A Hierarchical Bilateral-Diffusion Architecture for Color Image Encryption


Menglong Wu, Yan Li, Wenkai Liu, Journal of Information Processing Systems Vol. 18, No. 1, pp. 59-74, Feb. 2022  

10.3745/JIPS.03.0171
Keywords: Bilateral-Diffusion, Color Image Encryption, DNA Sequence Operation, Hyperchaotic System
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Abstract

During the last decade, the security of digital images has received considerable attention in various multimedia transmission schemes. However, many current cryptosystems tend to adopt a single-layer permutation or diffusion algorithm, resulting in inadequate security. A hierarchical bilateral diffusion architecture for color image encryption is proposed in response to this issue, based on a hyperchaotic system and DNA sequence operation. Primarily, two hyperchaotic systems are adopted and combined with cipher matrixes generation algorithm to overcome exhaustive attacks. Further, the proposed architecture involves designing pixel- permutation, pixel-diffusion, and DNA (deoxyribonucleic acid) based block-diffusion algorithm, considering system security and transmission efficiency. The pixel-permutation aims to reduce the correlation of adjacent pixels and provide excellent initial conditions for subsequent diffusion procedures, while the diffusion architecture confuses the image matrix in a bilateral direction with ultra-low power consumption. The proposed system achieves preferable number of pixel change rate (NPCR) and unified average changing intensity (UACI) of 99.61% and 33.46%, and a lower encryption time of 3.30 seconds, which performs better than some current image encryption algorithms. The simulated results and security analysis demonstrate that the proposed mechanism can resist various potential attacks with comparatively low computational time consumption.


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Cite this article
[APA Style]
Menglong Wu, Yan Li, & Wenkai Liu (2022). A Hierarchical Bilateral-Diffusion Architecture for Color Image Encryption. Journal of Information Processing Systems, 18(1), 59-74. DOI: 10.3745/JIPS.03.0171.

[IEEE Style]
M. Wu, Y. Li and W. Liu, "A Hierarchical Bilateral-Diffusion Architecture for Color Image Encryption," Journal of Information Processing Systems, vol. 18, no. 1, pp. 59-74, 2022. DOI: 10.3745/JIPS.03.0171.

[ACM Style]
Menglong Wu, Yan Li, and Wenkai Liu. 2022. A Hierarchical Bilateral-Diffusion Architecture for Color Image Encryption. Journal of Information Processing Systems, 18, 1, (2022), 59-74. DOI: 10.3745/JIPS.03.0171.