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1、146IEEETRANSACTIONSONCIRCUITSANDSYSTEMSII:EXPRESSBRIEFS,VOL.57,NO.2,FEBRUARY2010SimultaneousArithmeticCodingandEncryptionUsingChaoticMapsKwok-WoWong,SeniorMember,IEEE,QiuzhenLin,andJianyongChenAbstract—BasedontheobservationthatiteratingaskewtentInrecentyears,someapproaches[11][13]utilizingchaot
2、icmapreverselyisequivalenttoarithmeticcoding,asimultaneoussystemsforsourcecoding,particularlyarithmeticcoding,havecompressionandencryptionschemeisproposedinwhichthebeensuggested.However,theydidnotinvestigatetherela-chaoticmapmodelforarithmeticcodingisdeterminedbyasecrettionshipbetweenthesetwoar
3、eas,butjustemployedchaotickeyandkeepschanging.Moreover,thecompressedsequenceissystemsaspseudorandombitstreamgenerators.Moreover,amaskedbyapseudorandomkeystreamgeneratedbyanotherchaoticmap.Thistwo-levelprotectionenhancesitssecuritylevel,designfaultofthechaos-basedadaptivearithmeticcodingwhichres
4、ultsinhighkeyandplaintextsensitivities.Thecompres-scheme[11]hasbeenrecentlyfound,andamodifiedapproachsionperformanceofourschemeiscomparablewitharithmeticwassuggested[14].Unfortunately,themodifiedversionisalsocodingandapproachesShannon’sentropylimit.vulnerabletochosen-plaintextattack[14].Therelati
5、onshipIndexTerms—Arithmeticcoding,chaoticmap,simultaneousbetweenarithmeticcodingandchaoticmapswasstudiedincompressionandencryption.[15]and[16].In[15],arithmeticcodingisfoundequivalenttofindingthebestinitialconditionforiteratingachaoticmaptogenerateasymbolicsequencecorrespondingtothesourceI.INTRO
6、DUCTIONmessage.In[16],sourcecodingandchaoticsystemsarerelatedRADITIONALLY,sourcecodingandencryptionareper-toeachotherbytreatingmessagesemittedbyindependentandTformedoneafteranothertoreducethedatavolumewhileidenticallydistributedsourcesassymbolsequencesofachaoticmaintaininginformationsecrecy.Aty
7、picalexampleisthenonlineardynamicalsystemknownasthegeneralizedLurothcompressionofaprivatephotousingJPEGformatandthenseries(GLS).ItisproventhatGLSachievesShannonsentropytheencryptionofthecompressedfileusingtheAdvancedboundandisagene
