Device-independent security of quantum cryptography against collective attacks

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dc.creatorAcin, Antonio
dc.creatorBrunner, Nicolas
dc.creatorGisin, Nicolas
dc.creatorMassar, Serge
dc.creatorPironio, Stefano
dc.creatorScarani, Valerio
dc.date2007-02-15
dc.date2007-06-25
dc.date.accessioned2026-07-07T08:37:27Z
dc.date.available2026-07-07T08:37:27Z
dc.descriptionWe present the optimal collective attack on a Quantum Key Distribution (QKD) protocol in the "device-independent" security scenario, where no assumptions are made about the way the QKD devices work or on what quantum system they operate. Our main result is a tight bound on the Holevo information between one of the authorized parties and the eavesdropper, as a function of the amount of violation of a Bell-type inequality.
dc.description5 pages, 1 figure. v2: minor modifications
dc.identifierhttps://arxiv.org/abs/quant-ph/0702152
dc.identifierhttp://arxiv.org/abs/quant-ph/0702152
dc.identifierPhys. Rev. Lett. 98, 230501 (2007)
dc.identifierdoi:10.1103/PhysRevLett.98.230501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/140406
dc.subjectQuantum Physics
dc.titleDevice-independent security of quantum cryptography against collective attacks
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