| 现代图像加密技术 |
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| 引用本文： | 汪超,黄峰,李世军.现代图像加密技术[J].湖南工程学院学报(自然科学版),2008,18(2):9-13. |
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| 作者姓名： | 汪超 黄峰 李世军 |
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| 作者单位： | 湖南工程学院电气与信息工程系,湖南湘潭,411101 |
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| 摘 要： | 加密技术是信息安全的基础,具有重大的军事和国防意义.研究了现有加密技术,指出了图像加密和文本加密的不同点,介绍了几种常见的图像加密技术.以混沌加密技术为例,对图像加密进行了仿真.仿真结果表明,混沌加密技术具有很好的加密效果.混沌映射避免了因为混沌系统的动力特性退化,出现难以预料的结果,加密速度快、便于移植,是一类非常有前途的加密技术.
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| 关 键 词： | 信息安全 图像加密 混沌 混沌映射 |
Modern Image Encryption Technology |
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| WANG Chao,HUANG Feng,LI Shi-jun.Modern Image Encryption Technology[J].Journal of Hunan Institute of Engineering(Natural Science Edition),2008,18(2):9-13. |
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| Authors: | WANG Chao HUANG Feng LI Shi-jun |
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| Institution: | (Dept. of Elect and Information Eng. , Hunan Institute of Engineering, Xiangtan 411101, China) |
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| Abstract: | Encryption technology is the basis of information security.It has great significance of the military and national defense.This paper studies comprehensively the encryption technology.It points out the differences of image encryption and text encryption.Then it introduces some common image encryption technologies.The image technology is stimulated by chaotic image technology.The simulation results show that chaotic encryption technology has good results in image encryption.The paper further points out that chaotic map can avoid the dynamic degradation.And the encryption arithmetic of chaotic map has a high encryption speed and enough security.So it is a very promising encryption technology. |
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| Keywords: | information security image encryption chaos chaotic map |
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