排列碼加密優(yōu)盤軟件設計.pdf

1、河北工業(yè)大學碩士學位論文排列碼加密優(yōu)盤軟件設計姓名：李靜申請學位級別：碩士專業(yè)：計算機應用技術指導教師：武金木20071101排列碼加密優(yōu)盤軟件設計iiSOFTWAREDESIGNOFENCRYPTEDUDISKBASEDONPERMUTATIONCODEABSTRACTTheUdiskhasbecomeadatastagedevicewhichispopularwiththelargeconsumerCurrentlybecauseo

2、ftheadvantageoftakingconvenientlythequickspeedoftransferlinkflexiblyetc.ButthedataofcommonUdiskiswrittenreadwithplaintextlackingofessentialsafetymeasuresoitiseasythatbetrayingimptantmessage.Therefeitneedsassurethesafetyo

3、finfmationintheUdisktoacertaindegreebyencryptingUdisk.ThetextoffersahardwaredataencryptingUdiskprojectbasedonpermutationcodearithmeticwhichiscounteringtheinsufficiencyofUdiskencryptionaftertheresearchonthetechniquesofthe

4、commonencryptingarithmeticUdiskencryption.ThehardwareencryptionofUdiskdataisproceedingduringthedatatransmissionintheprojectmakingthedataiswrittenwithcryptographfmatfinallythenrealizingthehidingofinfmationmakingtheillegal

5、customercan’tobtainthetruecontentssoitisassuringthesecurityintegralityreliabilityofthedata.Theprojectnotonlygoesfwardiginalfunctionprossessedfunctionexpansionofsecuritybutalsoadoptsthepermutationcodearithmeticofhardwarer

6、ealizingsimpleencryptingquicklyrealizedwithhardwarecompletelymanipulationissimplethespeedofencryptionisfast.Thetextresearchestheencrpytionprojectfromtheaspectofencrpytiontechniquessoftwaredesign.Intheaspectofencrpytionte

7、chniquesitanalysestheDESarithmeticRSAarithmeticpermutationcodearithmeticseriouslyconsequentlyeducingthatpermutationcodearithmetichasacertainextentadvantageatencryptingcapability.Intheaspectofsoftwaredesignitprocessesdesi