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標題Title: An efficientandsecuritydynamicidentitybasedauthenticationprotocol for multi-serverarchitectureusingsmartcards
作者Authors: 徐苡庭,陳鈺惠..等
上傳單位Department: 資訊工程系
上傳時間Date: 2013-12-30
上傳者Author: 徐苡庭
審核單位Department: 資訊工程系
審核老師Teacher: 李南逸
檔案類型Categories: 課堂報告In-class Report
關鍵詞Keyword: Keywords: Authentication Dynamic identity Smart card Password Multi-server architecture
摘要Abstract: Generally,ifauserwantstousenumerousdifferentnetworkservices,he/shemustregisterhimself/
herselftoeveryserviceprovidingserver.Itisextremelyhardforuserstorememberthesedifferent
identitiesandpasswords.Inordertoresolvethisproblem,variousmulti-serverauthentication
protocolshavebeenproposed.Recently,Soodetal.analyzedHsiangandShih’smulti-server
authenticationprotocolandproposedanimproveddynamicidentitybasedauthenticationprotocol
for multi-serverarchitecture.Theyclaimedthattheirprotocolprovidesuser’sanonymity,mutual
authentication,thesessionkeyagreementandcanresistseveralkindsofattacks.However,through
carefulanalysis,wefindthatSoodetal.’sprotocolisstillvulnerabletoleak-of-verifierattack,stolen
smartcardattackandimpersonationattack.Besides,sincethereisnowayforthecontrolserver CS to
know therealidentityoftheuser,theauthenticationandsessionkeyagreementphaseofSoodetal.’s
protocolisincorrect.Weproposeanefficientandsecuritydynamicidentitybasedauthentication
protocolformulti-serverarchitecturethatremovestheaforementionedweaknesses.Theproposed
protocolisextremelysuitableforuseindistributedmulti-serverarchitecturesinceitprovidesuser’s
anonymity,mutualauthentication,efficient,andsecurity.

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