Efficient and Privacy-Preserving Categorization for Encrypted EMR

Zhiliang Zhao, Shengke Zeng (), Shuai Cheng and Fei Hao
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Zhiliang Zhao: School of Computer and Software Engineering, Xihua University, Chengdu 610039, China
Shengke Zeng: School of Computer and Software Engineering, Xihua University, Chengdu 610039, China
Shuai Cheng: School of Computer and Software Engineering, Xihua University, Chengdu 610039, China
Fei Hao: School of Computer Science, Shaanxi Normal University, Xi’an 710119, China

Mathematics, 2023, vol. 11, issue 3, 1-18

Abstract: Electronic Health Records (EHRs) must be encrypted for patient privacy; however, an encrypted EHR is a challenge for the administrator to categorize. In addition, EHRs are predictable and possible to be guessed, although they are in encryption style. In this work, we propose a secure scheme to support the categorization of encrypted EHRs, according to some keywords. In regard to the predictability of EHRs, we focused on guessing attacks from not only the storage server but also the group administrator. The experiment result shows that our scheme is efficient and practical.

Keywords: electronic health record; public key encryption with equality test; privacy protection; group-based application; guessing attack (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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