Secure source coding with a public helper

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, 2) triangular source coding with a helper where th...

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Vydané v:IEEE transactions on information theory Ročník 2013; s. 2209 - 2213
Hlavní autori: Kittichokechai, Kittipong, Yeow-Khiang Chia, Oechtering, Tobias J., Skoglund, Mikael, Weissman, Tsachy
Médium: Konferenčný príspevok.. Journal Article
Jazyk:English
Vydavateľské údaje: United States IEEE 01.01.2013
Predmet:
Decoding
Distortion measurement
Indexes
Loss measurement
Markov processes
Source coding
ISSN:2157-8095, 0018-9448
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Shrnutí: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, 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 between transmission rate, incurred distortion, and information leakage rate at the helper/eavesdropper in the form of a rate-distortion-leakage region for various classes of problems.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:2157-8095
0018-9448
DOI:10.1109/ISIT.2013.6620618