ScienceDirect - Journal of Systems and Software : On the security of the Yen–Guo’s domino signal encryption algorithm (DSEA)

Journal of Systems and Software
Volume 79, Issue 2, February 2006, Pages 253-258

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doi:10.1016/j.jss.2005.04.021

On the security of the Yen–Guo’s domino signal encryption algorithm (DSEA)

Chengqing Li^a^,, Shujun Li^b^,^,^,, Der-Chyuan Lou^c^, and Dan Zhang^d^,

^aDepartment of Mathematics, Zhejiang University, Hangzhou 310027, China ^bDepartment of Electronic Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong, China ^cDepartment of Electrical Engineering, Chung Cheng Institute of Technology, National Defense University, Taiwan, China ^dCollege of Computer Science, Zhejiang University, Hangzhou 310027, China

Received 21 October 2004;

revised 4 April 2005;

accepted 13 April 2005.

Available online 1 June 2005.

Referred to by:		Erratum to “On the security of the Yen-Guo’s domino signal encryption algorithm (DSEA)” [The Journal of Systems and Software 79 (2006) 253–258] Journal of Systems and Software, Volume 79, Issue 12, December 2006, Page 1789 Chengqing Li, Shujun Li, Der-Chyuan Lou, Dan Zhang PDF (66 K)

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Abstract

Recently, a new domino signal encryption algorithm (DSEA) was proposed for digital signal transmission, especially for digital images and videos. This paper analyzes the security of DSEA, and points out the following weaknesses: (1) its security against the brute-force attack was overestimated; (2) it is not sufficiently secure against ciphertext-only attacks, and only one ciphertext is enough to get some information about the plaintext and to break the value of a sub-key; (3) it is insecure against known/chosen-plaintext attacks, in the sense that the secret key can be recovered from a number of continuous bytes of only one known/chosen plaintext and the corresponding ciphertext. Experimental results are given to show the performance of the proposed attacks, and some countermeasures are discussed to improve DSEA.

Keywords: DSEA; Dominos; Cryptanalysis; Encryption; Ciphertext-only attack; Known-plaintext attack; Chosen-plaintext attack