157 citations · 536 across the 9 of their papers we have counts for
9 papers
On the security of a class of diffusion mechanisms for image encryption
Leo Yu Zhang, Yuansheng Liu, Kwok-Wo Wong +4
The need for fast and strong image cryptosystems motivates researchers to develop new techniques to apply traditional cryptographic primitives in order to exploit the intrinsic fea…
Chosen-plaintext attack of an image encryption scheme based on modified permutation-diffusion structure
Yuansheng Liu, Leo Yu Zhang, Jia Wang +2
Since the first appearance in Fridrich's design, the usage of permutation-diffusion structure for designing digital image cryptosystem has been receiving increasing research attent…
Cryptanalyzing an image encryption algorithm based on scrambling and Veginere cipher
Li Zeng, Renren Liu, Leo Yu Zhang +2
Recently, an image encryption algorithm based on scrambling and Vegin`ere cipher has been proposed. However, it was soon cryptanalyzed by Zhang et al. using a combination of chosen…
Deciphering a novel image cipher based on mixed transformed Logistic maps
Yuansheng Liu, Hua Fan, Eric Yong Xie +2
Since John von Neumann suggested utilizing Logistic map as a random number generator in 1947, a great number of encryption schemes based on Logistic map and/or its variants have be…
Cryptanalyzing a RGB image encryption algorithm based on DNA encoding and chaos map
Yuansheng Liu
Recently, a RGB image encryption algorithm based on DNA encoding and chaos map has been proposed. It was reported that the encryption algorithm can be broken with four pairs of cho…
Cryptanalyzing a class of image encryption schemes based on Chinese Remainder Theorem
Chengqing Li, Yuansheng Liu, Leo Yu Zhang +1
As a fundamental theorem in number theory, the Chinese Reminder Theorem (CRT) is widely used to construct cryptographic primitives. This paper investigates the security of a class…
A chaotic image encryption scheme owning temp-value feedback
Leo Yu Zhang, Xiaobo Hu, Yuansheng Liu +1
This paper presents a novel efficient chaotic image encryption scheme, in which the temp-value feedback mechanism is introduced to the permutation and diffusion procedures. Firstly…
Breaking a novel image encryption scheme based on improved hyperchaotic sequences
Chengqing Li, Yuansheng Liu, Tao Xie +1
Recently, a novel image encryption scheme based on improved hyperchaotic sequences was proposed. A pseudo-random number sequence, generated by a hyper-chaos system, is used to dete…
Breaking a chaotic image encryption algorithm based on modulo addition and XOR operation
Chengqing Li, Yuansheng Liu, Leo Yu Zhang +1
This paper re-evaluates the security of a chaotic image encryption algorithm called MCKBA/HCKBA and finds that it can be broken efficiently with two known plain-images and the corr…