Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31369
Title: Cryptanalysis of an image encryption scheme based on a compound chaotic sequence
Authors: Li, C
Li, S
Chen, G
Halang, WA
Keywords: Chaos
Cryptanalysis
Differential chosen-plaintext attack
Image encryption
Randomness test
Issue Date: 2009
Publisher: Elsevier Science Bv
Source: Image and vision computing, 2009, v. 27, no. 8, p. 1035-1039 How to cite?
Journal: Image and Vision Computing 
Abstract: Recently, an image encryption scheme based on a compound chaotic sequence was proposed. In this paper, the security of the scheme is studied and the following problems are found: (1) a differential chosen-plaintext attack can break the scheme with only three chosen plain-images; (2) there is a number of weak keys and some equivalent keys for encryption; (3) the scheme is not sensitive to the changes of plain-images; and (4) the compound chaotic sequence does not work as a good random number source.
URI: http://hdl.handle.net/10397/31369
DOI: 10.1016/j.imavis.2008.09.004
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