Principle of image encrypting algorithm based on magic cube transformation

Authors:
Li Zhang;Shiming Ji;Yi Xie;Qiaoling Yuan;Yuehua Wan;Guanjun Bao
Affiliations:
Zhejiang University of Technology, Hangzhou, China;Zhejiang University of Technology, Hangzhou, China;Zhejiang Gongshang University, Hangzhou, China;Zhejiang University of Technology, Hangzhou, China;Zhejiang University of Technology, Hangzhou, China;Zhejiang University of Technology, Hangzhou, China
Venue:
CIS'05 Proceedings of the 2005 international conference on Computational Intelligence and Security - Volume Part II
Year:
2005

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Abstract

A new method for digital image scrambling transformation, namely Magic Cube Transformation, was proposed and its principle was introduced. Combined with the Logistic mapping in non-linear dynamics system, an image encrypting and decrypting algorithm based on Magic Cube Transformation was designed. A natural chaotic sequence was created with the key. The image matrix was transformed with this chaotic sequence, using the Magic Cube Transformation. Then an encrypted image was resulted. The decrypting operation was the reverse process of encryption. The experimental results indicate that the proposed algorithm can get satisfying effect. Finally, the characteristics of the algorithm were summarized and the aspects of the subsequent work were prospected.