TY - JOUR
T1 - Cryptanalysis and improvement in an image encryption scheme using combination of the 1D chaotic map
AU - Chen, Junxin
AU - Han, Fangfang
AU - Qian, Wei
AU - Yao, Yu Dong
AU - Zhu, Zhi liang
N1 - Publisher Copyright:
© 2018, Springer Science+Business Media B.V., part of Springer Nature.
PY - 2018/9/1
Y1 - 2018/9/1
N2 - In this paper, we evaluate the security of an image cipher recently proposed. Three different cryptographic primitives, i.e., permutation, diffusion, and cyclic rotation, were integrated in this cipher so as to obtain a satisfactory security performance within a single encryption round. It is found that the equivalent key stream elements can be derived under chosen-plaintext attack. Both mathematical proof and experimental validation are given in detail. Concerning the presented analysis and some common defects of chaos-based image ciphers, an enhanced image cryptosystem based on the single-round permutation–diffusion structure is further developed. Natural and medical images are introduced for experimental verification and performance comparison. The results demonstrate the security superiority of the improved cryptosystem.
AB - In this paper, we evaluate the security of an image cipher recently proposed. Three different cryptographic primitives, i.e., permutation, diffusion, and cyclic rotation, were integrated in this cipher so as to obtain a satisfactory security performance within a single encryption round. It is found that the equivalent key stream elements can be derived under chosen-plaintext attack. Both mathematical proof and experimental validation are given in detail. Concerning the presented analysis and some common defects of chaos-based image ciphers, an enhanced image cryptosystem based on the single-round permutation–diffusion structure is further developed. Natural and medical images are introduced for experimental verification and performance comparison. The results demonstrate the security superiority of the improved cryptosystem.
KW - Cryptanalysis
KW - Image encryption
KW - Improved diffusion
KW - Plaintext-related permutation
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U2 - 10.1007/s11071-018-4332-9
DO - 10.1007/s11071-018-4332-9
M3 - Article
AN - SCOPUS:85046889097
SN - 0924-090X
VL - 93
SP - 2399
EP - 2413
JO - Nonlinear Dynamics
JF - Nonlinear Dynamics
IS - 4
ER -