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1、附件3:止式打印时,将此删除厂黑体。、冃必须二(本科毕业论文)外文文献及译文小初,黑体。厂I一厂C4、二,TimeNewRoman文献、资料题目:AdvancedEncryptionStandard文献、资料来源:期刊(著作、网络等文献、资料发表(岀版)口期:2010.3.25,院(部):管理工程学院专业:工程造价班级:价本082姓名:张三学号:2001888888指导教师:黄伟典翻译口期:2012.6.11小三,TimeNewRoman,数字、字母下同小三,宋体,f写全称,汉字卜-同外文文献:TimesNewRoman,小4号,1.
2、5倍行距黑体,小3号,1.5倍行距AdvancedEncryptionStandardTimesXewRoman,小3号,1・5倍行距Forthepastthreeyears>theNationalInstituteofStandardsandTechnology(NIST)hasbeenworkingtodevelopanewencryptionstandardtokeepgovernmentinformationsecure.Theorganizationisinthefinalstagesofanopenprocessofsel
3、ectingoneormorealgorithms>ordata-scramblingformulasforthenewAdvancedEncryptionStandard(AES)andplanstomakeadecisionbylatesummerorearlyfall.Thestandardisslatedtogointoeffectnextyear.AESisintendedtobeastronger,moreefficientsuccessortoTripleDataEncryptionStandard(3DES),whic
4、hreplacedtheagingDES,whichwascrackedinlessthanthreedaysinJuly1998."UntilwehavetheAES,3DESwillstillofferprotectionforyearstocome.Sothereisnoneedtoimmediatelyswitchover,"saysEdwardRoback.actingchiefofthecomputersecuritydivisionatNISTandchairmanoftheAESselectioncommittee.“
5、WhatAESwillofferisamoreefficientalgorithm.Itwillbeafederalstandard,butitwillbewidelyimplementedintheITcommunity.AccordingtoRoback,efficiencyoftheproposedalgorithmsismeasuredbyhowfasttheycanencryptanddecryptinformation,howfasttheycanpresentanencryptionkeyandhowmuchinform
6、ationtheycanencrypt.TheAESreviewcommitteeisalsolookingathowmuchspacethealgorithmtakesuponachipandhowmuchmemoryitrequires.RobacksaystheselectionofamoreefficientAESwillalsoresultincostsavingsandbetteruseofresources."DESwasdesignedforhardwareimplementations>andwearenowlivi
7、nginaworldofmuchmoreefficientsoftware,andwehavelearnedanawfullotaboutthedesignofalgorithms,"saysRoback.“Whenyoustartmultiplyingthiswiththebillionsofimplementationsdonedaily,thesavingonoverheadonthenetworkswillbeenormous.7在过去三年中,(美国)国家标准与技术局(N1ST)已在研究开发一种新的加密标准,以确保政府的信息安
8、全。该组织H前正处于为新的先进加密标准(AES)选择一个或几个算法或数据打乱公式的开放过程的最后阶段,并计划在夏末或秋初作岀决定。此标准内定明年实施。AES预定为比三层数据加密标准(3DES)更强、更高效的后续标准,3D