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Cryptanalyzing an Image Cryptosystem Based on Circular Inter-Intra Pixels Bit-Level Permutation
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DOI：10.1109/ACCESS.2020.2995839.png)
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摘要
En 中文
Recently, a new image encryption algorithm based on chaos has been proposed [Circular inter-intra pixels bit-level permutation and chaos-based image encryption, Information Sciences, 355-356: 314-327, 2016]. In this paper, this image encryption algorithm was crypt-analyzed in detail. Some defects of it, such as its row-based scrambling being invalid for the special images and the lacking of diffusion operations in its processes, were pointed out. Meanwhile, two crack methods were presented in this paper. They are using only a pair of chosen plain-cipher images or a pair of known plain-cipher images to crack the image encryption algorithm. That is enough to demonstrate the image cryptosystem using this image encryption algorithm is insecure.
Keyword:
Encryption
Sensitivity
DNA
Indexes
Information entropy
Licenses
Cryptanalysis
image encryption
chosen
known plain-image attack
information security
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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