一种面向车联网通信的条件隐私保护认证协议

doi:10.19678/j.issn.1000-3428.0060369

摘要/Abstract

摘要： 车联网可有效提高交通的效率和安全性，但通信过程中存在的隐私泄露问题严重阻碍了其应用落地。提出一种面向车联网V2X通信的条件隐私保护认证协议。针对现有协议大多仅支持车辆认证的局限性，基于用户身份和车辆身份信息生成车与用户绑定的生物密钥，使协议支持单车多用户或单用户多车认证。在保护用户和车辆身份的条件下完成对消息发送方的身份认证，并在特定情况下追溯车辆和用户的真实身份，从而实现对车辆和用户的条件隐私保护。同时，在协议中添加批量验证功能以提高验证效率。形式化的安全性分析和性能评估结果表明，该协议是安全且高效的。

关键词: 车联网, 安全通信, 身份认证, 隐私保护, 批量验证

Abstract: Internet of Vehicles(IoV) can effectively improve the efficiency and security of traffic, but the privacy leakage problem in the communication process has seriously hindered its further applications.To solve this problem, an authentication protocol for Vehicle to Everything(V2X) communication in IoV with conditional privacy protection is proposed. In view of the limitation that most of the existing protocols only support vehicle certification, a bio key binding the vehicle and the user is generated based on user identity information and vehicle identity information, so that the protocol can support single-vehicle multi-user or single-user multi-vehicle authentication.Under the condition of protecting the identity of the user and the vehicle, the identity authentication of the message sender is completed, and the real identities of the vehicle and the user are traced in specific cases, so as to realize the conditional privacy protection of the vehicle and the user.At the same time, batch verification function is added to the protocol to improve the efficiency.Formal security analysis and performance evaluation results show that the protocol is secure and efficient.

Key words: Internet of Vehicles(IoV), secure communication, identity authentication, privacy protection, batch verification

中图分类号:

TP309

吴甜甜, 杨亚芳, 赵运磊. 一种面向车联网通信的条件隐私保护认证协议[J]. 计算机工程, 2021, 47(6): 14-22.

WU Tiantian, YANG Yafang, ZHAO Yunlei. An Authentication Protocol with Conditional Privacy Protection for IoV Communication[J]. Computer Engineering, 2021, 47(6): 14-22.

https://www.ecice06.com/CN/Y2021/V47/I6/14

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