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

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

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 analyze...

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Bibliographic Details
Main Authors: Haiju Fan, Heng Lu, Chenjiu Zhang, Ming Li, Yanfang Liu
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Entropy
Subjects:
cryptanalysis
random walk
hyperchaotic systems
scrambling-diffusion
Online Access:https://www.mdpi.com/1099-4300/24/1/40

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