基于多授权 CP-ABE 的增强型可追溯访问控制方案,适用于云辅助电子医疗系统

IF 4.4 2区 计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
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引用次数: 0

摘要

由于物联网(IoT)固有的开放性,广泛使用该技术的电子医疗系统很容易受到网络攻击。本文提出了黑白盒可追踪多授权基于密码策略属性的加密方案(BWMABE),该方案将黑白盒问责制与基于密码策略属性的加密(CP-ABE)相结合,以提高电子医疗系统的数据安全性。所提出的 BWMABE 方案可追溯权限泄漏,并采用跨多个机构的分布式属性和密钥管理,从而增强了安全性。通过将解密过程外包给云服务提供商,拟议的 BWMABE 大幅减轻了终端用户的计算负担,使其适用于计算能力有限的轻量级物联网设备。与之前的可追溯 CP-ABE 方法相比,所提出的 BWMABE 在支持黑盒和白盒可追溯性的同时,所需的计算量也更少。通过全面的安全分析和性能评估,验证了所提出的 BWMABE 具有强大的安全性和高效性,证明了它在保护电子健康系统方面的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An enhanced traceable access control scheme based on multi-authority CP-ABE for cloud-assisted e-health system

Due to the inherent openness of the Internet of Things (IoT), e-health systems that utilize this technology on a broad scale are susceptible to network attacks. The propose black and white box traceable multi-authority ciphertext policy attribute-based encryption scheme (BWMABE) that combines black and white box accountability with ciphertext policy attribute-based encryption (CP-ABE) to improve data security in e-health systems. The proposed BWMABE scheme enhances security by enabling traceable permissions leakage and employs distributed attribute and key management across multiple authorities. By outsourcing the decryption process to cloud service providers, the proposed BWMABE significantly reduces the computational burden on end-users, making it suitable for lightweight IoT devices with limited computing power. Compared to previous traceable CP-ABE methods, the proposed BWMABE requires less computational effort while supporting both black box and white box traceability. By means of thorough security analysis and performance assessment, the proposed BWMABE has been validated to provide robust security and high efficiency, demonstrating its effectiveness in protecting e-health systems.

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来源期刊
Computer Networks
Computer Networks 工程技术-电信学
CiteScore
10.80
自引率
3.60%
发文量
434
审稿时长
8.6 months
期刊介绍: Computer Networks is an international, archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in the computer communications networking area. The audience includes researchers, managers and operators of networks as well as designers and implementors. The Editorial Board will consider any material for publication that is of interest to those groups.
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