A directional wave measurement attack against the Kish key distribution system

The Kish key distribution system has been proposed as a classical alternative to quantum key distribution. The idealized Kish scheme elegantly promises secure key distribution by exploiting thermal noise in a transmission line. However, we demonstrate that it is vulnerable to nonidealities in its co...

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Autores principales: Gunn, Lachlan J., Allison, Andrew, Abbott, Derek
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2014
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4173037/
https://www.ncbi.nlm.nih.gov/pubmed/25248868
http://dx.doi.org/10.1038/srep06461
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author Gunn, Lachlan J.
Allison, Andrew
Abbott, Derek
author_facet Gunn, Lachlan J.
Allison, Andrew
Abbott, Derek
author_sort Gunn, Lachlan J.
collection PubMed
description The Kish key distribution system has been proposed as a classical alternative to quantum key distribution. The idealized Kish scheme elegantly promises secure key distribution by exploiting thermal noise in a transmission line. However, we demonstrate that it is vulnerable to nonidealities in its components, such as the finite resistance of the transmission line connecting its endpoints. We introduce a novel attack against this nonideality using directional wave measurements, and experimentally demonstrate its efficacy.
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spelling pubmed-41730372014-10-02 A directional wave measurement attack against the Kish key distribution system Gunn, Lachlan J. Allison, Andrew Abbott, Derek Sci Rep Article The Kish key distribution system has been proposed as a classical alternative to quantum key distribution. The idealized Kish scheme elegantly promises secure key distribution by exploiting thermal noise in a transmission line. However, we demonstrate that it is vulnerable to nonidealities in its components, such as the finite resistance of the transmission line connecting its endpoints. We introduce a novel attack against this nonideality using directional wave measurements, and experimentally demonstrate its efficacy. Nature Publishing Group 2014-09-24 /pmc/articles/PMC4173037/ /pubmed/25248868 http://dx.doi.org/10.1038/srep06461 Text en Copyright © 2014, Macmillan Publishers Limited. All rights reserved http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Gunn, Lachlan J.
Allison, Andrew
Abbott, Derek
A directional wave measurement attack against the Kish key distribution system
title A directional wave measurement attack against the Kish key distribution system
title_full A directional wave measurement attack against the Kish key distribution system
title_fullStr A directional wave measurement attack against the Kish key distribution system
title_full_unstemmed A directional wave measurement attack against the Kish key distribution system
title_short A directional wave measurement attack against the Kish key distribution system
title_sort directional wave measurement attack against the kish key distribution system
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4173037/
https://www.ncbi.nlm.nih.gov/pubmed/25248868
http://dx.doi.org/10.1038/srep06461
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