计算机安全-翻译(井凯)

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1、南京工程学院毕业设计文献资料翻译（原文及译文）原文名称：Computersecurity课题名称：基于Windows平台的个人防火墙研究与设计学生姓名：井凯学号：208050517指导老师：郭丽红所在系部：通信工程学院专业名称：通信工程(计算机通信)2009年3月南京11目录英文原文：3Computersecurity3Hardwaremechanismsthatprotectcomputersanddata3Secureoperatingsystems4Securityarchitecture5Securitybydesign5Earlyhistoryofsecuritybydesign

2、6Securecoding6中文翻译：8计算机安全8保护计算机和数据的硬件机制8安全的操作系统8安全架构9安全设计9早期历史的安全设计10安全代码1011英文原文：原文地址：http://en.wikipedia.org/wiki/Computer_securityComputersecurityFromWikipedia,thefreeencyclopediaThisarticleisaboutcomputersecuritythroughdesignandengineering.Computersecurityisabranchoftechnologyknownasinformatio

3、nsecurityasappliedtocomputers.Theobjectiveofcomputersecurityvariesandcanincludeprotectionofinformationfromtheftorcorruption,orthepreservationofavailability,asdefinedinthesecuritypolicy.Computersecurityimposesrequirementsoncomputersthataredifferentfrommostsystemrequirementsbecausetheyoftentakethefo

4、rmofconstraintsonwhatcomputersarenotsupposedtodo.Thismakescomputersecurityparticularlychallengingbecauseitishardenoughjusttomakecomputerprogramsdoeverythingtheyaredesignedtodocorrectly.Furthermore,negativerequirementsaredeceptivelycomplicatedtosatisfyandrequireexhaustivetestingtoverify,whichisimpr

5、acticalformostcomputerprograms.Computersecurityprovidesatechnicalstrategytoconvertnegativerequirementstopositiveenforceablerules.Forthisreason,computersecurityisoftenmoretechnicalandmathematicalthansomecomputersciencefields.Typicalapproachestoimprovingcomputersecurity(inapproximateorderofstrength)

6、canincludethefollowing:·Physicallylimitaccesstocomputerstoonlythosewhowillnotcompromisesecurity.·Hardwaremechanismsthatimposerulesoncomputerprograms,thusavoidingdependingoncomputerprogramsforcomputersecurity.·Operatingsystemmechanismsthatimposerulesonprogramstoavoidtrustingcomputerprograms.·Progra

7、mmingstrategiestomakecomputerprogramsdependableandresistsubversion.HardwaremechanismsthatprotectcomputersanddataHardwarebasedorassistedcomputersecurityoffersanalternativetosoftware-onlycomputersecurity.Devicessuc