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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Secure Multiparty Computations Using the 15 Puzzle
(Extended Abstract)
verfasst von : Takaaki Mizuki, Yoshinori Kugimoto, Hideaki Sone
Erschienen in: Combinatorial Optimization and Applications
Verlag: Springer Berlin Heidelberg
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This paper first considers the use of the “15 puzzle,” which is one of the most famous sliding-block puzzles, to provide secure multiparty computations. That is, we design a class of 15-puzzle-based protocols for securely computing Boolean functions. Specifically, we show that any function of 4 variables (or less) and any symmetric function of 14 variables (or less) can be securely computed by a 15-puzzle-based protocol; furthermore, we present a 5-variable function and a 15-variable symmetric function, both of which cannot be securely computed by any protocol in the class.