Deciphering an image cipher based on 3-cell chaotic map and biological operations
In recent years, it is popular that the combination of chaos and DNA is employed for image ciphers. There have been a great number of image ciphers which are designed based on chaos and DNA, but the corresponding cryptanalytic works are insufficient and in-depth study should be made. In this paper,...
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Veröffentlicht in: | Nonlinear dynamics 2015-12, Vol.82 (4), p.1831-1837 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | In recent years, it is popular that the combination of chaos and DNA is employed for image ciphers. There have been a great number of image ciphers which are designed based on chaos and DNA, but the corresponding cryptanalytic works are insufficient and in-depth study should be made. In this paper, we decipher an image cipher combining a 3-cell chaotic map with DNA. It was claimed that this cipher has high security and can resist different well-known attacks. However, we demonstrate that the claim is not reasonable, since the cipher can be broken by chosen plaintext attack with the complexity
O
(
α
β
)
, where
α
and
β
represent the number of the image rows and columns, respectively. |
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ISSN: | 0924-090X 1573-269X |
DOI: | 10.1007/s11071-015-2280-1 |