數(shù)據(jù)庫用戶認證機制的研究和實現(xiàn).pdf

1、浙江大學碩士學位論文數(shù)據(jù)庫用戶認證機制的研究和實現(xiàn)姓名：田美紅申請學位級別：碩士專業(yè)：計算機軟件與理論指導教師：陳根才20040301浙江大學硐士學位論文ABSTRACTDatabase趾lfilenficationistheprocessbywNchthedatabaseserverestablishestheidentityoftheclienkandbyextensiondetermineswhethertheclientappl

2、ication(orthellsx!rwhoillrlStheclientapplication)ispermittedtOconnectwiththeuser11alTlethatWaSrequesteditisthecombinationofauthenticationtechnolo毋anddatabasetechnologyWiththedevelopmentof恤thirdpartyauthenticationproducta

3、ndcryptosTstemsAatabaseattthenticaionhasagreatadvancementbothin吐leoryandpra血ceButCUlTentdatabaseproductsatepurchasedfromforeigncounlriesOil／“cotmtrysinformationsecurityi!；unreliablewithoutgraspingmekeysecuritytechnologie

4、sitissignificanttodevelopanationaldatabasewithourowntechnologiesThegoalofthispaperistOprovideasecure，pracfcalandefficientIIgerauthenticationmechanismwhichisbased0171thedeeplyresearchOntheopensourceDBMSsoftwarePostgueSQLa

5、ndotherrelatedtechnologiesSpecially，thispaperfocusesonthefollowingalml鋤cadonmed】anlsms：1)Opem她systemauthenticationTiffsmechanismcontrolsloggingaccessbYthesecuri母featuresofnetworkuserimplementingintegrationwitha。cesscontr

6、olmechanismsofWindowsi“7I40orWindows2(X)0Thistechnolo努allowsusertoaccessdatabasewithominptatinguseridandpasswordandprovidesmoresecuri母functionsbyutilizingthesecuri母technologiesofoperainggstem2)Anewonetimepasswordauthenti

7、cationschemeThe謝ghalpasswordauthenticationisualnembletOguessattackandserver1)ermnafingattackToovercomethevulnerabiliboftI_】isschemethisPIp甜designsasimplemadefficientpasswordauthenticationschemaTheenhancedschemaCallimprov

8、ethesystemlsabilitytodefendallk出ndsoftheattackswithotausinganycryptos)碰tems3)Userauthenticationbasedonkeys心okefeaturesDatabasesecurityismeanin出ssifthepassMordisstolenCurrentapproachforat砘henticationbased(Illbiometricsmus

9、tbesupportedwithspecialhardwaredevicewithli垂1expenseThispaper粥anewapproachbasedOilkeystrokefeaturesasasCongauthenticationchoiceAdditionall3thispapsalsointroducestheframeworkofcommonnationalDBMSuserauthenticationwiththete