期刊
INFORMATION SCIENCES
卷 552, 期 -, 页码 352-364出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2020.11.045
关键词
Chaotic encryption; Topological entropy; Logistic map; q-deformation
资金
- Ministerio de Ciencia e Innovacion, Spain [MTM2017-84079-P]
This paper presents an image encryption algorithm based on a deformed chaotic map, which increases the key space size and provides a parametric region for key selection to avoid non-chaotic regions, thereby enhancing the efficiency and robustness of the encryption algorithm in resisting attacks.
A chaotic image encryption algorithm based on a deformation of the logistic map is proposed. The use of a deformed chaotic map has several advantages. In particular, we are able to not only enlarge the key space size but also describe a parametric region for the selection of a key avoiding non-chaotic regions, which is a fundamental requirement for real applications. Moreover, a security analysis of the proposed algorithm shows its efficiency and robustness in resisting attacks. (C) 2020 Elsevier Inc. All rights reserved.
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