可撤销和启用雾的代理重新加密方案用于物联网环境
1Department of Computer Science and Engineering, National Taiwan Ocean University, Keelung 202, Taiwan.
Sensors (Basel, Switzerland)
|October 16, 2024
概括
这项研究引入了一种基于雾的代理重新加密系统,用于物联网 (IoT) 中的安全数据共享. 它通过使用随时更新的密钥机制来增强安全性,消除了对传统用户撤销列表的需求.
科学领域:
- 计算机科学 计算机科学
- 网络安全 网络安全
- 云计算 云计算 云计算 云计算
背景情况:
- 物联网 (IoT) 设备的使用越来越多,这引发了雾计算环境中数据传输的安全问题.
- 对于安全的数据共享,现有的代理重新加密方法面临用户撤销和存储空间的挑战.
- 在雾环境中,在多个设备之间传输数据会增加拦截和改的风险.
研究的目的:
- 提出基于雾的代理重新加密系统,具有可撤销的身份,用于安全的云数据共享.
- 解决传统用户撤销列表在管理解密权限方面的局限性.
- 增强数据安全,减少物联网环境中的存储开销.
主要方法:
- 引入了一个时间更新的密钥机制,用于管理用户解密权限.
- 开发了一个基于雾的代理重新加密方案,避免了传统的用户撤销列表.
- 正式证明了该方案的安全性,在决定双线的迪菲-赫尔曼 (DBDH) 假设下,针对自适应选择的身份和选择的纯文本攻击 (IND-PrID-CPA).
主要成果:
- 拟议的方案允许在没有解密的情况下安全的云加密文本共享.
- 被撤销的用户无法访问更新的时间更新密钥,防止未经授权的数据访问.
- 该系统在选择身份和纯文本攻击 (IND-PrID-CPA) 时显示不可区分.
结论:
- 新的时间更新密钥机制有效地在没有中央撤销列表的情况下撤销用户权限.
- 与现有解决方案相比,拟议的基于雾的代理重新加密系统提供了增强的安全性和较低的计算复杂性.
- 这种方法为物联网和雾计算环境中的数据共享提供了更有效和更安全的方法.
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