Implications of Superstrong Nonlocality for Cryptography

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dc.creatorBuhrman, Harry
dc.creatorChristandl, Matthias
dc.creatorUnger, Falk
dc.creatorWehner, Stephanie
dc.creatorWinter, Andreas
dc.date2005-04-18
dc.date2006-06-29
dc.date.accessioned2026-07-07T06:40:56Z
dc.date.available2026-07-07T06:40:56Z
dc.descriptionNon-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.
dc.description15 pages. v3: minor corrections, published version
dc.identifierhttps://arxiv.org/abs/quant-ph/0504133
dc.identifierhttp://arxiv.org/abs/quant-ph/0504133
dc.identifierProceedings of the Royal Society A, 462(2071), pages 1919-1932
dc.identifierdoi:10.1098/rspa.2006.1663
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101534
dc.subjectQuantum Physics
dc.titleImplications of Superstrong Nonlocality for Cryptography
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