基于区块链的车联网安全通信策略

doi:10.19678/j.issn.1000-3428.0060802

摘要/Abstract

摘要： 为完善车联网信任评估机制并建立车辆间的信任关系，提出一种基于区块链技术的车联网安全通信策略。利用椭圆曲线加密算法进行车辆身份注册与验证，结合基于Beta分布的直接信任值与基于PageRank算法的推荐信任值求得车辆综合信任值。通过智能合约技术对车辆综合信任值及交互信息进行管控，实现车辆综合信任值的上链、更改与更新。仿真结果表明，该策略能够有效抵御车联网内部与外部攻击，保证数据传输的安全性，且满足车联网车辆在高速移动环境下的高吞吐量及低时延通信需求。

关键词: 车联网, 区块链, 信任评估, 安全通信, RAFT共识机制

Abstract: In order to improve the trust evaluation mechanism of the Internet of Vehicles(IoV) and establish the trust relationship between vehicles, a blockchain-based secure communication strategy for IoV is proposed.The elliptic curve encryption algorithm is used to realize identity registration and verification of vehicles.Then by using the direct trust value based on Beta distribution and the recommendation trust value based on the PageRank algorithm, the comprehensive trust value of a vehicles obtained.The smart contract technology is used to control and manage the comprehensive trust values and interaction information of vehicles, implementing the signing up, modification and update of comprehensive values of vehicles.Simulation results show that the proposed strategy can assist in defending against internal and external attacks on IoV, ensure the security of data transmission, and meet the communication requirements of rapidly moving IoV vehicle nodes for high throughput and low delay.

Key words: Internet of Vehicles(IoV), blockchain, trust evaluation, secure communication, RAFT consensus mechanism

中图分类号:

TP393

李子健, 章国安, 陈葳葳. 基于区块链的车联网安全通信策略[J]. 计算机工程, 2021, 47(10): 43-51.

LI Zijian, ZHANG Guoan, CHEN Weiwei. Blockchain-based Secure Communication Strategy for Internet of Vehicles[J]. Computer Engineering, 2021, 47(10): 43-51.

http://www.ecice06.com/CN/Y2021/V47/I10/43

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