Two Practical Attribute-Based Encryption Schemes for Privacy-Preserving Mobile Location-Sharing Applications

被引:0
|
作者
Chen, Zhenhua [1 ,2 ]
Li, Ni [3 ]
Huang, Luqi [4 ]
Jia, Xingxing [5 ]
Wang, Yilei [6 ]
Wang, Hao [7 ]
Su, Jing [1 ]
机构
[1] Xian Univ Sci & Technol, Sch Comp Sci & Technol, Xian 710054, Peoples R China
[2] Guilin Univ Elect Technol, Guangxi Key Lab Cryptog & Informat Secur, Guilin 541004, Peoples R China
[3] Jinan Univ, Coll Cyber Secur, Guangzhou 510632, Peoples R China
[4] Univ Wollongong, Sch Comp & Informat Technol, Wollongong, NSW 2522, Australia
[5] Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China
[6] Qufu Normal Univ, Sch Comp Sci, Rizhao 276827, Peoples R China
[7] Shandong Normal Univ, Sch Informat Sci & Engn, Jinan 250061, Peoples R China
来源
IEEE INTERNET OF THINGS JOURNAL | 2025年 / 12卷 / 05期
基金
中国国家自然科学基金;
关键词
Servers; Privacy; Mobile applications; Security; Public key; Encryption; Computer science; Nickel; Internet of Things; Costs; Attribute-based encryption; location sharing; mobile applications; privacy-preserving;
D O I
10.1109/JIOT.2024.3486175
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Location sharing, as an essential component of mobile applications, helps mobile users share location information and enhance their community connections. However, users may be reluctant to share their locations with personal privacy concerns, as anyone including location server who knows these locations can infer much sensitive information about users through analyzing these locations' information plus their background knowledge. Therefore, it poses a natural question for mobile location-sharing applications how to share users' locations without any breach of their privacy. To answer this question, in this article, we describe two practical attribute-based encryption schemes served privacy-preserving mobile location-sharing applications. Our proposals are quite suitable for such a mobile application-location sharing with common interests since in our designs users' interests are also taken into consideration as well as location information. In particular, our two schemes have a higher performance in the sense that in our first construction both ciphertexts and private keys are of constant size simultaneously, and our second construction is an extension of the first that provides a tradeoff between ciphertext size and public-key size. Therefore, the two schemes we designed in this work are quite practical in mobile applications which are often equipped with limited transmission or storage resources. Finally, we offer a formal security proof under a well-defined security model, followed by an experimental evaluation and a theoretical performance comparison.
引用
收藏
页码:5148 / 5159
页数:12
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