ER-CGKA:高效和稳健的连续集团密钥协议方案,具有对IoV的后妥协期货安全性
Guishuang Xu1,2, Xinchun Yin1,2,3, Xincheng Li1,2
1College of Information Engineering, Yangzhou University, Yangzhou, Jiangsu, China.
PloS one
|August 29, 2024
概括
一个新的高效的车辆互联网 (IoV) 集团密钥协议方案,通过抵御恶意攻击和减少计算负载,确保后妥协前期安全性 (PCFS). 这种强大的方案增强了安全的车辆通信,并保护了车辆的隐私.
科学领域:
- 网络安全 网络安全
- 智能运输系统 智能运输系统
- 网络安全 网络安全
背景情况:
- 车辆互联网 (IoV) 通信对于智能运输至关重要,但容易受到恶意攻击.
- 当前的身份验证协议在组成员受到损害时,难以保证后妥协前期安全性 (PCFS).
- 对于PCFS来说,动态键旋转会导致大量的计算和通信开销.
研究的目的:
- 为 IoV 设计一个高效,稳健的连续集团密钥协议 (ER-CGKA) 方案.
- 为应对在受损的IoV环境中实现PCFS的挑战.
- 为了减少与安全密钥协议相关的计算和通信负担.
主要方法:
- 采用了对异步组密钥更新的建议和承诺流.
- 利用 TreeKEM 架构来最大限度地降低计算成本和通信开销.
- 集成了一个值机制,以抵御恶意车辆的勾结攻击.
主要成果:
- 拟议的ER-CGKA方案满足了基本的IoV安全要求,并实现了PCFS.
- 计算成本显著降低:客户端大约18.82%,云服务器 (CS) 大约33.18%.
- 由于使用伪名来保护隐私,观察到通信开支增加了大约55.57%.
结论:
- ER-CGKA方案为IOV中的关键协议提供了一个安全而实用的解决方案.
- 该方案有效地提高了安全性和隐私,同时管理计算和通信效率.
- 这些发现有助于更安全,更可靠的智能运输系统.
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