An image encryption algorithm based on improved baker transformation and chaotic S-box*

被引:11
|
作者
Wang, Xing-Yuan [1 ]
Sun, Huai-Huai [1 ]
Gao, Hao [1 ]
机构
[1] Dalian Maritime Univ, Sch Informat Sci & Technol, Dalian 116026, Peoples R China
基金
中国国家自然科学基金;
关键词
image encryption; improved baker transformation; chaotic S-box; chaotic sequence; SEMI-TENSOR PRODUCT; MATRIX; SCHEME;
D O I
10.1088/1674-1056/abdea3
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The algorithm is an image encryption algorithm based on the improved baker transformation and chaotic substitution box (S-box). It mainly uses the initial values and parameters of a one-dimensional logistic chaotic system as an encryption key. Specifically, in the image scrambling stage, the algorithm primarily uses an improved baker transform method to process the image. In the image diffusion stage, the algorithm first uses the chaotic S-box method to process the encryption key. Secondly, an exclusive OR (XOR) operation is performed on the image and the encryption key to initially diffuse the image. Finally, the image is again diffused using the method of ortho XOR. Simulation analysis shows that the algorithm can achieve good encryption effect, simple and easy implementation, and good security. In the digital image communication transmission, it has good practical value.
引用
收藏
页数:10
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