Cryptanalysis of an image encryption scheme based on a compound chaotic sequence
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 numbe...
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| Published in | Image and vision computing Vol. 27; no. 8; pp. 1035 - 1039 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
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Elsevier B.V
02.07.2009
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| 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. |
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| AbstractList | 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. |
| Author | Li, Shujun Li, Chengqing Halang, Wolfgang A. Chen, Guanrong |
| Author_xml | – sequence: 1 givenname: Chengqing surname: Li fullname: Li, Chengqing email: zjulcq@gmail.com organization: Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong, China – sequence: 2 givenname: Shujun surname: Li fullname: Li, Shujun organization: Fachbereich Informatik und Informationswissenschaft, Universität Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany – sequence: 3 givenname: Guanrong surname: Chen fullname: Chen, Guanrong organization: Department of Electronic Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong SAR, China – sequence: 4 givenname: Wolfgang A. surname: Halang fullname: Halang, Wolfgang A. organization: FernUniversität in Hagen, Lehrstuhl für Informationstechnik, 58084 Hagen, Germany |
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| SubjectTerms | Chaos Chaos theory Cryptanalysis Differential chosen-plaintext attack Encryption Equivalence Image encryption Keys Random numbers Randomness test Security Vision |
| Title | Cryptanalysis of an image encryption scheme based on a compound chaotic sequence |
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