pmi异种访问策略下资源共享的-研究

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1、havebeenimproved．Accesscontr01isadefencemeasureagainstoversteppingusingresourcesThebasicgoalistolimitaccessprivilegefromaccessSHbject(client，processandservice，etc)toaccessobject(document，system，etc)，SOthatcomputersystemcanbeusedlegally．It’Salsodecided

2、thatwhattheprogramcando．TherearethreeaccesscontrolstrategiesinbusinessfirmsTheyarediscretionaryaccesscontrol，mandatoryaccesscontrolandRBAC．However，DACistooweakandMACistoopowerfulThesetwostrategiesaretoocomplextobemanagedconveniently．Nowadays，RBACisreg

3、ardedasaneffectiveway，whichcanresolvetheproblemhowanenterpriseaccessesandcontrolsunitresources．Therearetworemarkablecharacters，1．reducethecomplexityofauthorizationmanagementandthespendingofmanagement；2flexiblysupportthesecuritystrategyofenterpriseandw

4、ellfitthechangesofenterprise．ThisarticleintroducesPMI，LDAPandRBAC；thenanalyzestheirfeatures，advantagesandactualitiesthatmostoftheapplicationsfocusonRBACandthereislittlestudyondifferentaccessstrategies．ThisarticleintroducetheresourcesharingfashionofPMI

5、systemapplingLDAP．Basedonthesethreetechnologies，Putforwardtheschemeappliedtoresourcesharingofsecuritydepartmentandcommondepartment．Inthisscheme，introducetheprivilegetreeandSingleBranchTreeappliedtolargePMIsystem．SingleBranchTreeaimatemergency，andimpro

6、vetheefficiencythroughcreatandadjustSingleBranchTreePutforwardthe“emptyrole’’whichisclatifytoPMIsystemapplingaccessstrategybasedonuser，throughtheanalysisofuserandroleandexpatiatehowtocreateandapplyitthroughattestLDAPofbothsidesApplingthisthchnologytoP

7、MIsystemswhichadoptdifferentaccessstrategycanmakethemcooperatesafelyandbothsidesneedn’tchangestrategyThisarticlemakethistechnologyapplytoPMIsystemswhichadopt山东大学硕士学位论文differentaccessstrategythroughmoreanalysisandsimulationimplementaimmingatapplication

8、sthatrequireuppersafety；andmakePMIsystemusingdifferentaccessstrategiessharetheresourcesmuchsaferandmoreconvenientThenworkjointlyanddeveloptheproject．Keywords：RBAC；LDAP；PMIV原创性声明和关于论文使用授权的说明原创性声明本人郑重声明：所呈交的学位论文，是本人在导师的指导下，独立进行研究所取得的成果。除文中已经注明引用