CPLD-FPGA技術(shù)在分組密碼中的應用研究.pdf

1、中國科學院計算技術(shù)研究所碩士學位論文CPLDFPGA技術(shù)在分組密碼中的應用研究姓名：陳立志申請學位級別：碩士專業(yè)：計算機應用技術(shù)指導教師：戴英俠2002.6.1中嗣科學院碩士學位研究生學譴論文CPLD蜃PGA接術(shù)在玲維密碼串扮應掰研究[Abstract]ChenLizhi(ComputerApplication)DirectedbyProfDaiYingxiaWithrapiddevelopingofinformationtechnol

2、ogies，people’srequirementfortheinformationsecurityismuchhigherthanbefore，andtheimportanceofusingciphertechnologytoencryptthedatabecomesmoreprominentForthesoftwareimplementationsofblockcryptographyalgorismarehardtosurpass

3、lOOMbps，eventheDSPimplementationsalsoencounterthespeedboRleneckSoweneedtodesignhardwareimplementationsofblockcryptographyalgorismtoachievethesecurityandspeedgoals。AfeasibleandsuitablesolutionisCPLD／FPGAtechnologyItistheo

4、nlywaytoimplementtheASlCtechnologyandithassomegoodpropertiessuchasshortdevelopingperiod，meetingtherequirementsofthealgorismdesignanditssecurityWedividethispaperintotwoparts。Thefirstpartincludestwochapters，Weintroducetheb

5、asicprinciplesofCPLD／FPGAandblockcipheralgorisminchapter2andchapter3respectivelyInthesecondpartfromthearchitectureperspective，wediscusshowtoapplytheCPLD／FPGAtechnologytotheblockcipherfieldindetailFurtherweproposeseveraln

6、ewencryptionarchitectmesbasedOB凇researchworkandsomeexistingtechnologiesPart2includesfivechapters，fromchapter4tochapter8Inchapter4，WeintroduceseveralbasicarchitecturesoftheblockcipherInchapter5，wediscusstheimplementationo

7、fInterfacemodelofblockcipherusingCPLD／FPGAindetailInchapter6，wediscusstheCPLD／FPGAimplementationofEncryption／DecryptionmodelandKeySchedulemodelatlengthfromthearchitectureperspectiveInchapter7，weanalyze氌eCPL數(shù)蹬PGAimplement

8、ationofblockcipherlnstructionsetsInchapter8wediscusstheCP瓤B攘PGAimplementedschemeoffivecandidateAESciphers。Atlastinchapter9，wesummarizeourresearchworkandbringforwardourconclusion。[Keywords]BlockCipherArchitectureInstructi