## IACR paper details

Title | On the security defects of an image encryption scheme |
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Booktitle | IACR Eprint archive |
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Pages | |
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Year | 2007 |
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URL | http://eprint.iacr.org/2007/397 |
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Author | Chengqing Li |
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Author | Shujun Li |
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Author | Muhammad Asim |
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Author | Juana Nunez |
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Author | Gonzalo Alvarez |
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Author | Guanrong Chen |
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Abstract |
This paper studies the security of a recently-proposed chaos-based
image encryption scheme, and points out the following problems: 1)
there exist a number of invalid keys and weak keys, and some keys
are partially equivalent for encryption/decryption; 2) given one
chosen plain-image, a subkey $K_{10}$ can be guessed with a smaller
computational complexity than that of the simple brute-force attack;
3) given at most 128 chosen plain-images, a chosen-plaintext attack
can possibly break the following part of the secret key: $\{K_i\bmod
128\}_{i=4}^{10}$, which works very well when $K_{10}$ is not too
large; 4) when $K_{10}$ is relatively small, a known-plaintext
attack can be carried out with only one known plain-image to recover
some visual information of any other plain-images encrypted by the
same key. |
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Search for the paper

@misc{eprint-2007-13677,
title={On the security defects of an image encryption scheme},
booktitle={IACR Eprint archive},
keywords={secret-key cryptography / cryptanalysis},
url={http://eprint.iacr.org/2007/397},
note={ swiftsheep@hotmail.com 13792 received 6 Oct 2007},
author={Chengqing Li and Shujun Li and Muhammad Asim and Juana Nunez and Gonzalo Alvarez and Guanrong Chen},
year=2007
}

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