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ID:42749140
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时间:2019-09-21
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1、本科毕业设计小初,黑体。小三,TimeNewRoman外文文献及译文文献、资料题目:AdvancedEncryptionStandard小三,宋体,写全称,汉字下同文献、资料来源:期刊(著作、网络等)文献、资料发表(出版)日期:2000.3.25小三,TimeNewRoman,数字、字母下同院(部):土木工程学院专业:土木工程班级:土木013姓名:张三学号:2001888888指导教师:张九光翻译日期:2005.6.30山东建筑大学毕业设计外文文献及译文TimesNewRoman,小4号,1.5倍行距黑体,小3号,1.5倍行距TimesNewRoman,小3号,
2、1.5倍行距页眉:黑体,5号,居中外文文献: AdvancedEncryptionStandardForthepastthreeyears,theNationalInstituteofStandardsandTechnology(NIST)hasbeenworkingtodevelopanewencryptionstandardtokeepgovernmentinformationsecure.Theorganizationisinthefinalstagesofanopenprocessofselectingoneormorealgorithms,ordata
3、-scramblingformulas,forthenewAdvancedEncryptionStandard(AES)andplanstomakeadecisionbylatesummerorearlyfall.Thestandardisslatedtogointoeffectnextyear.AESisintendedtobeastronger,moreefficientsuccessortoTripleDataEncryptionStandard(3DES),whichreplacedtheagingDES,whichwascrackedinlesstha
4、nthreedaysinJuly1998.“UntilwehavetheAES,3DESwillstillofferprotectionforyearstocome.Sothereisnoneedtoimmediatelyswitchover,”saysEdwardRoback,actingchiefofthecomputersecuritydivisionatNISTandchairmanoftheAESselectioncommittee.“WhatAESwillofferisamoreefficientalgorithm.Itwillbeafederals
5、tandard,butitwillbewidelyimplementedintheITcommunity.”AccordingtoRoback,efficiencyoftheproposedalgorithmsismeasuredbyhowfasttheycanencryptanddecryptinformation,howfasttheycanpresentanencryptionkeyandhowmuchinformationtheycanencrypt.TheAESreviewcommitteeisalsolookingathowmuchspacethea
6、lgorithmtakesuponachipandhowmuchmemoryitrequires.RobacksaystheselectionofamoreefficientAESwillalsoresultincostsavingsandbetteruseofresources.“DESwasdesignedforhardwareimplementations,andwearenowlivinginaworldofmuchmoreefficientsoftware,andwehavelearnedanawfullotaboutthedesignofalgori
7、thms,”saysRoback.“Whenyoustartmultiplyingthiswiththebillionsofimplementationsdonedaily,thesavingonoverheadonthenetworkswillbeenormous.”……页码用阿拉伯数字连续编排,字体TimesNewRoman,小5号-2-山东建筑大学毕业设计外文文献及译文宋体,小4号,1.5倍行距黑体,小3号,1.5倍行距黑体,小3号,居中,1.5倍行距中文译文:先进加密标准在过去三年中,(美国)国家标准与技术局(NIST)已在研究开发一种新的加密标准,以确
8、保政府的信息安全。该组织
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