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CORR
2007
Springer
72views Education» more  CORR 2007»
13 years 4 months ago
Cryptanalysis of an Image Encryption Scheme Based on a Compound Chaotic Sequence
Chengqing Li, Shujun Li, Guanrong Chen, Wolfgang A...
PCM
2004
Springer
116views Multimedia» more  PCM 2004»
13 years 10 months ago
Cryptanalysis of a Chaotic Neural Network Based Multimedia Encryption Scheme
Recently, Yen and Guo proposed a chaotic neural network (CNN) for signal encryption, which was suggested as a solution for protection of digital images and videos. The present pape...
Chengqing Li, Shujun Li, Dan Zhang, Guanrong Chen
ISCAS
2008
IEEE
100views Hardware» more  ISCAS 2008»
13 years 11 months ago
On the security of a class of image encryption schemes
— Recently four chaos-based image encryption schemes were proposed. Essentially, the four schemes can be classified into one class, which is composed of two basic parts: permuta...
Chengqing Li, Guanrong Chen
TCSV
2008
111views more  TCSV 2008»
13 years 4 months ago
Cryptanalysis of an Image Scrambling Scheme Without Bandwidth Expansion
Recently, a novel image scrambling (i.e., encryption) scheme without bandwidth expansion was proposed based on two-dimensional (2-D) discrete prolate spheroidal sequences (DPSS). ...
Shujun Li, Chengqing Li, Kwok-Tung Lo, Guanrong Ch...