基于区块链的车载自组织网络群签名方案  

Group signature scheme for vehicular Ad Hoc networks based on blockchain

作　　者：吴亚联[1] 朱紫琦 黄盟标 赵鑫[1] WU Ya-lian;ZHU Zi-qi;HUANG Meng-biao;ZHAO Xin(College of Automation and Electronic Information,Xiangtan University,Xiangtan 411105,China)

机构地区：[1]湘潭大学自动化与电子信息学院,湖南湘潭411105

出　　处：《吉林大学学报（工学版）》2022年第5期1161-1167,共7页Journal of Jilin University:Engineering and Technology Edition

基　　金：国家自然科学基金面上项目(61379115)。

摘　　要：针对车载自组织网络(VANETs)存在车辆数据易篡改并遭到各种攻击的问题,提出了基于区块链的VANETs群签名方案。搭建基于区块链的车联网模型记录数据,防止数据被篡改,RSU充当矿工与辅助监管者,协助监督机构监管。采用可撤销的群签名以保证信息的机密性、保密性和不可否认性,其中验证与撤销成员个数无关,撤销只需要更新撤销列表,部分参数可以提前运算,降低计算开销。最后,分析了方案的正确性、安全性,并对其性能进行了评估。Aiming at the problem that vehicle data is easy to be tampered and attacked in vehicle Ad Hoc networks(VANETs),a blockchain based VANETs group signature scheme is proposed.A blockchainbased car networking model is built to record data and prevent data from being tampered with.RSU acts as a miner and auxiliary supervisor to assist the supervision organization.Revocable group signature is adopted to ensure the confidentiality,confidentiality and non repudiation of information.The verification has nothing to do with the number of revocation members.Revocation only needs to update the revocation list.Some parameters can be calculated in advance to reduce the computational overhead.Finally,the correctness and security of the scheme are analyzed,and its performance is evaluated.

关 键 词：车载自组织网络 区块链 群签名 车辆撤销 

分 类 号：TN915.08[电子电信—通信与信息系统]