University of Surrey

Test tubes in the lab Research in the ATI Dance Research

Cryptanalysis of a chaotic image encryption method

Li, SJ and Zheng, X (2002) Cryptanalysis of a chaotic image encryption method In: 2002 IEEE International Symposium on Circuits and Systems (ISCAS 2002), 2002-05-26 - 2002-05-29, Scottsdale, Arizona, US.

Available under License : See the attached licence file.

Download (726kB)
Text (licence)

Download (33kB)


The security of digital images attracts much attention recently, and many image encryption methods have been proposed. In IS-CAS2000, a new chaotic key-based algorithm (CKBA) for image encryption was proposed. This paper points out CKBA is very weak to the chosen/known-plaintext attack with only one plain-image, and its security to brute-force ciphertext-only attack is overestimated by the authors. That is to say, CKBA is not secure at all from cryptographic viewpoint. Some experiments are made to show the feasibility of the chosen/known-plaintext attack. We also discuss some remedies to the original scheme and their performance, and we find none of them can essentially improve the security of CKBA.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Computing Science
Authors :
Li, SJ
Zheng, X
Date : 2002
DOI : 10.1109/ISCAS.2002.1011451
Contributors :
Related URLs :
Additional Information : © 2002 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 24 Sep 2014 11:17
Last Modified : 31 Oct 2017 14:34

Actions (login required)

View Item View Item


Downloads per month over past year

Information about this web site

© The University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom.
+44 (0)1483 300800