一种基于Logistic映射和Bernoulli移位映射的图像加密算法

An Image Encryption Algorithm Based on Logistic Mapand Bernoulli Shift Map

提出一种新的基于Logistic映射和Bernoulli移位映射的图像加密算法。该算法设计简单、运算快速、解密准确,避免了常用置乱变换算法固有的缺陷及密码强度的不足,具有很高的安全性。

On the basis of Logistic map and Bernoulli shift map,a new image encryption algorithm is presented.In this algorithm the computational speed is fast because of simple design.At the same time,it could decrypt cipher text accurately.The algorithm also avoids inherent defects and inadequateness of cryptological intensity of other algorithms adopting permutation transform and thus has super security.