一种无证书的车联网认证密钥交换协议  

Certificateless Authentication Key Exchange Protocol for Internet of Vehicles

作　　者：戴玉 周非[1] 薛丹 DAI Yu;ZHOU Fei;XUE Dan(School of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China)

机构地区：[1]重庆邮电大学通信与信息工程学院,重庆400065

出　　处：《小型微型计算机系统》2024年第10期2508-2513,共6页Journal of Chinese Computer Systems

基　　金：国家自然科学基金项目(62271096)资助.

摘　　要：车联网的发展提高了智能交通系统的舒适性和安全性,设备与基础设施之间的通信变得更加频繁.而开放的网络环境使车联网中的设备更易受到恶意攻击.针对车联网网络环境复杂、节点数量多、节点移动速度快的特点,提出了一种基于椭圆曲线加密的匿名无证书认证密钥交换协议.该协议采用部分密钥托管、无证书签密等技术,实现双向认证、假名更新和身份溯源的功能,有效实现车辆与路边单元的匿名认证密钥交换.最后对协议进行了安全性证明和性能分析,并与相关协议的安全属性、计算开销和通信开销进行分析对比,结果表明,与相关协议比较其综合性能更优.The development of the Internet of vehicles(IoV)has improved the comfort and safety of intelligent transportation systems,and the communication between equipment and infrastructure has become more frequent.The open network environment makes the devices in IoV more vulnerable to malicious attacks.In view of the complex network environment,large number of nodes and fast moving nodes of IoV,an anonymous certificateless authentication key exchange protocol based on elliptic curve encryption was proposed.The protocol adopted partial key escrows,certificateless signencrypt and other technologies to realize the functions of two-way authentication,pseudonym updating and identity tracing,and effectively realized the anonymous authentication key exchange between vehicles and roadside units.Finally,it carried out the security proof and performance analysis of the protocol and compared the security attribute,computing cost and communication cost with other related protocols.The results show that the comprehensive performance of the protocol is better than that of the related protocol.

关 键 词：车联网 无证书签密 认证密钥交换 部分密钥托管 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]