Colour image encryption algorithm combining Arnold map, DNA sequence operation, and a Mandelbrot set

The third party misuse and manipulation of digital images is a threat to security and privacy of human subjects. The requirements to fulfil the security needs of digital images have led to the development of good encryption techniques. The proposed method of encryption scheme combines the techniques...

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Veröffentlicht in:Journal of information security and applications Jg. 50; S. 102428
Hauptverfasser: Jithin, K.C., Sankar, Syam
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 01.02.2020
Schlagworte:
Chaotic encryption
DNA encryption
Image encryption
Mandelbrot set
DNA encryption
Image encryption
Mandelbrot set
Chaotic encryption
ISSN:2214-2126
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Beschreibung
Zusammenfassung:The third party misuse and manipulation of digital images is a threat to security and privacy of human subjects. The requirements to fulfil the security needs of digital images have led to the development of good encryption techniques. The proposed method of encryption scheme combines the techniques of chaotic image encryption and DNA (Deoxyribonucleic Acid) sequence operations. The encryption mechanism is applied separately on three channels (R, G and B) of the colour image with a suitable chaotic map. The map selection algorithm selects a good chaotic map based on image properties and other parameters. A method of DNA encoding is also applied after chaotic encryption. A new Mandelbrot Set based conditional shift algorithm is introduced to apply confusion effectively on R, G and B channels. Simulation and security analysis confirm that the proposed image encryption scheme demonstrates extraordinary performance in terms of security.
ISSN:2214-2126
DOI:10.1016/j.jisa.2019.102428