Spatiotemporal chaos in cross coupled map lattice with dynamic coupling coefficient and its application in bit-level color image encryption

Mingxu Wang, Xingyuan Wang, Chunpeng Wang, Zhiqiu Xia, Hongyu Zhao, Suo Gao, Shuang Zhou and Nianmin Yao

Chaos, Solitons & Fractals, 2020, vol. 139, issue C

Abstract: This paper proposes a novel tent-dynamic cross coupled map lattice (TDCCML) by introducing the dynamic coupling coefficient. A large number of theoretical analysis and experiments prove that it has a larger parameter space and better chaotic property compared with the original cross coupled map lattice (CCML), which is highly suitable for chaos-based image encryption. Moreover, this paper proposes a bit-level color image encryption scheme using TDCCML, and demonstrates the good chaotic behavior of TDCCML from the aspect of encryption performance against the common types of attacks.

Keywords: Tent-dynamic; Dynamic coupling coefficient; CCML; Bit-level color image encryption (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:139:y:2020:i:c:s0960077920304264

DOI: 10.1016/j.chaos.2020.110028

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