面向车联网通勤的双阶段认证密钥协商协议  

Two-stage authentication and key agreement protocol for commuting in Internet of vehicles

作　　者：张海波[1,2] 余艺 王冬宇 贺晓帆[4] ZHANG Haibo;YU Yi;WANG Dongyu;HE Xiaofan(School of Communications and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China;Chongqing Key Laboratory of Public Big Data Security Technology,Chongqing 401420,China;School of Artificial Intelligence,Beijing University of Posts and Telecommunications,Beijing 100876,China;School of Electronic Information,Wuhan University,Wuhan 430072,China)

机构地区：[1]重庆邮电大学通信与信息工程学院,重庆400065 [2]公共大数据安全技术重庆市重点实验室,重庆401420 [3]北京邮电大学人工智能学院,北京100876 [4]武汉大学电子信息学院,湖北武汉430072

出　　处：《通信学报》2024年第5期128-139,共12页Journal on Communications

基　　金：国家自然科学基金资助项目(No.62271094,No.61901071);长江学者和创新团队发展计划基金资助项目(No.IRT16R72);重庆市留创计划创新类基金资助项目(No.cx2020059);公共大数据安全技术重庆市重点实验室开放基金资助项目(No.CQKL-QJ202300002)。

摘　　要：针对通勤车辆在车联网中向路边单元(RSU)获取服务的安全与效率问题,提出了一种双阶段的认证密钥协商协议。在初始认证阶段,利用车辆、RSU和可信机构(TA)间协商的3个独立会话密钥,保障2个实体间传输的隐私不被第三方实体窃取。在快速认证阶段,车辆和RSU间利用车辆旅行时间表高效地完成相互认证。协议支持车辆匿名与匿名追溯,且能防止通勤路线等隐私泄露。此外,通过随机预言机证明了协议的安全性。仿真结果表明,在典型通勤场景下,所提方案比同类方案降低了59.35%的计算开销和44.21%的通信开销。Aiming at the security and efficiency of commuter vehicles accessing services from road side unit(RSU)in In‐ternet of vehicles(IoV),a two-stage authentication and key agreement protocol was proposed.In the initial authentica‐tion phase,the three independent session keys,negotiated among the vehicle,the RSU,and the trusted authority(TA),were utilized to safeguard the privacy of transmitted data between two entities from interception by third-party entities.In the fast authentication phase,the vehicle and RSU utilized the vehicle's travel schedule to reach the high-efficiency mutual-authentication.The vehicle anonymity and anonymous traceability were supported by the protocol,and the pri‐vacy leakage such as commuting routes was prevented.Additionally,the security of the protocol was proven by a random oracle.In a typical commuting scenario,the simulation results show that the protocol outcomes a reduction in computa‐tion overhead by 59.35%and communication overhead by 44.21%,compared to existing similar literature.

关 键 词：车联网 认证密钥协商 匿名追溯 随机预言机 

分 类 号：TN915.08[电子电信—通信与信息系统]