A hierarchical blockchain-enabled security-threat assessment architecture for IoV  

作　　者：Yuanni Liu Ling Pan Shanzhi Chen 

机构地区：[1]School of Cyber Security and Information Law,Chongqing University of Posts and Telecommunications,Chongqing,400065,China [2]State Key Laboratory of Wireless Mobile Communications,China Academy of Telecommunication Technology,Beijing,100191,China

出　　处：《Digital Communications and Networks》2024年第4期1035-1047,共13页数字通信与网络（英文版）

基　　金：supported in part by the Science and Technology Project Program of Sichuan under Grant 2022YFG0022;in part by the Science and Technology Research Program of Chongqing Municipal Education Commission under Grant KJZD-K202000602;in part by the General Program of Natural Science Foundation of Chongqing under Grant cstc2020jcyj-msxmX1021;in part by the Chongqing Natural Science Foundation of China under Grant cstc2020jcyj-msxmX0343.

摘　　要：In Internet of Vehicles(IoV),the security-threat information of various traffic elements can be exploited by hackers to attack vehicles,resulting in accidents,privacy leakage.Consequently,it is necessary to establish security-threat assessment architectures to evaluate risks of traffic elements by managing and sharing securitythreat information.Unfortunately,most assessment architectures process data in a centralized manner,causing delays in query services.To address this issue,in this paper,a Hierarchical Blockchain-enabled Security threat Assessment Architecture(HBSAA)is proposed,utilizing edge chains and global chains to share data.In addition,data virtualization technology is introduced to manage multi-source heterogeneous data,and a metadata association model based on attribute graph is designed to deal with complex data relationships.In order to provide high-speed query service,the ant colony optimization of key nodes is designed,and the HBSAA prototype is also developed and the performance is tested.Experimental results on the large-scale vulnerabilities data gathered from NVD demonstrate that the HBSAA not only shields data heterogeneity,but also reduces service response time.

关 键 词：Internet of vehicles Blockchain Edge computing Data virtualization Data service composition 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论] TP309[自动化与计算机技术—计算机科学与技术] U495[交通运输工程—交通运输规划与管理]