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Cryptanalysis of an image encryption scheme

Li, SJ, Li, CQ, Lo, K-T and Chen, G (2006) Cryptanalysis of an image encryption scheme Journal of Electronic Imaging, 15 (4). ISSN 1017-9909

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Abstract

We present cryptanalysis of an image encryption scheme, which is based on the base-switching (BS) lossless compression algorithm. The following conclusions are reached: 1. the size of the key space, i.e., the security against brute-force attacks, was greatly overestimated by the designers; and 2. the scheme is not secure against known/chosen-plaintext/ciphertext attacks. A real example is given to show the feasibility of a proposed chosen-plaintext attack. In addition, some other minor problems of the joint compression-encryption scheme are also pointed out.

Item Type: Article
Additional Information: Copyright 2006 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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Divisions: Faculty of Engineering and Physical Sciences > Computing Science
Depositing User: Symplectic Elements
Date Deposited: 12 Jun 2012 12:44
Last Modified: 23 Sep 2013 19:26
URI: http://epubs.surrey.ac.uk/id/eprint/532608

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