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

Jianbin He; Simin Yu; Jianping Cai

doi:10.11948/2015018

2015 Volume 5 Issue 2

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Jianbin He, Simin Yu, Jianping Cai. A METHOD FOR IMAGE ENCRYPTION BASED ON FRACTIONAL-ORDER HYPERCHAOTIC SYSTEMS[J]. Journal of Applied Analysis & Computation, 2015, 5(2): 197-209. doi: 10.11948/2015018

Citation:

Jianbin He, Simin Yu, Jianping Cai. A METHOD FOR IMAGE ENCRYPTION BASED ON FRACTIONAL-ORDER HYPERCHAOTIC SYSTEMS[J]. Journal of Applied Analysis & Computation, 2015, 5(2): 197-209. doi: 10.11948/2015018

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

1 College of Automation, Guangdong University of Technology, 510006 Guangzhou, China;
2 College of Mathematics and Statistics, Minnan Normal University, 363000 Zhangzhou, China

Fund Project:

Abstract

Abstract

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.
- Fractional order /
- hyperchaotic system /
- image encryption /
- security analysis
MSC: 34C28;94A60;68P30

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References

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