| 交叉口场景下基于区块链技术的匿名车辆身份认证方案 |
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| 作者姓名： | 王昊 吴天昊 朱孔林 张琳 |
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| 作者单位： | 北京邮电大学信息与通信工程学院，北京 100876 |
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| 基金项目： | 国家重点研发计划(2016YFB0100902) |
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| 摘 要： | 随着智能交通系统的不断发展，未来车辆在进出交叉口时，将不再受传统信号灯控制，而是通过与交叉口附近的区域服务器进行信息交互，接受区域服务器的统一调度。保证车辆在交叉口通信安全的基础是网络节点的身份认证。基于此，提出一种基于区块链技术的匿名车辆认证方案，在认证中采用基于身份和哈希消息认证码的混合密码认证机制，并将认证结果记录在区块链中。通过仿真测试和结果分析表明，该方案具有匿名性、保护隐私等特性。与其他方案相比，该方案有效降低了通信开销。
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| 关 键 词： | 智能交通系统 身份认证 隐私保护 区块链 |
Anonymous vehicle authentication scheme based on blockchain technology in the intersection scenario |
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| Authors: | Hao WANG Tianhao WU Konglin ZHU Lin ZHANG |
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| Affiliation: | School of Information and Communication Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China |
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| Abstract: | With the development of intelligent transportation system,the vehicles will no longer be controlled by the traditional traffic light when they enter or leave the intersection.Instead,they will interact with the local server (LS) near the intersection and accept the regulation of LS.The basic of the security vehicle communication at intersections is authentication of network node.Based on this,an anonymous vehicle authentication scheme based on blockchain technology was proposed.The scheme employed a hybrid cryptography based on identity and hash message authentication code,and recorded the authentication results in blockchains.According to simulation testing and result analysis,the scheme ensures the anonymity and privacy-preserving,with less communication overhead compared to other methods. |
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| Keywords: | intelligent transportation system identity authentication privacy preserving blockchain |
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