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ID:36628395
大小:2.02 MB
页数:56页
时间:2019-05-13
《数据库安全控制模型的研究与应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、大连理工大学硕士学位论文数据库安全控制模型的研究与应用姓名:曾智申请学位级别:硕士专业:计算机技术与应用指导教师:王秀坤20040601AbstractDatabaseisoneofthemostrapidlydevelopingsubjectsinthecomputersceineefieldThedatawhichbeingmanagedandstoredinthedatabasesystemarecurcialresoucesineachdepartment.Soestablishingtheinformationandapplicationsystembas
2、edonthedatabaseareveryimportantinmanyaspectssuchasimprovingbenefitofthecorporation.developingeconomyofthesocietyandimprovinglifeofthepeopleButatthesmnetimeseriousfatalnessandffangibilityarealSOexisted.Thesecuritiesofinformationanddatabasehavebeenensurenceofthehealthydevelopmentofeconom
3、yandsociety.Computersecurityinvolvedmanyaspectsincludingencryption,authentication,andaccesscontrolandinspectingofinbreakIntheaspectofaccesscontrol,researchershaveputforwardsomepoliesandmodelsofaccesscontrolsuchasdiscretionaryaccesscontrol,mandatoryaccesscontr01.Bell—LaPadulapolicyandro
4、le-basedaccesscontr01.Butsomeaimatsinglepolicy.andsomeneglectseveralimportantfactorssuchastask.theseareallneedtoenhanceandimproveon.Thepaplerstudiesthesecuri.tymodelbasedonroleandtaskandthelatticemodelforcontrolsystematically.ThePal:lercombinesthetwosecuritycontrolmodelsanddesignsanImp
5、rovedExtensibleAccessControIManagement(EACMM)model.ThemodeliSarrangementandgradual.Securityadministratorsofdifierentlevelscanextendmainbodymodelandaccesscontrolpurviewintherulerangeonthebaseoftheirownpurview.AtthesametimetheyCanestablishnewsecurityadministratorsandgrantthemcorrespondin
6、gmanagingpurview.ThepaperimprovesaFlexibleExtensibleAnthorizationLanguage(FEAL)denotingmultipleaccesspoliciesThelanguagedescribesdataaccessformallyadoptingexpressingwayofextendedlogicprogram.SystemsecurityadministratorscandescribemultiplesecuritypoliciesbasedOOsecurityrequirementofprac
7、ticalapplicationandinthiswayfinishestheaccesstOdatabase.ThePaDerappliesthismanagementmodeltotheresearchofdatabasesecuritymanagementsub.-systemofHeiLongJiangProvinceAnti.FloodDecisionSupportSystemandcarryonacertainextendofpractice.Keywords:securitypoIicy;S(}CUritymodoI:IarticemDdeI;EA
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