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Secure Access Control of E-Health System with Attribute-Based Encryption

机译：基于属性的加密的电子医疗系统的安全访问控制

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摘要

Cloud computing is a new paradigm, which provides low-cost and effective outsourced data storage service. People are used to storing personal data in cloud server. E-Health system (EHS) privacy should be protected, because it is national security for citizen privacy. Personal Health Record (PHR) is the core of EHS that should be protected. Thus, how to efficiently store, access and share these data is critical. Attribute-based encryption (ABE) is a new public key encryption based on users' attributes. In this paper, we present a new method to realize a secure fine-grained access control to PHRs, which is based on emerging ABE primitives. In more details, PHR owners divide the PHR data in terms of the privacy levels. A key-policy ABE (KP-ABE) is utilized to provide a fine-grained access control storage system for outsourced sensitive data. It can also provide efficient user revocation by using the timestamp in the private key. Security analysis shows that our construction achieves the data confidentiality. That is, any unauthorized user is not allowed to access the data outsourced in the cloud.
机译：云计算是一种新的范例，可提供低成本和有效的外包数据存储服务。人们习惯于将个人数据存储在云服务器中。电子卫生系统（EHS）隐私应受到保护，因为它是公民隐私的国家安全。个人健康记录（PHR）是应受到保护的EHS的核心。因此，如何有效地存储，访问和共享这些数据至关重要。基于属性的加密（ABE）是一种新的基于用户属性的公共密钥加密。在本文中，我们提出了一种基于新兴的ABE原语来实现对PHR的安全细粒度访问控制的新方法。更详细地说，PHR所有者按照隐私级别划分PHR数据。密钥策略ABE（KP-ABE）用于为外包的敏感数据提供细粒度的访问控制存储系统。通过使用私钥中的时间戳，它还可以提供有效的用户吊销。安全分析表明，我们的构造实现了数据的机密性。也就是说，不允许任何未经授权的用户访问云中外包的数据。

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  • 来源
    《Intelligent automation and soft computing》 |2016年第3期|345-352|共8页
  • 作者

    Yan Hongyang; Li Jin; Li Xuan; Zhao Gansen; Lee Sun-Young; Shen Jian;

  • 作者单位

    Guangzhou Univ, Sch Math & Informat Sci, Guangzhou, Guangdong, Peoples R China;

    Guangzhou Univ, Dept Comp Sci, Guangzhou, Guangdong, Peoples R China|Nanjing Univ Informat Sci & Technol, Nanjing, Jiangsu, Peoples R China;

    Fujian Normal Univ, Sch Software, Fuzhou, Peoples R China;

    South China Normal Univ, Sch Comp Sci, Guangzhou, Guangdong, Peoples R China;

    Soonchunhyang Univ, Dept Informat Secur Engn, Asan 336745, Chungcheongnamd, South Korea;

    Nanjing Univ Informat Sci & Technol, Sch Comp & Software, Nanjing, Jiangsu, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cloud computing; attribute-based encryption; cloud storage; PHR; security;

    机译：云计算;基于属性的加密;云存储;PHR;安全性;

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