混沌加密系统的保密性能

被引:11
作者
周黎晖
彭召旺
冯正进
钟廷修
机构
[1] 上海交通大学机械工程学院!上海
关键词
保密通信; 广义混沌同步; 自适应混沌同步控制; 混沌噪声发生器;
D O I
10.16183/j.cnki.jsjtu.2001.01.034
中图分类号
TN918 [通信保密与通信安全];
学科分类号
0839 ; 1402 ;
摘要
从混沌同步对参数失配敏感性的特点出发 ,探讨了基于自然混沌系统同步分解的混沌保密通信系统的保密性能 ,指出基于低维混沌系统的通信系统不具有高保密性 ,容易受自适应同步控制的攻击 .针对这一缺陷 ,对一类基于离散时间混沌噪声发生器的混沌加密方法进行了研究 ,其加密器与解密器之间对参数匹配误差敏感性的特点能防止自适应同步控制的攻击 ,且实现简单 ,加密性能易于控制 ,均优于基于低维混沌系统同步分解的加密方法
引用
收藏
页码:133 / 138
页数:6
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