Cryptanalysis of an image encryption scheme based on a new total shuffling algorithm |
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| Authors: | David Arroyo Chengqing Li Shujun Li Gonzalo Alvarez Wolfgang A Halang |
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| Institution: | aInstituto de Física Aplicada, Consejo Superior de Investigaciones Científicas, Serrano 144, 28006 Madrid, Spain;bDepartment of Electronic Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong SAR, China;cFernUniversität in Hagen, Chair of Computer Engineering, 58084 Hagen, Germany |
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| Abstract: | Chaotic systems have been broadly exploited through the last two decades to build encryption methods. Recently, two new image encryption schemes have been proposed, where the encryption process involves a permutation operation and an XOR-like transformation of the shuffled pixels, which are controlled by three chaotic systems. This paper discusses some defects of the schemes and how to break them with a chosen-plaintext attack. |
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