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Published in:
2006 | OriginalPaper | Chapter
Polling with Physical Envelopes: A Rigorous Analysis of a Human-Centric Protocol
Authors : Tal Moran, Moni Naor
Published in: Advances in Cryptology - EUROCRYPT 2006
Publisher: Springer Berlin Heidelberg
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We propose simple, realistic protocols for polling that allow the responder to plausibly repudiate his response, while at the same time allow accurate statistical analysis of poll results. The protocols use simple physical objects (envelopes or scratch-off cards) and can be performed without the aid of computers. One of the main innovations of this work is the use of techniques from theoretical cryptography to rigorously prove the security of a realistic, physical protocol. We show that, given a few properties of physical envelopes, the protocols are unconditionally secure in the universal composability framework.