基于聯(lián)盟鏈和CP-ABE的學(xué)生信息安全共享方案
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中圖分類號(hào)：TP309.2 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：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
信息技術(shù)的迅猛發(fā)展使得Web應(yīng)用成為信息時(shí)代的關(guān)鍵部分。（剩余6840字）