Efficient homomorphic-encryption-based secure search in multiowner setting for Internet of Things

Publication Type

Journal Article

Publication Date

4-2025

Abstract

Ensuring the security of data outsourced to cloud is a prerequisite for the application of Internet of Things (IoT) in actual production. Secure search based on homomorphic encryption can provide high security and require no expensive setup procedure, which can be applied to resource-limited devices in IoT. However, the existing schemes usually have poor search performance and do not consider multiowner setting. To solve these issues, we propose an efficient homomorphic encryption-based secure search scheme in multiowner setting. Specifically, we construct a secure search protocol based on multikey homomorphic encryption, which can be deployed in multiowner setting. Meanwhile, we improve the efficiency of our scheme by optimizing the search algorithm. Formal security analysis proves that our scheme is secure against chosen plaintext attack, and extensive experiments demonstrate that our scheme improves the search efficiency by 1000× when compared with state-of-the-art solutions.

Keywords

Fully homomorphic encryption (FHE), Internet of Things (IoT), multiowner setting, secure search

Discipline

Information Security

Research Areas

Information Systems and Management

Publication

IEEE Internet of Things Journal

Volume

12

Issue

7

First Page

8885

Last Page

8896

ISSN

2327-4662

Identifier

10.1109/JIOT.2024.3502919

Publisher

Institute of Electrical and Electronics Engineers

Additional URL

https://doi.org/10.1109/JIOT.2024.3502919

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