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Medical Data Management on Blockchain with Privacy.

Medical data are important in diagnosis, treatment, recovery, and medical accident investigation. The integrity and availability of medical data are the basic guarantee for the smooth operation of these activities. The privacy of medical data is a natural demand from the sensitivity of medical data....

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Published in:Journal of Medical Systems Vol. 43; no. 2; pp. 1 - 2
Main Authors: Tian, Haibo, He, Jiejie, Ding, Yong
Format: equations & formulas tables/charts Journal Article
Published: Springer Nature Feb2019
Online Access:View this record in EBSCOhost
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      dt: Feb2019
      vid: 43
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      pub: Springer Nature
      place: New York, New York
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        10.1007/s10916-018-1144-x
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      tig:
        atl: Medical Data Management on Blockchain with Privacy.
      aug:
        au:
          Tian, Haibo
          He, Jiejie
          Ding, Yong
        affil: Guangdong Key Laboratory of Information Security, School of Data and Computer Science, Sun Yat-Sen University, 510275, Guangzhou, Guangdong, People's Republic of China
      sug:
        subj:
          Data Security Methods
          Privacy and Confidentiality
          Access to Information
          Models, Theoretical
          Physicians
          Pharmacists
          Insurance, Health
          Attorneys
          Simulations
          Program Evaluation
          Billing and Claims
          Cost Benefit Analysis
      ab: Medical data are important in diagnosis, treatment, recovery, and medical accident investigation. The integrity and availability of medical data are the basic guarantee for the smooth operation of these activities. The privacy of medical data is a natural demand from the sensitivity of medical data. At present, there are mainly two ways to protect the privacy of medical data. One way is to store medical data in a local database and set up an access control strategy of the database. The other way is to encrypt medical data with the patient's key and to share the key when needed. The problem with the first method is that the data in the local database may be modified or deleted. The problem with the second method is that the key cannot be shared when the patient dies during the diagnosis and treatment. These two problems will damage the availability of data. This paper proposes to establish a shared key that could be reconstructed by the legitimate parties before the process of diagnosis and treatment begins. The data in the diagnosis and treatment process is encrypted and stored in a blockchain using the shared key. The proposal meets the integrity, availability and privacy requirements of medical data. It uses the sibling intractable function families (SIFF) to establish a shared key, and uses the Hyperledger Fabric to store encrypted data. The simulation shows that the system has good efficiency. Additionally, it is the first time to introduce SIFF to a blockchain application.
      pubtype: Academic Journal
      doctype:
        equations & formulas
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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