计算机科学

计算机科学 ›› 2022, Vol. 49 ›› Issue (6A): 490-495.doi: 10.11896/jsjkx.210500063

• 信息安全 • 上一篇    下一篇

基于Fabric的电子病历跨链可信共享系统设计与实现

袁昊男1, 王瑞锦1,2, 郑博文1, 吴邦彦1   

  1. 1 电子科技大学信息与软件工程学院 成都 610054
    2 网络与数据安全四川省重点实验室 成都 610054
  • 出版日期:2022-06-10 发布日期:2022-06-08
  • 通讯作者: 王瑞锦(ruijinwang@uestc.edu.cn)
  • 作者简介:(yuanhn627@qq.com)
  • 基金资助:
    国家自然科学基金(61802033,61472064,61602096);四川省区域创新合作项目(2020YFQ0018);四川省科技计划重点研发项目(2021YFG0027,2020YFG0475,2018GZ0087,2019YJ0543);中国博士后科学基金项目(2018M643453);广东省国家重点实验室项目(2017B030314131);网络与数据安全四川省重点实验室开放课题(NDSMS201606)

Design and Implementation of Cross-chain Trusted EMR Sharing System Based on Fabric

YUAN Hao-nan1, WANG Rui-jin1,2, ZHENG Bo-wen1, WU Bang-yan1   

  1. 1 School of Information and Software Engineering,University of Electronic Science and Technology of China,Chengdu 610054,China
    2 Network and Data Security Key Laboratory of Sichuan Province,Chengdu 610054,China
  • Online:2022-06-10 Published:2022-06-08
  • About author:YUAN Hao-nan,born in 2000,undergraduate,is a member of China Computer Federation.His main research interests include blockchain,information security and software engineering.
    WANG Rui-jin,born in 1980,Ph.D,associate professor,master supervisor,is a member of China Computer Federation.His main research interests include information security,privacy protection and blockchain.
  • Supported by:
    National Natural Science Foundation of China(61802033,61472064,61602096),Sichuan Regional Innovation Cooperation Project(2020YFQ0018),Sichuan Science and Technology Program(2021YFG0027,2020YFG0475,2018GZ0087,2019YJ0543),Chinese Postdoctoral Science Foundation(2018M643453),Guangdong Provincial Key Laboratory Project(2017B030314131) and Network and Data Security Key Laboratory of Sichuan Province Open Issue(NDSMS201606).

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摘要： 电子病历是患者敏感且重要的隐私数据资产,它的可信共享对医疗信息化发展具有重大意义。针对患者病历数据存储不安全、跨域可信共享难、访问周期长等问题,文中整合区块链与边缘计算,设计并实现了基于Fabric联盟链的电子病历跨链可信共享系统。系统主要分为患者移动应用、医院Web应用及RFID电子标签手环,主要包括病历加密与认证、跨链可信共享、远程授权等功能。此外,文中设计了基于生物特征密钥与国密算法的加密与认证机制,以患者为主体控制隐私数据流向,实现个性化隐私保护;在Hyperledger Fabric联盟链框架上应用一种主链基于改进的PBFT共识算法、从链基于PoVT共识算法的主从多链分层跨链模型,实现可靠访问与控制。通过实验与对比分析,证明了本系统在数据安全性与性能上有较大优势。

关键词: 边缘计算, 电子病历, 可信共享, 联盟链, 生物特征密钥

Abstract: Electronic medical record(EMR) is a sensitive and important privacy data asset of patients.Its trusted sharing is significant to the development of medical informalization.Aiming at the problems of unsafe data storage,difficult cross-domain trusted sharing and long access period of EMRs,this paper integrates blockchain and edge computing,designs and implements a cross-chain trusted EMR sharing system based on Fabric alliance chain frame.The system is mainly divided into patient mobile application,hospital Web application and RFID tag bracelet,including medical record encryption and authentication,cross-chain trusted sharing,remote authorization and other functions.In addition,this paper designs encryption and authentication mechanism based on biometric key and national commercial cipher algorithm series,to control the flow of privacy data with patients as the main bodyand realize personalized privacy protection.It applies a master-slave multi-chain hierarchical cross-chain model on the Hyperledger Fabric to achieve reliable access and control.Experiments and comparative analysis show that the system has great advantages in data security and performance.

Key words: Alliance chain, Biometric key, Edge computing, Electronic medical record, Trusted sharing

中图分类号: 

  • TP311
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