Cryptanalysis of an Image Encryption Algorithm Based on Random Walk and Hyperchaotic Systems

被引：7
|
作者：
Fan, Haiju [1 ,2 ,3 ]
Lu, Heng [1 ,2 ,3 ]
Zhang, Chenjiu [1 ,2 ,3 ]
Li, Ming [1 ,2 ,3 ]
Liu, Yanfang [1 ,2 ,3 ]
机构：
[1] Henan Normal Univ, Coll Comp & Informat Engn, Xinxiang 453007, Peoples R China
[2] Engn Lab Intelligence Business & Internet Things, Xinxiang 453007, Peoples R China
[3] Key Lab Artificial Intelligence & Personalized Le, Xinxiang 453007, Peoples R China
来源：
ENTROPY | 2022年 / 24卷 / 01期
关键词：
cryptanalysis; random walk; hyperchaotic systems; scrambling-diffusion; HYPER-CHAOTIC SYSTEM; COMBINATION; PERMUTATION; DIFFUSION; SECURE;
D O I：
10.3390/e24010040
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Recently, an image encryption algorithm based on random walk and hyperchaotic systems has been proposed. The main idea of the original paper is to scramble the plain image by means of random walk matrix and then to append diffusion. In this paper, the encryption method with security holes is analyzed by chosen plaintext attack. In addition, this paper improves the original encryption algorithm. The experimental and simulation results show that the improved algorithm has the advantages of the original and can improve the ability to resist attack.
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收藏
页数：17
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