A METHOD FOR IMAGE ENCRYPTION BASED ON FRACTIONAL-ORDER HYPERCHAOTIC SYSTEMS

被引：0

作者：

He, Jianbin ^{[1
]}

Yu, Simin ^{[1
]}

Cai, Jianping ^{[2
]}

机构：

[1] Guangdong Univ Technol, Coll Automat, Guangzhou 510006, Guangdong, Peoples R China

[2] Minnan Normal Univ, Coll Math & Stat, Zhangzhou 363000, Peoples R China

来源：

JOURNAL OF APPLIED ANALYSIS AND COMPUTATION | 2015年 / 5卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Fractional order; hyperchaotic system; image encryption; security analysis; SYNCHRONIZATION; ATTRACTOR;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

By using sequences generated from fractional-order hyperchaotic systems, a color image encryption scheme is investigated. Firstly, a plain image, which is known to users in advance, is chosen as a secret key to confuse the original image. Then, the confused image is encrypted by the sequences generated from the fractional-order hyperchaotic systems. With this simple encryption method, we can get an encrypted image that is fully scrambled and diffused. For chaos-based image cryptosystems, this encryption scheme enhances the security and improves the effectiveness. Furthermore, the cryptosystem resists the differential attack. Experiments show that the algorithm is suitable for image encryption, and some statistical tests are provided to show the high security in the end.

引用

页码：197 / 209

页数：13

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