A novel quantum image encryption technique based on improved controlled alternated quantum walks and hyperchaotic system

Ya-jun Gao, Hong-wei Xie, Jun Zhang and Hao Zhang

Physica A: Statistical Mechanics and its Applications, 2022, vol. 598, issue C

Abstract: This paper proposes a novel quantum image encryption algorithm based on a local substitution and global permutation scheme. First, a plaintext-related secret key is generated by using a hyperchaotic system; second, the plain image is scrambled employing a block-based general Arnold transform and permutation-based special linear transform; third, S-box substitution and special linear transform are iterated multiple times until certain conditions are achieved. A novel controlled alternated quantum walks scheme is also proposed to generate substitution boxes. Numerical simulation shows that the proposed encryption scheme can effectively a encrypt plain image to an incomprehensible noise image, and is capable of resisting a variety of attacks.

Keywords: Quantum image encryption; Quantum walks; Quantum S-box substitution; Hyperchaotic system (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:598:y:2022:i:c:s0378437122002655

DOI: 10.1016/j.physa.2022.127334

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