【摘要】 针对智能交通出行数据共享中的隐私保护问题,提出一种基于Fabric的出行数据隐私保护模型。利用区块链不可篡改、可追溯的特性,结合AES算法与访问控制列表机制,从出行数据的上传、查询和访问控制等方面对模型中Fabric区块链数据库、智能合约、中间件等模块进行设计和实现。安全性分析和实验结果表明,所提方法具有较好的安全性、保密性以及可行性,可以提高智能交通出行数据共享环境下的个人隐私安全。更多还原

【Abstract】 Aiming at the problem of data privacy-preserving in intelligent transportation travel data sharing,aprivacy-preserving method of travel data based on Fabric was proposed.By using the anti-tampering and traceability of blockchain,combining with AES algorithm and access control list mechanism,from the aspects of uploading,querying and access control of travel data,the modules of Fabric blockchain database,smart contracts,middleware in the model were designed and implemented.The security analysis and experimental results show that the proposed method has better security,confidentiality and feasibility,and can improve the security of personal privacy in the intelligent transportation travel data sharing environment.更多还原