Image Encryption Algorithm Based on a Chaotic Iterative Process  

作　　者：Michael Francois Thomas Grosges Dominique Barchiesi Robert Erra 

机构地区：[1]Group for Automatic Mesh Generation and Advanced Methods,Gamma3 Project(UTT-INRIA),University of Technology of Troyes,Troyes,France [2]Network&Information Security,Ecole Superieure d’Informatique,Electronique,Automatique,Paris,France

出　　处：《Applied Mathematics》2012年第12期1910-1920,共11页应用数学（英文）

摘　　要：The paper describes a symmetric encryption algorithm based on bit permutations and using an iterative process combined with a chaotic function. The main advantages of such a cryptosystem is its ability to encrypt securely bit sequences and assuring confusion, diffusion and indistinguishability properties in the cipher. The algorithm is applied on the image encryption where the plain-image is viewed as binary sequence. The results of statistical analysis about randomness, sensitivity and correlation on the cipher-images show the relevance of the proposed cryptosystem.The paper describes a symmetric encryption algorithm based on bit permutations and using an iterative process combined with a chaotic function. The main advantages of such a cryptosystem is its ability to encrypt securely bit sequences and assuring confusion, diffusion and indistinguishability properties in the cipher. The algorithm is applied on the image encryption where the plain-image is viewed as binary sequence. The results of statistical analysis about randomness, sensitivity and correlation on the cipher-images show the relevance of the proposed cryptosystem.

关 键 词：ENCRYPTION Image Encryption Chaotic Function CONFUSION DIFFUSION INDISTINGUISHABILITY 

分 类 号：O1[理学—数学]