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Title: Cryptanalysis of an image encryption scheme
Authors: Li, Shujun
Li, Chengqing
Lo, Kwok-tung
Chen, Guanrong
Subjects: Image coding
Data compression
Issue Date: Oct-2006
Publisher: SPIE and IS&T
Source: Journal of electronic imaging, Oct.-Dec. 2006, v. 15, no. 4, 043012, p. 1-13.
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.
Rights: Copyright 2006 Society of Photo-Optical Instrumentation Engineers and IS&T. 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.
Type: Journal/Magazine Article
DOI: 10.1117/1.2360697
ISSN: 1017-9909
Appears in Collections:EIE Journal/Magazine Articles

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