基于划分协作区域的消息批量认证方案
首发时间:2022-06-22
摘要:车联网在保障道路交通安全方面发挥着巨大的作用,消息认证是车联网中的数据和信息进行安全传输的基础。系统中车辆节点的爆炸增长为实现消息快速认证提出了一定的挑战。本文以缩短系统中消息认证的时延为目标,提出了基于划分协作区域的消息批认证方案,建立分布式消息批量认证系统模型,通过选取系统中部分协作车辆与路边单元以协作的方式进行消息的认证工作,并提出了基于模糊逻辑的协作车辆选举算法。仿真结果表明,与集中式消息认证方案相比,本方案可降低80%的系统消息认证时延。
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Message batch authentication scheme based on division of cooperation region
Abstract:The Internet of vehicles plays a huge role in ensuring road traffic safety. Message authentication is the basis for the safe transmission of data and information in the Internet of vehicles. The explosive growth of vehicle nodes in the system poses a certain challenge for the realization of rapid message authentication. In order to shorten the time delay of message authentication in the system, this paper proposes a message batch authentication scheme based on dividing cooperation regions, establishes a distributed message batch authentication system model, selects some cooperative vehicles in the system and RSU to authenticate security messages in a cooperative manner, and proposes a cooperative vehicle election algorithm based on fuzzy logic. The simulation results of SUMO and python show that the proposed scheme can reduce the message authentication delay by 80% compared with the centralized message authentication scheme.
Keywords: Message verification VANETs Cooperative verification
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