计算机应用 ›› 2014, Vol. 34 ›› Issue (11): 3177-3179.DOI: 10.11772/j.issn.1001-9081.2014.11.3177

• 2014年全国开放式分布与并行计算学术年会(DPCS 2014)论文 • 上一篇    下一篇

基于混沌系统的DNA图像加密算法

徐光宪,郭晓娟   

  1. 辽宁工程技术大学 电子与信息工程学院,辽宁 葫芦岛 125105
  • 收稿日期:2014-07-22 修回日期:2014-07-25 出版日期:2014-11-01 发布日期:2014-12-01
  • 通讯作者: 郭晓娟
  • 作者简介:徐光宪(1977-),男,江苏盐城人,副教授,〖BP(〗硕士生导师,〖BP)〗博士,主要研究方向:网络编码、信息处理;郭晓娟(1988-),女,内蒙古乌兰察布人,硕士研究生,主要研究方向:数字图像处理、信息安全。
  • 基金资助:

    辽宁省高等学校杰出青年学者成长计划项目

DNA image encryption algorithm based on chaotic system

XU Guangxian,GUO Xiaojuan   

  1. School of Electronic and Information Engineering, Liaoning Technical University, Huludao Liaoning 125105, China
  • Received:2014-07-22 Revised:2014-07-25 Online:2014-11-01 Published:2014-12-01
  • Contact: GUO Xiaojuan

摘要:

为了解决数字图像加密算法复杂度高、安全性较差的问题,提出一种基于混沌系统的DNA融合图像加密算法。首先利用Baker变换对图像进行置乱以读取DNA序列;再由Logistic混沌映射产生混沌序列,从而对DNA序列进行混沌加密。该算法对初值具有很好的敏感性,抗统计、抗差分攻击能力强。仿真结果表明:所提算法不仅实现简单,而且加密效果好,安全性高。

Abstract:

In order to solve the problems of digital image encryption algorithm including scheme complexity and poor security, a DNA fusion image encryption algorithm based on chaotic system was proposed. Firstly, the image was scrambled by Baker transform to obtain the DNA sequence. Then, Logistic map was used to generate chaotic sequence. Finally, the DNA sequence was encrypted. The method has good sensitivity to initial values and strong ability of anti-statistical and anti-differential attacks. The simulation results show that the algorithm is not only simple, but also has good encryption effect and high security.

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