Publications (44)
Return-Map Cryptanalysis Revisited
Shujun Li, Guanrong Chen, Gonzalo Ãlvarez
An Improved DC Recovery Method from AC Coefficients of DCT-Transformed Images
Shujun Li, Junaid Jameel Ahmad, Dietmar Saupe +1
Breaking a modified substitution-diffusion image cipher based on chaotic standard and logistic maps
Chengqing Li, Shujun Li, Kwok-Tung Lo
An oracle-based attack on CAPTCHAs protected against oracle attacks
Carlos Javier Hernández-Castro, MarÃa D. R-Moreno, David F. Barrero +1
Permutation Polynomials modulo m
Shujun Li
"Flow Size Difference" Can Make a Difference: Detecting Malicious TCP Network Flows Based on Benford's Law
Aamo Iorliam, Santosh Tirunagari, Anthony T. S. Ho +3
Cryptanalysis of an Encryption Scheme Based on Blind Source Separation
Shujun Li, Chengqing Li, Kwok-Tung Lo +1
Lorenz System Parameter Determination and Application to Break the Security of Two-channel Chaotic Cryptosystems
A. B. Orue, G. Alvarez, M. Romera +3
A New Lorenz System Parameter Determination Method and Applications
A. Orue, G. Alvarez, G. Pastor +3
Breaking a new substitution-diffusion based image cipher using chaotic standard and logistic maps
Chengqing Li, Shujun Li, Kwok-Tung Lo
OR-Benchmark: An Open and Reconfigurable Digital Watermarking Benchmarking Framework
Hui Wang, Anthony TS Ho, Shujun Li
When Human cognitive modeling meets PINs: User-independent inter-keystroke timing attacks
Ximing Liu, Yingjiu Li, Robert H. Deng +2
Baptista-type chaotic cryptosystems: Problems and countermeasures
Shujun Li, Guanrong Chen, Kwok-Wo Wong +2
Recovering Missing Coefficients in DCT-Transformed Images
Shujun Li, Andreas Karrenbauer, Dietmar Saupe +1
Cryptanalysis of an MPEG-Video Encryption Scheme Based on Secret Huffman Tables
Shujun Li, Guanrong Chen, Albert Cheung +1
Chosen-Plaintext Cryptanalysis of a Clipped-Neural-Network-Based Chaotic Cipher
Chengqing Li, Shujun Li, Dan Zhang +1
Breaking a chaos-noise-based secure communication scheme
Shujun Li, Gonzalo Ãlvarez, Guanrong Chen +1
Cryptanalysis of an image encryption scheme based on a new total shuffling algorithm
David Arroyo, Chengqing Li, Shujun Li +2
Cryptanalysis of two chaotic encryption schemes based on circular bit shift and XOR operations
Chengqing Li, Shujun Li, Gonzalo Ãlvarez +2
Breaking a chaos-based secure communication scheme designed by an improved modulation method
Shujun Li, Gonzalo Ãlvarez, Guanrong Chen
Cryptanalysis of a computer cryptography scheme based on a filter bank
David Arroyo, Chengqing Li, Shujun Li +1
On the security of a new image encryption scheme based on chaotic map lattices
David Arroyo, Rhouma Rhouma, Gonzalo Alvarez +2
On the Design of Perceptual MPEG-Video Encryption Algorithms
Shujun Li, Guanrong Chen, Albert Cheung +2
On the Security of the Yi-Tan-Siew Chaos-Based Cipher
Shujun Li, Guanrong Chen, Xuanqin Mou
Security Problems with Improper Implementations of Improved FEA-M
Shujun Li, Kwok-Tung Lo
Cryptanalysis of a new chaotic cryptosystem based on ergodicity
David Arroyo, Gonzalo Alvarez, Shujun Li +2
Evaluating Two Determinants
Shujun Li
Inherent Frequency and Spatial Decomposition of the Lorenz Chaotic Attractor
Gonzalo Ãlvarez, Shujun Li, Jinhu Lü +1
Lost in the Digital Wild: Hiding Information in Digital Activities
Shujun Li, Anthony T. S. Ho, Zichi Wang +1
Breaking an encryption scheme based on chaotic Baker map
Gonzalo Alvarez, Shujun Li
Dynamic Analysis of Digital Chaotic Maps via State-Mapping Networks
Chengqing Li, Bingbing Feng, Shujun Li +2
Security analysis of communication system based on the synchronization of different order chaotic systems
G. Alvarez, L. Hernandez, J. Munoz +2
Null Polynomials modulo m
Shujun Li
Cryptanalysis of a chaotic block cipher with external key and its improved version
Chengqing Li, Shujun Li, Gonzalo Ãlvarez +2
Estimating short-time period to break different types of chaotic modulation based secure communications
Gonzalo Alvarez, Shujun Li
On the security defects of an image encryption scheme
Chengqing Li, Shujun Li, Muhammad Asim +3
Breaking projective chaos synchronization secure communication using filtering and generalized synchronization
Gonzalo Alvarez, Shujun Li, F. Montoya +2
A Differential Cryptanalysis of Yen-Chen-Wu Multimedia Cryptography System (MCS)
Chengqing Li, Shujun Li, Kowk-Tung Lo +1
On the security of the Yen-Guo's domino signal encryption algorithm (DSEA)
Chengqing Li, Shujun Li, Der-Chyuan Lou +1
Analog Chaos-based Secure Communications and Cryptanalysis: A Brief Survey
Shujun Li, Gonzalo Alvarez, Zhong Li +1
Cryptanalysis of an Image Encryption Scheme Based on a Compound Chaotic Sequence
Chengqing Li, Shujun Li, Guanrong Chen +1
Cryptographic requirements for chaotic secure communications
Gonzalo Alvarez, Shujun Li
Cryptanalysis of a family of self-synchronizing chaotic stream ciphers
David Arroyo, Gonzalo Alvarez, Jose Maria Amigo +1
Some hints for the design of digital chaos-based cryptosystems: lessons learned from cryptanalysis
David Arroyo, Gonzalo Alvarez, Shujun Li