Publikation: On the security defects of an image encryption scheme
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2009
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Image and Vision Computing. 2009, 27(9), pp. 1371-1381. Available under: doi: 10.1016/j.imavis.2008.12.008
Zusammenfassung
This paper studies the previous termsecuritynext term of a recently-proposed chaos-based previous termimagenext term 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-previous termimage,next term a subkey K10 can be guessed with a smaller computational complexity than that of the simple brute-force attack; (3) given at most 128 chosen plain-previous termimages,next term a chosen-plaintext attack can possibly break the following part of the secret key: View the MathML source, which works very well when K10 is not too large; (4) when K10 is relatively small, a known-plaintext attack can be carried out with only one known plain-previous termimagenext term to recover some visual information of any other plain-previous termimagesnext term encrypted by the same key
Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
004 Informatik
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cryptanalysis, image encryption, chaos, known-plaintext attack, chosen-plaintext attack
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undefined / . - undefined, undefined
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LI, Chengqing, Shujun LI, Muhammad ASIM, Juana NUNEZ, Gonzalo ALVAREZ, Guanrong CHEN, 2009. On the security defects of an image encryption scheme. In: Image and Vision Computing. 2009, 27(9), pp. 1371-1381. Available under: doi: 10.1016/j.imavis.2008.12.008BibTex
@article{Li2009secur-6277,
year={2009},
doi={10.1016/j.imavis.2008.12.008},
title={On the security defects of an image encryption scheme},
number={9},
volume={27},
journal={Image and Vision Computing},
pages={1371--1381},
author={Li, Chengqing and Li, Shujun and Asim, Muhammad and Nunez, Juana and Alvarez, Gonzalo and Chen, Guanrong}
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<dcterms:abstract xml:lang="eng">This paper studies the previous termsecuritynext term of a recently-proposed chaos-based previous termimagenext term 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-previous termimage,next term a subkey K10 can be guessed with a smaller computational complexity than that of the simple brute-force attack; (3) given at most 128 chosen plain-previous termimages,next term a chosen-plaintext attack can possibly break the following part of the secret key: View the MathML source, which works very well when K10 is not too large; (4) when K10 is relatively small, a known-plaintext attack can be carried out with only one known plain-previous termimagenext term to recover some visual information of any other plain-previous termimagesnext term encrypted by the same key</dcterms:abstract>
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