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Jiansheng Guo

Work place: Zhengzhou Information Science and Technology Institute, Zhengzhou, China

E-mail: tsg_31@126.com

Website:

Research Interests: Information-Theoretic Security, Information Security

Biography

Jian-sheng Guo received the Bachelor Degree from the Henan University in Henan province, Master and PhD Degree from the Zhengzhou Information and Technology Institute. His main research interests include Image encryption, Chaots theory, and Information security.

Author Articles
Improved Cryptanalysis of CMC Chaotic Image Encryption Scheme

By Jiansheng Guo Lei Zhang

DOI: https://doi.org/10.5815/ijigsp.2010.02.06, Pub. Date: 8 Dec. 2010

Recently, chaos has attracted much attention in the field of cryptography. To study the security with a known image of a symmetric image encryption scheme, the attack algorithm of equivalent key is given. We give the known image attacks under different other conditions to obtain the equivalent key. The concrete step and complexity of the attack algorithm is given. So the symmetric image encryption scheme based on 3D chaotic cat maps is not secure.

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