一个安全和可扩展的物联网访问控制框架,具有动态属性更新和隐藏策略.
Zhigang Xu1, Wan Zhou1, Hongmu Han2
1School of Computer Science, Hubei University of Technology, 28 Nanli Road, Wuhan, 430068, China.
Scientific reports
|April 8, 2025
概括
本研究引入了一个新的双向属性访问控制方案,用于物联网 (IoT) 数据. 它通过动态属性更新和策略隐藏来增强安全性和隐私,改进了现有的基于区块链的方法.
科学领域:
- 计算机科学 计算机科学
- 信息安全 信息安全
- 区块链技术 区块链技术
背景情况:
- 物联网 (IoT) 数据安全性至关重要,通常依赖于云计算和基于属性的加密 (ABE).
- 现有的基于区块链的访问控制方法缺乏动态更新,双向验证和安全的数据传输功能.
- 当前系统中的公共访问政策损害了用户隐私和数据安全.
研究的目的:
- 为物联网环境中安全和实时的数据共享提出一种基于属性的新型加密方案.
- 解决基于区块链的访问控制中的动态属性更新和政策可见性的局限性.
- 通过双向验证过程提高物联网数据的安全性和隐私性.
主要方法:
- 设计了一个动态更新和隐藏政策的双向属性访问控制 (DUPH-BAAC) 方案.
- 实施战略隐藏技术,以确保政策的安全传输.
- 利用区块链进行分散的身份认证,授权和密钥管理.
- 使用智能合约用于用户权限验证和访问交易生成.
主要成果:
- 杜普-BAAC方案可实现实时安全共享,具有动态属性更新和隐藏访问策略.
- 区块链取代了集中式物联网服务器,减少了信息泄漏风险.
- 该方案成功地抵御了无法区分的选择访问结构和选择性的纯文本攻击.
- 实现了IND-sAS-CPA安全性,确保了强大的数据保护.
结论:
- 杜普-BAAC方案为物联网数据访问控制提供了一个安全有效的解决方案.
- 隐藏政策和双向验证显著提高了用户隐私和数据完整性.
- 通过区块链进行去中心化可以改善物联网系统的整体安全状况.
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