基于区块链+北斗的铁路装备可信数字身份服务方法  

Method of trusted digital identity service for railway equipment based on blockchain+BeiDou

作　　者：樊玉明[1,2] 刘琦 咸晓雨 王剑 FAN Yuming;LIU Qi;XIAN Xiaoyu;WANG Jian(School of Electronic and Information Engineering,Beijing Jiaotong University,Beijing 100044,China;CRRC Academy,Beijing 100160,China;School of Software Engineering,Beijing Jiaotong University,Beijing 100044,China;School of Transportation Science and Engineering,Beihang University,Beijing 100191,China)

机构地区：[1]北京交通大学电子信息工程学院,北京100044 [2]中车工业研究院,北京100160 [3]北京交通大学软件学院,北京100044 [4]北京航空航天大学交通科学与工程学院,北京100191

出　　处：《导航定位与授时》2023年第4期48-57,共10页Navigation Positioning and Timing

基　　金：国家重点研发计划(2022YFB4300600);国家自然科学基金(T2222015);国家自然科学基金委员会-中国国家铁路集团有限公司铁路基础研究联合基金(U2268206);北京市自然科学基金(4232031)。

摘　　要：智能铁路装备是一个典型的分布式物联系统,具有大量复杂的数据交互共享的需求与场景,装备及其产生的数据信令在系统中的数字身份标识是其重要安全基础。应用基于区块链去中心化的分布式数字身份标识技术,结合北斗时空信息,设计了铁路装备身份标识(railway decentralized identifier,RDID)可信数字身份服务,包括服务架构、生成流程、流转流程和验证流程,并进行了应用模型实现与效能分析。服务可以有效提升装备及其产生的数据信令的规范安全性,保证标识身份全局唯一,可追溯认证,从而提高智能装备系统通信过程数据的完整性与可靠性。As a typical distributed internet of things(IoT)system,intelligent railway equipment possesses a large amount of requirements and scenarios of data interaction and sharing.And the important security basis is the digital identity label of the equipment and the generated data/signals in the system.Hence,a railway decentralized identifier(RDID)is designed using the decentralized digital identity technology based on blockchain,combined with Beidou position-time information,including its service architecture,generation process,flow process and verification process.The implementation of application model and efficiency analysis are also carried out.The service can effectively improve the security of equipment and the generated data,and ensure the global uniqueness of identity and traceability authentication,so as to improve the integrity and reliability of data in the communication process of the intelligent equipment system.

关 键 词：可信数字身份 区块链 北斗 铁路装备 物联网 通信安全 

分 类 号：TP393[自动化与计算机技术—计算机应用技术] V19[自动化与计算机技术—计算机科学与技术]