Secure communication with a publicly known key

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dc.creatorBeige, Almut
dc.creatorEnglert, Berthold-Georg
dc.creatorKurtsiefer, Christian
dc.creatorWeinfurter, Harald
dc.date2001-11-20
dc.date2002-05-09
dc.date.accessioned2026-07-07T06:03:04Z
dc.date.available2026-07-07T06:03:04Z
dc.descriptionWe present a scheme for direct and confidential communication between Alice and Bob, where there is no need for establishing a shared secret key first, and where the key used by Alice even will become known publicly. The communication is based on the exchange of single photons and each and every photon transmits one bit of Alice's message without revealing any information to a potential eavesdropper.
dc.description14 pages including 2 figures, erratum added
dc.identifierhttps://arxiv.org/abs/quant-ph/0111106
dc.identifierhttp://arxiv.org/abs/quant-ph/0111106
dc.identifierActa Phys. Pol. A 101, 357 (2002)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/89849
dc.subjectQuantum Physics
dc.titleSecure communication with a publicly known key
dc.typetext

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