Trust Access Authentication in Vehicular Network Based on Blockchain

查看全文 作　　者：Shaoyong [1]Guo;Xing [1]Hu;Ziqiang [2]Zhou;Xinyan [3]Wang;Feng [1]Qi;Lifang [4]Gao

机构地区：[1]State Key Laboratory of Networking and Switching Technology,BUPT,Beijing 100876,China;[2]State Grid Zhejiang Electric Power Co.,Ltd.Institute of Electric Power Science,Zhejiang 310007,China;[3]State Grid Henan Electric Power Company Information and Communication Company,Henan 450052,China;[4]State Grid Hebei Electric Power Company,Information and Communication Company,Hebei 050022,China

出　　处：《China Communications》索引2019年第16卷第6期,共13页

基　　金：support by Research on Key Technologies of Dynamically Secure Identity Authentication and Risk Control of Power Business in the Science and Technology Project of State Grid Electric Power Company(No.5204XA19003F);National Natural Science Foundation of China(Grant No.601702048) 摘　　要：Data sharing and privacy securing present extensive opportunities and challenges in vehicular network.This paper introducestrust access authentication scheme’as a mechanism to achieve real-time monitoring and promote collaborative sharing for vehicles.Blockchain,which can provide secure authentication and protected privacy,is a crucial technology.However,traditional cloud computing performs poorly in supplying low-latency and fast-response services for moving vehicles.In this situation,edge computing enabled Blockchain network appeals to be a promising method,where moving vehicles can access storage or computing resource and get authenticated from Blockchain edge nodes directly.In this paper,a hierarchical architecture is proposed consist of vehicular network layer,Blockchain edge layer and Blockchain network layer.Through a authentication mechanism adopting digital signature algorithm,it achieves trusted authentication and ensures valid verification.Moreover,a caching scheme based on many-to-many matching is proposed to minimize average delivery delay of vehicles.Simulation results prove that the proposed caching scheme has a better performance than existing schemes based on central-ized model or edge caching strategy in terms of hit ratio and average delay. 关键词：blockchain vehicular NETWORK EDGE COMPUTING AUTHENTICATION mechanism many-to-many MATCHING

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Trust Access Authentication in Vehicular Network Based on Blockchain

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