Implications of Superstrong Nonlocality for Cryptography

H Buhrman, M Christandl, F Unger, S Wehner

Research output: Contribution to journalArticle (Academic Journal)

Abstract

Non-local boxes are hypothetical ``machines'' that give rise to superstrong non-local correlations, leading to a stronger violation of Bell/CHSH inequalities than is possible within the framework of quantum mechanics. We show how non-local boxes can be used to perform any two-party secure computation. We first construct a protocol for bit commitment and then show how to achieve oblivious transfer using non-local boxes. Both have been shown to be impossible using quantum mechanics alone.
Translated title of the contributionImplications of Superstrong Nonlocality for Cryptography
Original languageEnglish
JournalUnknown
Publication statusPublished - 2006

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