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Journal of Electrical and Computer Engineering
Volume 2016, Article ID 4138654, 14 pages
http://dx.doi.org/10.1155/2016/4138654
Research Article

Image Blocking Encryption Algorithm Based on Laser Chaos Synchronization

1Department of Nationalities, Huanghe Science and Technology College, Zhengzhou 450053, China
2Department of Information Engineering, Henan Polytechnic, Zhengzhou 450046, China
3College of Mathematics and Science, Lanzhou Jiaotong University, Lanzhou 730070, China
4Department of Mathematics and Physics, Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou 450015, China

Received 27 May 2016; Accepted 10 July 2016

Academic Editor: Wen Chen

Copyright © 2016 Shu-Ying Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In view of the digital image transmission security, based on laser chaos synchronization and Arnold cat map, a novel image encryption scheme is proposed. Based on pixel values of plain image a parameter is generated to influence the secret key. Sequences of the drive system and response system are pretreated by the same method and make image blocking encryption scheme for plain image. Finally, pixels position are scrambled by general Arnold transformation. In decryption process, the chaotic synchronization accuracy is fully considered and the relationship between the effect of synchronization and decryption is analyzed, which has characteristics of high precision, higher efficiency, simplicity, flexibility, and better controllability. The experimental results show that the encryption algorithm image has high security and good antijamming performance.