1、武漢理工大學碩士學位論文建設工程網(wǎng)上招投標系統(tǒng)安全問題的研究姓名：金濤申請學位級別：碩士專業(yè)：管理科學與工程指導教師：宋德昌20050501武漢理工大學碩士學位論文AbstractWiththedevelopmentoftheIntemet，theElectronicBusinessdevelopsrapidly，ThesecuritywhichisthekeyfactortothedevelopmentoftheElectronicB

2、usinessisbecomingmoreandmoreimportantThispaperpresentsmyworkonthestudyofthesecurityofthebidonlinesysteminthefieldofconstructionprojectThecontentsare：1)Thebackgroundoftheresearch。2)TheencryptingtechnologyItisthecoretechno

3、logyonassuringinformationsafethatothertechnologiesarebasedonHerethefoundationofthecryptologysymmetricalencryptingsystem，unsymmetricalencryptingsystem3)ThePKI(PublicKeyInfrastructure)／CA(CertificateAuthority)frame，ThePKI／

4、CAsupportsauthentication，confidentialityintegralityandundeniabliltyBasedonSSL(SecureSocketLay)protocol，thePKI／CAcombinesthesymmetricalencryptingtechnologyandunsymmetricalencryptingtechnologyandprovidesaframefortheimpleme

5、ntationofthesecurity4≥Thewholegoaloperationflow莪稻髓a端hy，托ndions，designschemeanddevelopmentenvironmentoftheElectronicTenderingSysteminthefieldofproject5Thedesignandimplementationofthesecuritysub—system通theElectronicTenderi

6、ngSystemThischapterdescribeshowacertainPKI／CAsystemisimplemented，includingtherequirementanalysis，thesafetyschemedesign，theusingofthecertificatestheclientsafetytheserversafetyandthesecurityatthetimeofunsealingthebiddingfi

7、les，ThesecurityimplementationofthissystemisbasedonPKI／CAThePKI／CAframerealizesthecreatingsmring，issuingrecallingcertificatesSOastOprovideintegrityandidentityauthenticationforthesystemKeywords：E—Commerce，bidonline，encrypt