Improved Cryptanalysis of CMC Chaotic Image Encryption Scheme | Zendy

Jiansheng Guo | Zendy; Lei Zhang | Zendy

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Improved Cryptanalysis of CMC Chaotic Image Encryption Scheme

Author(s) -

Jiansheng Guo,

Lei Zhang

Publication year - 2010

Publication title -

international journal of image graphics and signal processing

Language(s) - English

Resource type - Journals

eISSN - 2074-9082

pISSN - 2074-9074

DOI - 10.5815/ijigsp.2010.02.06

Subject(s) - encryption , cryptanalysis , watermarking attack , symmetric key algorithm , key space , probabilistic encryption , image (mathematics) , key (lock) , cryptography , chaotic , algorithm , multiple encryption , theoretical computer science , cipher , computer science , mathematics , linear cryptanalysis , scheme (mathematics) , deterministic encryption , computer security , public key cryptography , computer vision , artificial intelligence , mathematical analysis

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. Index Terms—Cryptanalysis; Equivalent key attack algorithm; Image encryption; Chaotic cipher

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