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Image encryption using block cipher and chaotic sequences
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DOI：10.1016/j.image.2019.08.014.png)
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Abstract
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Encryption of data with high correlation, such as images, is a challenge for block ciphers, since patterns of the original image may remain after encryption. This is due to the deterministic mapping performed by the cipher. To overcome this limitation, a block cipher is used in an adequate mode of operation, such as cipher block chaining, counter mode. It is presented in this work randomized block ciphers inspired by the Rijndael architecture employing chaotic maps as an entropy source. It is shown that the proposal achieves good security and robustness indicators with fewer rounds compared to that obtained with the Rijndael algorithm.
Keywords:
Advanced encryption standard
Block cipher
Chaotic maps
Image encryption
Security
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