Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25552
Title: Cryptanalysis of an image scrambling scheme without bandwidth expansion
Authors: Li, S
Li, C
Lo, KT 
Chen, G
Keywords: Chosen-ciphertext attack
Chosen-plaintext attack
Ciphertext-only attack
Cryptanalysis
Discrete prolate spheroidal sequence (DPSS)
Encryption
Hadamard matrix
Image scrambling
Known-plaintext attack
Perceptual encryption
Issue Date: 2008
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on circuits and systems for video technology, 2008, v. 18, no. 3, 4448993, p. 338-349 How to cite?
Journal: IEEE transactions on circuits and systems for video technology 
Abstract: Recently, a new image scrambling (i.e., encryption) scheme without bandwidth expansion was proposed based on two-dimensional discrete prolate spheroidal sequences. A comprehensive cryptanalysis is given here on this image scrambling scheme, showing that it is not sufficiently secure against various cryptographical attacks including ciphertext-only attack, known/chosen-plaintext attack, and chosen-ciphertext attack. Detailed cryptanalytic results suggest that the image scrambling scheme can only be used to realize perceptual encryption but not to provide content protection for digital images.
URI: http://hdl.handle.net/10397/25552
ISSN: 1051-8215
EISSN: 1558-2205
DOI: 10.1109/TCSVT.2008.918116
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