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首页> 外文期刊>IEEE Transactions on Vehicular Technology >Blockchain Empowered Cooperative Authentication With Data Traceability in Vehicular Edge Computing
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Blockchain Empowered Cooperative Authentication With Data Traceability in Vehicular Edge Computing

机译：BlockChain授权在车辆边缘计算中具有数据可追溯性的合作认证

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摘要

The dynamic environment due to traffic mobility and wireless communication from/to vehicles make identity authentication and trust management for privacy preservation based on vehicular edge computing (VEC) an increasingly important problem in vehicular networks. However, existing authentication schemes mainly focus on communication between a single trusted edge computing node and multiple vehicles. This framework may suffer the bottleneck problem due to the single edge computing node, and the performance depends heavily on its resources. In this paper, a blockchain empowered group-authentication scheme is proposed for vehicles with decentralized identification based on secret sharing and dynamic proxy mechanism. Sub-authentication results are aggregated for trust management based blockchain to implement collaborative authentication. The edge computing node with a higher-reputation stored in the tamper-proof blockchain can upload the final aggregated authentication result to the central server to achieve the decentralized authentication. This work analyzes typical attacks for this scheme and shows that the proposed scheme achieves cooperative privacy preservation for vehicles while also reducing communication overhead and computation cost.
机译：来自/到车辆的流量移动性和无线通信导致的动态环境使得基于车辆边缘计算（VEC）在车辆网络中越来越重要的问题，对隐私保存进行身份认证和信任管理。然而，现有的认证方案主要专注于单个可信高级计算节点和多车辆之间的通信。该框架可能由于单边计算节点而遭受瓶颈问题，并且性能大量取决于其资源。本文提出了一种基于秘密共享和动态代理机制的具有分散识别的车辆的基区赋权组认证方案。用于基于信任管理基于区块链的子认证结果以实现协作认证。边缘计算节点具有存储在防篡改区块链中的更高声望的节点可以将最终聚合的认证结果上传到中央服务器以实现分散的认证。这项工作分析了该方案的典型攻击，并表明该方案达到了车辆的合作隐私保护，同时还降低了沟通开销和计算成本。

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