LRChain:data protection and sharing method of learning archives based on consortium blockchain  

作　　者：Lan Lina Gao Yuhan Shi Ruisheng Wu Fenfen 

机构地区：[1]School of Humanities,Beijing University of Posts and Telecommunications,Beijing 100876,China [2]School of Cyberspace Security,Beijing University of Posts and Telecommunications,Beijing 100876,China [3]Key Laboratory of Trustworthy Distributed Computing and Service,Beijing University of Posts and Telecommunications,Ministry of Education,Beijing 100876,China

出　　处：《The Journal of China Universities of Posts and Telecommunications》2024年第4期28-42,共15页中国邮电高校学报（英文版）

基　　金：Beijing Natural Science Foundation(M21037);2022 Industrial Internet Public Service Platform-Industrial Internet Oriented Virtual Currency Mining Governance Public Service Platform Project by the Ministry of Industry and Information Technology of PRC(TC220H054);Major Research and Application Project for the Supervision Platform of Virtual Currency Mining Behavior by the Ministry of Education of PRC,the 111 Project(B21049).

摘　　要：Learning archives management in traditional systems faces challenges such as inadequate security,weak tamper resistance,and limited sharing capabilities.To address these issues,this paper proposes LRChain,a method based on consortium blockchain,for lifelong learning archives data protection and sharing.LRChain employs a combination of on-chain and off-chain cooperative storage using a consortium chain and inter planetary file system(IPFS)to enhance data security and availability.It also enables fine-grained verification of learning archives through selective disclosure principles,ensuring privacy protection of sensitive data.Furthermore,an attributebased encryption(ABE)algorithm is utilized to establish authorized access control for learning archives,facilitating safe and trusted sharing.Experimental evaluations and security analyses demonstrate that this method exhibits decentralization,strong security,tamper resistance,and performs well,effectively meeting the requirements for secure sharing of learning archive data.Learning archives management in traditional systems faces challenges such as inadequate security,weak tamper resistance,and limited sharing capabilities.To address these issues,this paper proposes LRChain,a method based on consortium blockchain,for lifelong learning archives data protection and sharing.LRChain employs a combination of on-chain and off-chain cooperative storage using a consortium chain and inter planetary file system(IPFS)to enhance data security and availability.It also enables fine-grained verification of learning archives through selective disclosure principles,ensuring privacy protection of sensitive data.Furthermore,an attributebased encryption(ABE)algorithm is utilized to establish authorized access control for learning archives,facilitating safe and trusted sharing.Experimental evaluations and security analyses demonstrate that this method exhibits decentralization,strong security,tamper resistance,and performs well,effectively meeting the requirements for secure sharing of learning archive data.

关 键 词：learning archives consortium blockchain collaborative storage secure sharing 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论] G270.7[自动化与计算机技术—计算机科学与技术]