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Computer Science > Information Theory

arXiv:2109.01613 (cs)
[Submitted on 3 Sep 2021 (v1), last revised 24 Jan 2022 (this version, v3)]

Title:Secure Source Coding with Side-information at Decoder and Shared Key at Encoder and Decoder

Authors:Hamid Ghourchian, Photios A. Stavrou, Tobias J. Oechtering, Mikael Skoglund
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Abstract:We study the problem of rate-distortion-equivocation with side-information only available at the decoder when an independent private random key is shared between the sender and the receiver. The sender compresses the sequence, and the receiver reconstructs it such that the average distortion between the source and the output is limited. The equivocation is measured at an eavesdropper that intercepts the source encoded message, utilizing side-information correlated with the source and the side-information at the decoder. We have derived the entire achievable rate-distortion-equivocation region for this problem.
Comments: Long version of the accepted paper in the Information Theory Workshop (ITW 2021). 23 pages, 4 figures
Subjects: Information Theory (cs.IT)
Cite as: arXiv:2109.01613 [cs.IT]
  (or arXiv:2109.01613v3 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.2109.01613
Related DOI: https://doi.org/10.1109/ITW48936.2021.9611508

Submission history

From: Hamid Ghourchian [view email]
[v1] Fri, 3 Sep 2021 16:43:08 UTC (1,434 KB)
[v2] Wed, 10 Nov 2021 00:18:19 UTC (1,435 KB)
[v3] Mon, 24 Jan 2022 00:17:24 UTC (1,435 KB)
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Hamid Ghourchian
Photios A. Stavrou
Tobias J. Oechtering
Mikael Skoglund
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