Secured Transmission of Clinical Signals Using Hyperchaotic DNA Confusion and Diffusion Transform

Secured transmission of electrophysiological signals is one of the crucial requirements in telemedicine, telemonitoring, cardiovascular disease diagnosis (CVD) and telecardiology applications. The chaotic systems have good potential in secured transmission of ECG/EEG signalsduetotheirinherentcharacteristicsrelevanttocryptography.Thisarticleintroducesanew cryptosystemforclinicalsignalssuchaselectrocardiograms(ECG)andelectroencephalograms (EEG) based on hyperchaotic DNA confusion and diffusion transform (HC-DNA-CDT). The algorithmusesahyperchaoticsystemwithcubicnonlinearityanddeoxyribonucleicacid(DNA) encodingrules.Theperformanceofthecryptosystemisevaluatedfordifferentclinicalsignalsusing differentencryption/decryptionqualitymetrics.Simulationandcomparisonresultsshowthatthe cryptosystemyieldgoodencryptionresultsandisabletoresistvariouscryptographicattacks.The proposedalgorithmcanalsobeusedinpicturearchivingandcommunicationsystems(PACS)to provideanefficientsharingofmedicalimageoverthenetworks. KeywoRDS CBC, Chaos, Confusion, Diffusion, ECG, EEG, Encryption, HC-DNA-CDT, Telemedicine

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