安全組播通信控制的研究.pdf

1、學(xué)校代號(hào)：學(xué)號(hào)：密級(jí)：10532S03102056普通湖南大學(xué)碩士學(xué)位論文y892613安全組播通信控制的研究芏僮里煎厶蝰芻!囪函昱婭熊務(wù)殛驅(qū)整；盟奎壹熬援埴羞望焦!讓篡扭皇遁擅堂陸童些名整!讓簋扭廛?chē)伎臼揖鸶G目期；2QQ生目15目j金塞釜掰旦期；2QQ生!縣22目簦避耋雖盒圭壓；登星盟煎擐童耋塞堡鎏堡堡型墼2耋ABSTRACTMulticastiSanewdatatransfermodelIthasaverybrllliantfu

2、tureIGMPthatusedtomaintaingroupmembershipdoesn’tprovideabilityofaccesscontr01AnyonethatgotspecifiedmulticastaddresscanjointhegroupcommunicationwithoutanyauthorizationandreceivedatapacketsAdversarywillcaptureplaintextinda

3、tapacketsfrommulticastcommunicationeasilyAllthedatapacketsinthoseapplicationsthatrequiresecurecommunicationshouldbeencryptedtoprohibitnonauthorizedaccessBecauseOftheproblemsmentionedabove，thispaperanalysesandsummarizesso

4、meexistedgroupkeymanagementschemes，proposesanewschemeforsingledataresourceandamultiprivilegedcontrolschemeThispaperintroducesconceptsofmulticastfirstly，itanalysessometypicalgroupkeymanagementschemesthatincludeLKH，TGDHand

5、IOLUSandsummarizedtheadvantages，disadvantagesoftheseschemesThen，basedonthelogicalkeytreeschemes，weproposeagroupkeymanagementschemebasedoncompletebinarytreeThisschemecombingtheadvantagesofcentralizedanddistributedkeymanag

6、ementschemesItusesGCtogenerateandupdategroupkey，usescompletebinarytreetostoresgroupmembersanddelivergroupkeyItimplementsforwardandbackwardconfidentialityandexploitscomputationabilityofallgroupmembersefficiently，reduceslo

7、adofserverAtthesametime，itreducesstorage，computationloadsofgroupmembersremarkablySecondly，thispaperproposesamultiprivilegedaccesscontrolschemetosolvetheproblemthatmostofmulticastgroupkeymanagementscanonlydealwithsingleda

8、tastream，usingtheseschemestodealwithmultipledatasteamswillleadtooverlapofdata，whichinduceslargewasteofnetworkresourcesThisschemeadaptsservicegrouptoclassifygroupmembersandusescompletebinarytreeschemetoupdatethekeythatenc