An Image Encryption Scheme Based on DNA Sequence Operations and Chaotic System

Jarjar, Abdellatif; Abid, Abdellah; Qobbi, Younes; Kaddouhi, Samir El; Benazzi, Abdellhamid

doi:10.1007/978-3-031-26254-8_27

Cited by 2 publications

(1 citation statement)

References 16 publications

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“…The classic Vigenere encryption method depends on a predetermined (26,26) matrix that is purpose-built for the encryption of text. Additionally, Researchers described in the article [19], [20] a new encryption method that combines the Vigenere cipher with dynamic deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) sequence coding [17], [18]. First, the image to be encrypted is converted to a vector Int J Elec & Comp Eng ISSN: 2088-8708  Improved Vigenere approach incorporating pseudorandom affine functions … (Hamid El Bourakkadi) 2685 format and then mutated genetically.…”

Section: Introductionmentioning

confidence: 99%

Improved Vigenere approach incorporating pseudorandom affine functions for encrypting color images

El Bourakkadi,

Chemlal,

Tabti

et al. 2024

IJECE

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This article presents an improvement to the traditional Vigenere encryption method, specifically adapted for the encryption of color images. This enhancement relies on the use of two chaotic maps widely employed in the field of cryptography. After vectorizing the original image and calculating the initialization value, which alters the seeding pixel to trigger the encryption process, our approach integrates two new large substitution tables. These tables are linked to confusion and diffusion functions, incorporating multiple reversible pseudo-random affine functions at the pixel level. Finally, a global permutation is applied to the entire resulting vector to increase the temporal complexity of potential attacks on our system. Simulations conducted on a diverse set of images of various sizes and formats demonstrate the resilience of our approach against any unexpected attacks.

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