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New private information retrieval codes for imperfect privacy SCIE SCOPUS KCI

Title
New private information retrieval codes for imperfect privacy
Authors
Tak, Jun-WooKim, Sang-HyoKim, YongjuneNo, Jong-Seon
Date Issued
2024-08
Publisher
한국통신학회
Abstract
In this paper, we introduce new codes for the private information retrieval (PIR). The conventional Tian-Sun-Chen (TSC) scheme achieves PIR capacity under the perfect privacy conditions with the minimum message length. Based on the TSC scheme, weakly PIR (WPIR) schemes have been developed to benefit download costs by relaxing privacy. We show that the proposed scheme has lower download cost than the TSC scheme in the weak privacy setting. While our scheme is not capacity-achieving under perfect privacy, it has smaller message sizes compared with the TSC scheme. © 2024 The Authors
URI
https://oasis.postech.ac.kr/handle/2014.oak/123600
DOI
10.1016/j.icte.2024.05.003
ISSN
2405-9595
Article Type
Article
Citation
ICT Express, vol. 10, no. 4, page. 891 - 894, 2024-08
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김용준KIM, YONGJUNE
Dept of Electrical Enginrg
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