区块链赋能的6G零信任车联网可信接入方案

郝敏; 叶东东; 余荣; 王敬宇; 廖建新

doi:10.11999/JEIT220370

区块链赋能的6G零信任车联网可信接入方案

doi: 10.11999/JEIT220370

1.
广东工业大学广州 510006
2.
北京邮电大学北京 100876

基金项目: 国家重点研发计划(2020YFB1807802)

详细信息

作者简介:
郝敏：男，博士生，研究方向为车联网与边缘计算

叶东东：男，博士后研究员，研究方向为博弈论与网络资源管理

余荣：男，教授，博士生导师，研究方向为无线通信与边缘计算

王敬宇：男，教授，博士生导师，研究方向为智能网络与机器学习

廖建新：男，教授，博士生导师，研究方向为网络智能化

通讯作者:
余荣　yurong@gdut.edu.cn

中图分类号: TN915.08; TP309
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- 被引次数: 0
出版历程
- 收稿日期: 2022-03-31
- 修回日期: 2022-06-20
- 网络出版日期: 2022-06-24
- 刊出日期: 2022-09-19

Blockchain Empowered Trustworthy Access Scheme for 6G Zero-trust Vehicular Networks

1.
Guangdong University of Technology, Guangzhou 510006, China
2.
Beijing University of Posts and Telecommunications, Beijing 100876, China

Funds: The National Key R&D Program of China (2020YFB1807802)

摘要

摘要: 6G网络将带来全场景按需服务泛在智能新范式，其中可信可靠网络服务是泛在智能的关键技术指标。该文面向6G零信任网络的通信需求，以区块链为“信任桥梁”，研究6G车联网边缘计算中的可信可靠接入管理方法。首先，采用基于2次剩余的零知识身份验证算法，在不暴露车辆隐私的前提下完成基站和车辆之间的相互验证与授权。然后，为提高验证效率并节省基站能耗，建立了基于契约理论的路侧冗余算力激励模型，将基站的一部分验证任务分配给边缘服务器或停泊车辆，再给予相应的报酬。最后，建立了基于双层区块链的6G零信任车联网架构，利用基站群维护的主链与边缘算力维护的辅链记录车联网身份验证的重要参数，实现零信任网络环境的可信接入。通过与现有方法比较，该文所述方法在不泄露车辆隐私的前提下显著提升了车辆验证效率，降低了基站能耗，具有更高的安全性。
- 车联网 /
- 零信任网络 /
- 零知识证明 /
- 区块链 /
- 可信接入
Abstract: 6G networks will bring the new paradigm of ubiquitous intelligence and on-demand services in all scenarios, in which trustworthy and reliable network services become key technical indicators. Facing the communication requirements in the 6G zero-trust environment, the blockchain is used as a "trust bridge", and the trusted and reliable access management scheme of the 6G in-vehicle network is studied in this paper. Firstly, a zero-knowledge authentication algorithm based on quadratic residual is used to complete the mutual authentication and authorization between the base station and the vehicle without exposing the privacy of the vehicle. Then, in order to improve the verification efficiency and save the energy consumption of the base station, a road redundant computing power incentive model based on the contract theory is established, and part of the verification tasks of the base station are allocated to edge servers or parked vehicles and given corresponding rewards. Finally, a 6G zero-trust network architecture of vehicle based on two-tiered blockchain is established. The primary chain maintained by the base stations and the secondary chain maintained by the edge computing nodes are used to record the important parameters of the identity verification of the vehicular networks, so as to meet the requirement of trustworthy access in the zero-trust environment. Compared to the existing baseline approaches, the proposed scheme improves significantly the vehicle verification efficiency and reduces the energy consumption of the base station without revealing the privacy of the vehicles.
- Vehicular network /
- Zero trust environment /
- Zero knowledge proof /
- Blockchain /
- Trustworthy access

HTML全文

图 1 面向6G零信任车联网可信接入系统架构

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图 2 车辆行驶示意图

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图 3 身份验证算法流程

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图 4 区块结构

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图 5 验证算法的性能

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图 6 激励机制效果

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