Verifiable Dynamic Searchable Symmetric Encryption with Forward Privacy in Cloud-Assisted E-Healthcare Systems
Authors: 
Haitang Lu, Jie Chen, Kai ZhangAuthors Info & Claims
Pages 645 - 659
Abstract
The integration of Internet of Things (IoT) and cloud computing is transforming traditional healthcare systems into cloud-assisted e-healthcare systems. In a cloud-assisted e-healthcare system, patients can upload their personal health information (PHI) files to the cloud, from where different healthcare service providers can obtain appropriate information to determine the patients’ health status. However, this paradigm shift has raised many security and privacy concerns: data sharing, data tampering and information leakage. To address the above challenges, in this paper, we propose a verifiable dynamic searchable symmetric encryption (DSSE) scheme with forward privacy for e-healthcare systems, which enables different doctors to access and search PHI files in a secure and efficient manner. Forward privacy is achieved by maintaining state chains on the cloud server, while the verification of searched healthcare data comes from homomorphic MAC (HomMAC) technique. Detailed security analysis and simulations on real-world and simulated datasets demonstrate the practical efficiency of the proposed scheme in real-world e-healthcare applications.
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Information
Published In
Dec 2021
834 pages
ISBN:978-3-030-95383-6
DOI:10.1007/978-3-030-95384-3
© Springer Nature Switzerland AG 2022.
Publisher
Springer-Verlag
Berlin, Heidelberg
Publication History
Published: 03 December 2021
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