基于認證技術(shù)的數(shù)字化協(xié)同設(shè)計.pdf

1、中南大學(xué)碩士學(xué)位論文基于認證技術(shù)的數(shù)字化協(xié)同設(shè)計姓名：馮修玉申請學(xué)位級別：碩士專業(yè)：計算機應(yīng)用技術(shù)指導(dǎo)教師：施榮華20060524ABSTRACTThepopularizationofcomputerandnetworkhaslaidthefoundationfortheCSCW(computersupportedcooperativework)developingrapidlyinthedesignindustryTheCSCD(co

2、mputersupportedcooperativedesign)isatypicalapplicationoftheCSCWTheCSCDisasystemforcooperativeworkwithwhichadesigningworkisdonecooperativelybyseveraldesignersThenetworkenvironmentofCSCDisanopenoneWiththeconstantdevelopmen

3、toftheCSCD，thedesignerhasattachedgreatimportancetOthesecurityproblemofCSCDThetraditionalhand—signatureisanecessarystepfordesignindustryconfirmingthedesignfruitionThehand—signatureshowsapparentlythebiologyfeaturesVerifica

4、tionbyhand—signatureisaverifyingtechniquebasedonthebiologyfeaturesThiskindofverificationisverysafeandcanbehardlyfabricatedandattackedThepaperanalyzesthebasictheoryandstructureofverificationsystemandfindstheadvantagesandt

5、heparticularfeaturesofhand—signaturebycomparingitwiththebiologyfeatureverificationsAccordingtothesystemmodelofon—lineidentifyingandverifyingbyhand—signature，thispaperresearchesthealgorithmsofpicking，contractingandverifyi

6、ngthefeaturesofhand—signatureSecondly，thispaperalsesearchesthetheoryofCSCDbasedonwork—flowdriveandsetsupthework—flowmanagementmodelofCSCDwitllintherangeofthePaDerresearchesThirdly，CSCDsystemisinvolvedinallkindsofproblems

7、aboutcommunicationofinformation—flowandsecurityofdesignfruitionThispaperputsforwardawaythatcanbeusedtosecuredesigncommunicationandfruitionbyusingthehand—signaturefeaturesappliedtotheactualsystemAtlast，thepaperdesignsadig