基于联盟链和CP-ABE的学生信息安全共享方案

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中图分类号：TP309.2 文献标识码：A 文章编号：2096-4706（2025）07-0168-06

Abstract：Aiming at the access control problems ofstudent information，this paper proposes a student informationsecurity sharingschemebasedonconsortium blockchainandCP-ABE.Theschemestorestheaccess policyintheconsortiumblockchain through theon-chainandof-chaincolaborativestorage mechanism，andstorestheencryptedstudentinformationinthecloud service，whichcannotonlyreduce theon-chainstoragecost，butalsoensurethesafe storage and efective sharingof student information.Atthesametime，CP-ABEtechnologyiscombinedwithsmartcontract，andthekeygenerationandaescontrol strategyof CP-ABEare automaticall processed byusing the automatic execution abilityofsmartcontract，soastorealize the instant，utomaticandfinegraedaccessmanagementofstudentinformation.Throughthesecurityanalysisandexpermental verificationoftheseme，theresultsshowthattheschemehasgoodsecurityandavailabilitycanefectivelysolvetheacess control problemof student information，and providesanewideaand methodforinformationsecuritysharing inthefeldof education.

Keywords：data sharing; consortium blockchain; CP-ABE; smart contract; access control

0 引言

信息技术的迅猛发展使得Web应用成为信息时代的关键部分。（剩余6840字）