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A New Secret Key Agreement Scheme in a Four-Terminal Network
Sharif University of Technology, Tehran, Iran.
2011 (English)In: 12th Canadian Workshop on Information Theory, CWIT 2011, IEEE , 2011, 151-154 p.Conference paper, Published paper (Refereed)
Abstract [en]

A new scenario for simultaneously generating a secret key and two private keys among three Terminals in the presence of an external eavesdropper is considered. Terminals 1, 2 and 3 intend to share a common secret key concealed from the external eavesdropper (Terminal 4) and simultaneously, each of Terminals 1 and 2 intends to share a private key with Terminal 3 while keeping it concealed from each other and from Terminal 4. All four Terminals observe i.i.d. outputs of correlated sources and there is a public channel from Terminal 3 to Terminals 1 and 2. An inner bound of the secret key-private keys capacity region is derived and the single letter capacity regions are obtained for some special cases.

Place, publisher, year, edition, pages
IEEE , 2011. 151-154 p.
Keyword [en]
information-theoretic security, secret key-private keys capacity region, source model secret key sharing
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-96685DOI: 10.1109/CWIT.2011.5872145Scopus ID: 2-s2.0-79959878439ISBN: 978-145770743-8 (print)OAI: oai:DiVA.org:kth-96685DiVA: diva2:532021
Conference
12th Canadian Workshop on Information Theory, CWIT 2011; Kelowna,BC; 17 May 2011 through 20 May 2011
Note
QC 20120620Available from: 2012-06-08 Created: 2012-06-08 Last updated: 2012-06-20Bibliographically approved

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Salimi, Somayeh
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CiteExportLink to record
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