Image encryption algorithm using dynamic permutation and large chaotic S-box

In this paper, a new image encryption algorithm is proposed by using the chaotic maps. This cryptosystem is used to encrypt the color images of any size using a dynamic permutation and a large substitution table. The permutation is used to perform the first phase of the encryption process. This perm...

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Vydáno v:Multimedia tools and applications Ročník 82; číslo 12; s. 18545 - 18564
Hlavní autoři: Qobbi, Younes, Jarjar, Abdellatif, Essaid, Mohamed, Benazzi, Abdelhamid
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York Springer US 01.05.2023
Springer Nature B.V
Témata:
Algorithms
Color imagery
Computer Communication Networks
Computer Science
Data Structures and Information Theory
Encryption
Multimedia Information Systems
Permutations
Pixels
Special Purpose and Application-Based Systems
Substitutes
Image encryption
Encryption process
Chaotic map
Substitution
Permutation
Plain image
ISSN:1380-7501, 1573-7721
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Popis
Shrnutí:In this paper, a new image encryption algorithm is proposed by using the chaotic maps. This cryptosystem is used to encrypt the color images of any size using a dynamic permutation and a large substitution table. The permutation is used to perform the first phase of the encryption process. This permutation is generated by using three parameters calculated from the pixel’s values of three color channels (Red, Green and Blue) of the plaintext image. The second phase consists to make a substitution of the pixels of each channel using a large substitution table generated by three chaotic permutations, chaotic control vector and chaotic rotation vector. In order to increase the avalanche effect of our system, an enhanced cipher block chaining ECBC is used. The results obtained after several simulations carried out by our algorithm on images of different sizes, prove the security of our algorithm against statistical, brutal and differential attacks.
Bibliografie:ObjectType-Article-1
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ISSN:1380-7501
1573-7721
DOI:10.1007/s11042-022-14175-2