A new RGB color image encryption scheme based on cross-channel pixel and bit scrambling using chaos
Küçük Resim Yok
Tarih
2022
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Elsevier Gmbh
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
A new RGB color image encryption algorithm is presented in this paper. The hyperchaotic two-dimensional logistic-sine-coupling map (2D-LSCM), which was previously suggested in the literature, is used in this study to generate the necessary parameters for the cross-channel pixel and bit scrambling, and the diffusion stages. The SHA-512 hash value of the plain color image is used to calculate the initial values of the map. In the pixel-level scrambling stage, a novel cross-channel scrambling method is implemented. The pixels in each channel are transformed by exchanging rows and columns between different channels according to the random sequences generated by 2D-LSCM. The four most significant bits of each channel's pixels are concatenated and circularly shifted horizontally and vertically in the cross-channel bit scrambling stage. Finally, in the diffusion stage, each channel's scrambled pixels are diffused using the diffusion sequences that are controlled by the control sequences. To assess the security performance of the presented method, several analyses such as key sensitivity analysis, statistical analysis, information entropy analysis, differential attack analysis, and noise & data loss analysis are performed. The experimental analyses and comparisons with other methods show that the proposed method can be used to efficiently encrypt color images.
Açıklama
Anahtar Kelimeler
Bit-Level Permutation, Color Image, Cross-Channel Scrambling, Hyperchaos, Image Encryption
Kaynak
Optik
WoS Q Değeri
Q2
Scopus Q Değeri
Q2
Cilt
265
