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Technology of Blockchain
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App. Res. of Comp. Printed Article
Vol. 38, 2021 No. 1
33-38

Privacy protection and sharing of EHR based on consortium blockchain

Wu Guangfu
Yu Pan
Chen Ying
Li Jianghua
School of Information Engineering, Jiangxi University of Science & Technology, Ganzhou Jiangxi 341000, China
DOI: 10.19734/j.issn.1001-3695.2019.09.0584

Abstract

Hospitals are gradually adopting EHR methods to record patients' medical information. However, the privacy of medical data and the differentiation of EHR standards hinder the sharing of medical data between patients and hospitals. Therefore, for the problem of leakage of private information and difficulty in sharing, this paper proposed a privacy protection data-sharing model based on the consortium blockchain. In addition, based on the anonymous algorithm, it proposed the(p, α, k) anonymous privacy algorithm, which could solve the problem of HER private information leakage. Through theoretical analysis and experimental results, the proposed consortium-based chain and(p, α, k) privacy anonymity algorithm model can realize data security sharing between patients and hospitals under the premise of protecting data privacy. Compared with the previous models, the proposed model has the advantages of fewer nodes, less main chain pressure, better fault tolerance and complete control of the patient's HER.

Foundation Support

国家自然科学基金资助项目(11461031)
江西省教育厅科技类重点项目(GJJ170492)
江西省自然科学基金资助项目(20181BBE58018)
江西省教育厅科技类一般项目(GJJ170516,GJJ180442)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.09.0584
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 1
Section: Technology of Blockchain
Pages: 33-38
Serial Number: 1001-3695(2021)01-006-0033-06

Publish History

[2021-01-05] Printed Article

Cite This Article

巫光福, 余攀, 陈颖, 等. 基于联盟链的电子健康记录隐私保护和共享 [J]. 计算机应用研究, 2021, 38 (1): 33-38. (Wu Guangfu, Yu Pan, Chen Ying, et al. Privacy protection and sharing of EHR based on consortium blockchain [J]. Application Research of Computers, 2021, 38 (1): 33-38. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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