Thispaperfirstly,tothebestofourknowledge,proposedtwo-dimensional(2D)encryptionbasedontheArnoldtransformationforimplementingasecureDC-biasedopticalorthogonaltime-frequencymultiplexing(DCO-OTFM)inoptical-wirelesscommunications(OWCs).Theencrypteddataistransformedtotheparticular2Dmatrixanddecryptedbytheonlykeytogetthecorrectinformation.Meanwhile,thenumberofkeysin2Dencryptionisenormous,whichpreventseavesdroppersfromexhaustivelysearch
2023/6/8 9:29:27
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