Technology of Information Security
|
App. Res. of Comp. Printed Article
Vol. 37, 2020 No. 11
3433-3436

Four-dimensional chaotic system and its application in image encryption

Yang Kexin
Wu Zhaohui
Hao Ruibin
Si Yungong
Zang Hongyan
School of Mathematics & Physics, University of Science & Technology Beijing, Beijing 100083, China
DOI: 10.19734/j.issn.1001-3695.2019.04.0231

Abstract

The traditional image encryption algorithms based on low-dimensional chaotic systems often have the problems on small key space and poor security. Aiming at these problems, firstly, this paper proposed a new class of four-dimensional discrete chaotic systems with unstable equilibrium points. Then it used numerical simulation method to analyze the dynamic behavior of the systems, and the number of positive Lyapunov exponents reached three. Then based on the new chaotic systems, this paper designed a new image encryption scheme. Furthermore, It analyzed the security of the algorithm scheme through the distribution histogram, correlation coefficient, information entropy and the sensitivity of this encryption scheme to the parameters. The results show that the encryption scheme has strong resistance to external attack, has a key space up to 2996and is highly secure.

Foundation Support

中央高校基本科研业务费专项资金资助项目(06108236)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.04.0231
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 11
Section: Technology of Information Security
Pages: 3433-3436
Serial Number: 1001-3695(2020)11-047-3433-04

Publish History

[2020-11-05] Printed Article

Cite This Article

杨可心, 吴昭辉, 郝瑞斌, 等. 四维混沌系统及其在图像加密中的应用 [J]. 计算机应用研究, 2020, 37 (11): 3433-3436. (Yang Kexin, Wu Zhaohui, Hao Ruibin, et al. Four-dimensional chaotic system and its application in image encryption [J]. Application Research of Computers, 2020, 37 (11): 3433-3436. )

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  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

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