区块链启用了基于政策的访问控制机制,以限制未经授权的访问电子健康记录
Nadeem Yaqub1, Jianbiao Zhang1, Muhammad Irfan Khalid2
1Department of Computer Science and Technology, Beijing University of Technology, Beijing, China.
PeerJ. Computer science
|February 3, 2025
概括
本研究介绍了一个基于区块链的基于政策的访问控制 (PBAC) 系统,用于安全共享电子健康记录 (EHR). 它通过动态的政策执行和透明的访问日志加强了患者数据隐私和控制.
科学领域:
- 医疗信息学 医疗信息学
- 网络安全 网络安全
- 区块链技术 区块链技术
背景情况:
- 电子健康记录 (EHR) 包含敏感的患者信息,需要严格的安全措施.
- 现有的访问控制方法在安全的医疗数据交换和患者隐私方面面临挑战.
- 医疗保健中心的信息隔离阻碍了有效的数据共享和可访问性.
研究的目的:
- 提出一个高效和安全的电子健康记录访问控制系统.
- 加强医疗保健数据交换平台的患者数据隐私和控制.
- 确保遵守诸如通用数据保护条例 (GDPR) 等法规.
主要方法:
- 实施与区块链技术集成的基于政策的访问控制 (PBAC) 系统.
- 利用智能合约来动态执行访问控制策略和管理权限.
- 通过政策来定义和规范医疗保健实体 (主体,控制者,请求者) 的访问权.
主要成果:
- 实验对象可以实时了解谁正在访问他们的健康数据.
- 该系统使受试者,控制者和请求者能够授予,撤销和审计访问.
- 智能合约确保只有授权用户才能访问敏感数据,增强安全性.
结论:
- 拟议的区块链支持的PBAC系统为安全的EHR访问控制提供了强大的解决方案.
- 这种方法为各种医疗数据保护场景提供了更大的适应性.
- 它有效地保护了患者的权利,同时促进了同时共享敏感数据.
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