A novel image encryption algorithm based on genetic recombination and hyper-chaotic systems

被引：123
|
作者：
Wang, Xingyuan [1 ]
Zhang, Hui-li [1 ]
机构：
[1] Dalian Univ Technol, Fac Elect Informat & Elect Engn, Dalian 116024, Peoples R China
来源：
NONLINEAR DYNAMICS | 2016年 / 83卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Image encryption; Genetic recombination; Bit-plane level; Hyper-chaos; DNA-SEQUENCE; CRYPTANALYSIS;
D O I：
10.1007/s11071-015-2330-8
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, a novel image encryption algorithm based on genetic recombination and hyper-chaotic system is proposed. The basic rules of genetic recombination are employed to scramble images because of its effectiveness. Specifically, the plain image is expanded into two compound images composed of selected four bit-planes and diffuse them at bit-plane level, the compound bit-planes and key streams are reconstructed based on the principles of genetic recombination, then perform traditional diffusion and obtain cipher images. The hyper-chaotic Lorenz system in this algorithm generates pseudorandom sequences in each phase. The experiment results and analysis have proved that the novel image encryption algorithm is effective for image encryption.
引用
收藏
页码：333 / 346
页数：14
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