基于口令的身份認證方案的研究.pdf

1、南京理工大學碩士學位論文基于口令的身份認證方案的研究姓名：徐會艷申請學位級別：碩士專業(yè)：計算機應用技術(shù)指導教師：吳克力20100510AbstractWiththedevelopmentofcomputerandinteracttechnology，especiallythepopularizationelectroniccommerce，wehavemadeotlrpassageintotheglobalinformationage，

2、thenetworkhasbecomeourLmportantinformationtool，andthesecurityproblemofnetworkiSbecomingincreasinglylmportantAtpresenttheproblemsonhowtoinsureir面n11ation’ssecurityandprotecttherightsofauthorizedusersarethekeysocialissuest

3、obesolvedAuthenticationbasedOllcryptologytheoryisakeytoentertheinformationsystemitcanpreVentunauthorizedusersformenteringthedooranditappearsitsimportanceininformationsafetyofnetworkPeopleusedtousestaticpasswordforidentit

4、yauthenticationbutbecauseofitsown／imitationitcannotmeettheuser’SsecurityrequirementsOneTimePadiSadoptedintheschemeofonetimepasswordTheschemegeneratesdynamicpasswords，thateachpasswordISusedonlyonetime，andithasunpredictabi

5、lityTheschemeofonetiInepasswordCanpreventeavesdroppingattack，resistreplayattackandimpersonationattack，etcItsolvesthefrangibilityofstaticpassword，andprovideshighsecurityMainresearchcontentsofthethesisare：1Discussthestatic

6、passwordandoneti塒lepassword，comparetheadvantagesanddisadvantagesofthem2Especiallystudytheschemeofonetimepassword，elaboratethepassword’Sgenerationdistributionanddeliveringdescribeitsauthenticationmethod，andenumerateitsapp

7、lication3Analysetheexistingschemeofonetimepasswordandgiveimprovementmeasures，lightentheburdenonnodesincreasesafetyandimprovehighefficiencyKeyword：informationsecurity；authentication；onetimepassword；digitalsign姍；keyagreeme