结合区块链和车辆社交网络的车队成员推荐

doi:10.19665/j.issn1001-2400.2020.05.016

Abstract

Abstract:

Aiming at the problems of safety and privacy threats in establishing autonomous vehicle platoons in vehicle social networks, which would hinder the widespread adoption of platoons, a scheme for recommendation of autonomous vehicle platoon members by combining the blockchain and vehicle social networks is proposed. A series of security protocols to form a privacy platoon recommendation algorithm is first proposed. Second, the homomorphic encryption and secure multi-party computing are integrated to protect data security and reduce the risk of privacy leakage. Finally, the blockchain and vehicle social networks are combined to achieve efficient system operation. The proof of security shows that the proposed scheme meets the requirement of privacy protection. Besides, experimental results show that the cost of communication and that of calculation in the proposed scheme are both acceptable and reliable and effective for the formation of the platoon.

Key words: vehicular communication, blockchain, privacy protection, homomorphic encryption

CLC Number:

TP391

ZHAO Zijun,YING Zuobin,YANG Zhao,LIU Ximeng,MA Jianfeng. Recommendation of platoon members by combining the blockchain and vehicular social network[J].Journal of Xidian University, 2020, 47(5): 122-129.

Figures/Tables 4

References 14

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子协议	路边通信单元计算时间/s	计算服务提供商计算时间/s	通信开销/KB
安全域转换	0.135	0.083	1.475
安全比较	0.197	0.106	3.335
安全乘法	0.352	0.164	4.596

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Recommendation of platoon members by combining the blockchain and vehicular social network

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