Journal
MULTIMEDIA TOOLS AND APPLICATIONS
Volume 80, Issue 15, Pages 23319-23335Publisher
SPRINGER
DOI: 10.1007/s11042-021-10527-6
Keywords
Image fusion; Image encryption; DNA; Hyper map; Performance analysis
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This paper introduces an efficient image encryption method inspired by DNA nitrogenous bases, which is highly sensitive to various attacks. It utilizes chaotic and hyper-chaotic maps, as well as a wavelet confusion algorithm, to produce a secure encrypted image with better results compared to other conventional methods.
This paper introduces an efficient image encryption method which is inspired by Deoxyribo Nucleic Acid (DNA) nitrogenous bases. Amongst its advantages is that it is highly sensitive to many types of attacks. A confused version of an image (using a simple chaotic map) is DNA coded using its four types of nitrogenous bases. The resultant image made of DNA sequences is transformed into four sub-images A, C, G, and T, DNA's bases. Chen's hyper-chaotic map is used to diffuse the resultant images, according to a control code. The four DNA images are then combined using a wavelet confusion algorithm to produce an encrypted image. Numerical simulation was used to examine the effectiveness of the encrypted image against different attacks. The results were compared to those of other encryption algorithms and proved that the proposed encryption method delivers better results than other conventional ones including DNA based with different chaotic maps and double random phase encoding.
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