網絡隔離系統(tǒng)研究.pdf

1、西北工業(yè)大學碩士學位論文網絡隔離系統(tǒng)研究姓名：高健申請學位級別：碩士專業(yè)：模式識別與智能系統(tǒng)指導教師：戴冠中20030312ABSTRACTWiththedevelopmentofInteract，networktamstobeanimportantroleinalmostanyfieldsofoursocietyTherefore，theinformationsecurityisbeetmingmoreandmoreimportant

2、AndtheinformationsecurityissuesinIntranethavebecomeasignificantresearchfieldGAPtechniquehasitsowncharacteristicdesignmethodItcanprovideahigh—levelprotectiononIntranetagainstpossibleattacksTheresearchofthethesisisfundedby

3、national863projectnamed“Thenetworkisolationandsecarehigh—speedtransfertechniquebasedonASICchip”Themaincontributionsofthethesisaleasfollows1)SeveraladvancedGAPtechniquesareinvestigatedfirstlyThenwedevelopadual—buffer—hase

4、dswitchsystemwhichhasallarchitecture廿1atCalleffectivelyisolateIntranet舯dIntemetandattheSal／『】tBtimetransferinformationwithhighspeedbetweenthetWOnetworks2)ThecryptologicalproblemsinvolvedinthedevelopmentoftheGAPsystemares

5、tudiedfromtheaspectsofhashfunction，messageauthenticationandkeygenerationTheMD5hashfunctionandHMAC(HashMessageAuthenticationCodes)，aredeeplystudied，andthetestresultofHMACispresented3)Therequirementandthedesignofthesoftwar

6、eforGAPsystemaregivenbasedonthesystemarchitectureandpartitionofsystemfunctionMainfunctionmodulesofthedataflowthemailboxesbetweenthemodulesandthemessageformatthroughthemailboxeshavebeenstudiedAdditionallythehardwaredriver

7、programbasedonWINDOWSNThasbeenstudied4)AccordingtotherequirementofthehardwareofGAPsystem。framework“thehardwaresystemhasbeendesignedandthemaincomponentsarBstudiedKeywords：informationsecurityGaptechnologynetworkisolationAS