A Blockchain-Based Medical Data Sharing and Protection Scheme

被引:110
|
作者
Liu, Xiaoguang [1 ,2 ,3 ]
Wang, Ziqing [3 ]
Jin, Chunhua [4 ]
Li, Fagen [3 ]
Li, Gaoping [1 ,2 ]
机构
[1] Southwest Minzu Univ, State Ethn Affairs Commiss, Key Lab Comp Syst, Chengdu 610041, Sichuan, Peoples R China
[2] Southwest Minzu Univ, Sch Comp Sci & Technol, Chengdu 610041, Sichuan, Peoples R China
[3] Univ Elect Sci & Technol China, Sch Comp Sci & Engn, Ctr Cyber Secur, Chengdu 611731, Sichuan, Peoples R China
[4] Huaiyin Inst Technol, Lab Internet Things & Mobile Internet Technol Jia, Huaian 223003, Peoples R China
来源
IEEE ACCESS | 2019年 / 7卷
基金
中国国家自然科学基金;
关键词
Blockchain; electronic health record; medical data; sharing and protection; symptoms-matching; HEALTH; AUTHENTICATION;
D O I
10.1109/ACCESS.2019.2937685
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Electronic health record (EHR) has recorded the process of occurrence, development, and treatment of diseases. So it has high medical value. Owing to the private and sensitive nature of medical data for patients, the data sharing and privacy preservation are critical issues in EHR. Blockchain technology may be a promising solution for the problems above since it holds the features of decentralization and tamper resistance. In the paper, we propose a medical data sharing and protection scheme based on the hospital's private blockchain to improve the electronic health system of the hospital. Firstly, the scheme can satisfy various security properties such as decentralization, openness, and tamper resistance. A reliable mechanism is created for the doctors to store medical data or access the historical data of patients while meeting privacy preservation. Furthermore, a symptoms-matching mechanism is given between patients. It allows patients who get the same symptoms to conduct mutual authentication and create a session key for their future communication about the illness. The proposed scheme is implemented by using PBC and OpenSSL libraries. Finally, the security and performance evaluation of the proposed scheme is given.
引用
收藏
页码:118943 / 118953
页数:11
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