at a pre-processing stage the voting itself is done bare-handedly. This has many advantages. A voter who has to verify calculations at the booth has to trust the software he is using, while a voter who verifies pre-processed calculations can do that at his own time, getting help from whatever parties he trusts. Achieving private, coercion-resistant, bare-handed voting with pre-processing is a non-trivial task and we achieve that only for elections with a bounded number of candidates. Our solution works by proposing an extension to known voting protocols. We show that such extended protocols enjoy the same unforgeability guarantee as that of Chaum and Neff. In addition, our extended protocol is private, and the voter does not reveal his vote to the booth.
منابع مشابه
Bare-Handed Electronic Voting with Pre-processing
Many electronic voting systems assume the user votes with some computing device. This raises the question whether a voter can trust the device he is using. Two years ago, Chaum, and independently Neff, proposed what we call bare-handed electronic voting, where voters do not need any computational power. Their scheme has a very strong unforgeability guarantee. The price for that, however, is tha...
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