一种基于DNA编码和比特置乱的彩色图像加密算法

王锟; 张雪锋; 姜文

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一种基于DNA编码和比特置乱的彩色图像加密算法

更新时间：2026-09-04

- 一种基于DNA编码和比特置乱的彩色图像加密算法
- A color image encryption algorithm based on DNA encoding and bit-level permutation
- 微电子学与计算机 2021年38卷第3期页码：33-38
- 作者机构：
  
  1. 西安邮电大学网络空间安全,陕西,西安,710061
  2. 国家计算机网络应急技术处理协调中心,北京,100029
- 作者简介：
- 基金信息：
  
  陕西省教育厅专项科学研究计划 18JK0717
- DOI：
  中图分类号：
- 纸质出版：2021
- 稿件说明：
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王锟, 张雪锋, 姜文. 一种基于DNA编码和比特置乱的彩色图像加密算法[J]. 微电子学与计算机, 2021, 38(3): 33-38, 45.

WANG Kun, ZHANG Xue-feng, JIANG Wen. A color image encryption algorithm based on DNA encoding and bit-level permutation[J]. 2021, 38(3): 33-38.
王锟, 张雪锋, 姜文. 一种基于DNA编码和比特置乱的彩色图像加密算法[J]. 微电子学与计算机, 2021, 38(3): 33-38, 45. DOI：

WANG Kun, ZHANG Xue-feng, JIANG Wen. A color image encryption algorithm based on DNA encoding and bit-level permutation[J]. 2021, 38(3): 33-38. DOI：

摘要

针对目前彩色图像加密方案存在的效果差、安全性低等问题，提出了一种基于DNA编码和比特级置乱的彩色图像加密算法.该算法通过对选取DNA编码规则的均匀程度进行评价，使DNA的8种编码规则可以随机并且更加均匀的被选取.首先基于比特级置乱规则对彩色图像进行预处理；再使用DNA编码和循环移位的方式改变RGB平面本身的统计信息；最后使用S盒对DNA译码后的像素值进行非线性替换.理论分析和仿真结果表明，算法可以提供更大的密钥空间，密文图像也具有更高的信息熵，具有良好的安全性.

Abstract

A color image encryption algorithm based on DNA coding and bit-level scrambling is proposed to solve the problems of poor effect and low security in the current color image encryption schemes.Firstly

the color image is preprocessed based on bite-level scrambling rules. Then the statistical information of the RGB plane itself was changed by means of DNA coding and cyclic shift. Finally

S-box is used for nonlinear replacement of pixel values after DNA decoding.Theoretical analysis and simulation results show that the algorithm can provide a larger key space

the cipher image also has higher information entropy

and has good security.

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references

KANG X J, GUO Z H. A new color image encryption scheme based on DNA encoding and spatiotemporal chaotic system[J]. Signal Processing: ImageCommunication, 2020(80): 115670. DOI: 10.1016/j.image.2019. 115670.

WU X J, WANG K S, WANG X Y, et al. Color image DNA encryption using NCA map-based CML and one-time keys[J]. Signal Processing, 2018(148): 272-287. DOI: 10.1016/j.sigpro.2018.02.028.

ZHOU Y C, BAO L, CHEN C L P. A new 1D chaotic system for image encryption[J]. Signal Processing, 2014, 97: 172-182. DOI: 10.1016/j.sigpro.2013.10.034.

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GIRDHAR A, KUMAR V. A RGB image encryption technique using Lorenz and Rossler chaotic system on DNA sequences[J]. Multimedia Tools and Applications, 2018, 77(20): 27017-27039. DOI: 10.1007/s11042-018-5902-z.

YE R S, HUANG H Q, LI Y C, et al. A self-adaptive bit-level color image encryption algorithm based on generalized Arnold map[J]. ITM Web of Conferences, 2017, 11: 06002. DOI:10.1051/itmconf/201711 06002.

CHAI X L, GAN Z H, YUAN K, et al. A novel image encryption scheme based on DNA sequence operations and chaotic systems[J]. Neural Computing and Applications, 2019, 31(1): 219-237. DOI: 10.1007/s00521-017-2993-9.

ALVAREZ C, LI S J. Some basic cryptographic requirements for chaos-based cryptosystems[J]. International Journal of Bifurcation and Chaos, 2006, 16(8): 2129-2151. DOI: 10.1142/S0218127406015970.

GAN Z H, CHAI X L, HAN D J, et al. A chaotic image encryption algorithm based on 3-D bit-plane permutation[J]. Neural Computing and Applications, 2019, 31(11): 7111-7130. DOI:10.1007/s00521-018-3541-y.

PAREEK N K, PATIDAR V, SUD K K. Image encryption using chaotic logistic map[J]. Image and Vision Computing, 2006, 24(9): 926-934. DOI: 10.1016/j.imavis.2006.02.021.

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