Digital image encryption using chaotic DNA encoding in frequency-domain

Mengmeng Guan; Xuelin Yang; Weisheng Hu

doi:10.1117/12.2524325

6 May 2019 Digital image encryption using chaotic DNA encoding in frequency-domain

Mengmeng Guan, Xuelin Yang, Weisheng Hu

Proceedings Volume 11069, Tenth International Conference on Graphics and Image Processing (ICGIP 2018); 110691Y (2019) https://doi.org/10.1117/12.2524325
Event: Tenth International Conference on Graphic and Image Processing (ICGIP 2018), 2018, Chengdu, China

Abstract

This paper proposes a digital image encryption algorithm based on dynamic DNA encoding and operations using hyper digital chaos in frequency-domain. The chaotic DNA encoding and operations are applied to diffuse and scramble both of the amplitude and phase components in frequency-domain. The proposed multi-fold encryption algorithm is evaluated via numerical verification, in which the ideal performances of the encrypted images are achieved, in terms of uniformity in histogram, entropy as well as correlation. The results show that, since the chaotic diffusion and scrambling are introduced in the proposed encryption, each cipher-pixel is influenced by all of the plain and cipher-pixels, which improves the plain-text sensitivity of the encrypted image, and the secure performances against the differential attacks. Moreover, high security level of the encrypted image is achieved with a huge key space, due to the extremely high sensitivity of hyper digital chaos applied in the proposed encryption scheme, therefore it has the strong capability to resist brute-force attacks. In addition, the statistical characteristic of the original image is destroyed completely, thus it improves the security against the statistical attacks.

Citation Download Citation

Mengmeng Guan, Xuelin Yang, and Weisheng Hu "Digital image encryption using chaotic DNA encoding in frequency-domain", Proc. SPIE 11069, Tenth International Conference on Graphics and Image Processing (ICGIP 2018), 110691Y (6 May 2019); https://doi.org/10.1117/12.2524325

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KEYWORDS

Image encryption

Computer programming

Computer security

Chaos

Digital imaging

Data communications

Diffusion

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