基于云计算的医疗保健区块链中完全同态加密的性能和安全分析
1Department of Management Information Systems, College of Business Administration, Taibah University, Al-Madinah Al-Munawwarah, Kingdom of Saudi Arabia.
Health informatics journal
|November 10, 2025
概括
这项研究展示了一种基于云的安全区块链框架,用于使用完全同型加密 (FHE),扩展安全可搜索加密 (ESSE) 和基于属性签名 (ABS) 管理加密的医疗记录. 综合系统提供加密计算,私人搜索和医疗信息学准确的访问控制.
科学领域:
- 医疗信息学 医疗信息学
- 区块链技术 区块链技术
- 密码学 密码学 密码学
背景情况:
- 在云中安全地管理个人健康记录 (PHR) 是一个挑战.
- 现有的解决方案往往缺乏对加密数据的强大隐私保护功能.
- 集成先进的加密技术可以提高医疗保健数据的安全性.
研究的目的:
- 评估一个新的基于云的医疗保健区块链框架.
- 整合完全同型加密 (FHE),扩展安全可搜索加密 (ESSE) 和基于属性的签名 (ABS).
- 为了管理加密的个人健康记录 (PHRs) 以增强的安全性和隐私.
主要方法:
- 创建了一个由1000个匿名健康记录组成的合成数据集.
- 在MATLAB云环境中实现和模拟了FHE,ESSE和ABS模块.
- 系统性能根据加密延迟,查询吞吐量和访问控制准确度进行了评估.
主要成果:
- FHE模块:加密2.5秒,每1KB计算4.8秒.
- ESSE模块:每秒20个加密查询,成功率为85%.
- ABS模块:在去中心化访问中97%的准确性.
- 综合系统实现了94%的运营效率.
结论:
- FHE-ESSE-ABS框架增强了医疗保健区块链解决方案.
- 它可以实现加密计算,保护隐私的搜索和细粒度的访问控制.
- 该框架可用于基于云的安全医疗数据管理和健康信息学.
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