一维时空混沌密码系统及安全性分析

One-Dimension Spatio-Temporal Chaotic Cryptography and Its Security Analysis

介绍了一维时空混沌密码系统的基本原理,构造了采用改进型Logistic映射的一维时空混沌密码系统模型,并用频数检验、序列检验、扑克检验、自相关检验和误差函数分析法等方法对系统的安全性进行了计算机仿真分析,证明该一维时空混沌密码系统具有较高的实用性和安全性。

The basic principle of one-dimension spatio-temporal chaotic cryptography is introduced,an one-dimension spatio-temporal chaotic cryptography model by utilizing modified Logistic-Map is setup,and the security of cryptography is analysed through the computer simulation,by frequency test,sequence test,playing card test,auto correlation test and error function analysis which proves the cryptography has better practicability and security.