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Secure Source Coding With a Public Helper
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-8164-6676
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-0036-9049
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
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2016 (English)In: IEEE Transactions on Information Theory, ISSN 0018-9448, E-ISSN 1557-9654, Vol. 62, no 7, 3930-3949 p.Article in journal (Refereed) Published
Abstract [en]

We consider secure multi-terminal source coding problems in the presence of a public helper. Two main scenarios are studied: 1) source coding with a helper where the coded side information from the helper is eavesdropped by an external eavesdropper and 2) triangular source coding with a helper where the helper is considered as a public terminal. We are interested in how the helper can support the source transmission subject to a constraint on the amount of information leaked due to its public nature. We characterize the tradeoff among transmission rate, incurred distortion, and information leakage rate at the helper/eavesdropper in the form of the rate-distortion-leakage region for various classes of problems.

Place, publisher, year, edition, pages
IEEE Press, 2016. Vol. 62, no 7, 3930-3949 p.
Keyword [en]
eavesdropper, helper, lossy source coding, privacy, rate-distortion-leakage tradeoff, secrecy, side information, Wyner-Ziv coding
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-193839DOI: 10.1109/TIT.2016.2570011ISI: 000382135600009Scopus ID: 2-s2.0-84976529854OAI: oai:DiVA.org:kth-193839DiVA: diva2:1034526
Note

QC 20161012

Available from: 2016-10-12 Created: 2016-10-11 Last updated: 2017-11-29Bibliographically approved

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Kittichokechai, KittipongOechtering, Tobias J.Skoglund, Mikael
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Communication TheoryACCESS Linnaeus Centre
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