Cryptanalysis of an image scrambling scheme without bandwidth expansion

Shujun Li; Chengqing Li; Kwok Tung Lo; Guanrong Chen

doi:10.1109/TCSVT.2008.918116

Cryptanalysis of an image scrambling scheme without bandwidth expansion

Shujun Li, Chengqing Li, Kwok Tung Lo, Guanrong Chen

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

45 Citations (Scopus)

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.

Original language	English
Article number	4448993
Pages (from-to)	338-349
Number of pages	12
Journal	IEEE Transactions on Circuits and Systems for Video Technology
Volume	18
Issue number	3
DOIs	https://doi.org/10.1109/TCSVT.2008.918116
Publication status	Published - 1 Mar 2008

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

ASJC Scopus subject areas

Media Technology
Electrical and Electronic Engineering

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10.1109/TCSVT.2008.918116

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Cryptanalysis of an image scrambling scheme without bandwidth expansion

Abstract

Keywords

ASJC Scopus subject areas

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