[1]林冰 蒋国平.一种基于块置乱和反馈密钥的图像加密算法[J].计算机技术与发展,2012,(05):123-126.
 LIN Bing,JIANG Guo-ping.An Image Encryption Algorithm Based on Image Block and Key Feedback Mechanism[J].,2012,(05):123-126.
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一种基于块置乱和反馈密钥的图像加密算法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2012年05期
页码:
123-126
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
An Image Encryption Algorithm Based on Image Block and Key Feedback Mechanism
文章编号:
1673-629X(2012)05-0123-04
作者:
林冰1 蒋国平2
[1]南京邮电大学计算机学院[2]南京邮电大学自动化学院
Author(s):
LIN Bing JIANG Guo-ping2
[1]College of Computer, Nanjing University of Posts and Telecommunications[2]College of Automation, Nanjing University of Posts and Telecommunications
关键词:
图像块置乱Logistic映射标准混沌映射密钥反馈
Keywords:
image block scrambling Logistic mapping standard chaos mapping key feedback
分类号:
TP309.7
文献标志码:
A
摘要:
在分析传统迭代型图像置乱方法以及静态灰度值加密方法不足的基础上,提出了一种基于图像块位置置乱和动态密钥反馈机制的数字图像加密算法。算法的关键思想是基于分块原理的均匀置乱,以及根据各像素点的不同属性动态选择不同的混沌序列对图像进行基于密钥反馈机制的灰度值加密。仿真结果表明,均匀置乱算法在相邻像素相关性方面优势明显,密文分布均匀;反馈机制和动态选择混沌系统使得灰度值加密算法具有理想的密钥空间,优秀的抗明文、密文攻击能力;整个加密算法时间复杂度合理,安全性高
Abstract:
In analyzing the disadvantages of traditional and iterative image scrambling methods and smile image gray value exchange methods, a new algorithm is proposed based on uniform and key feedback mechanism. The key idea of the algorithm is based on uniform block scrambling, and according to different attributes of each pixel dynamically select the different chaotic sequence for gray value encrypilon based on key feedback mechanism. Matlab simulation results show that the algorithm scrambling algorithm has obvious advantage in terms of relevant adjacent pixels;Feedback mechanisms and dynamic chaotic system makes the gray-scale value has a large key space, excellent resistance to express, ciphertext attack;The time complexity of encrypilon algorithm is reasonable and the security is high

相似文献/References:

[1]陆克中 王汝传.VFP数据库中混沌加密算法设计与实现[J].计算机技术与发展,2007,(09):153.
 LU Ke-zhong,WANG Ru-chuan.Design and Realization of Chaos Encryption Algorithm via VFP[J].,2007,(05):153.
[2]徐畅凯,徐文华,姜 威.彩色图像中文字的加密和隐藏[J].计算机技术与发展,2021,31(05):126.[doi:10. 3969 / j. issn. 1673-629X. 2021. 05. 022]
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备注/Memo

备注/Memo:
国家自然科学基金(60874091);江苏省‘六大人才高峰’高层次人才计划(SJ209006);高等学校博士点基金项目(20103223110003)林冰(1986-),女,硕士研究生,研究方向为信息安全、混沌图像加密;蒋国平,教授,博士生导师,研究方向为复杂系统与网络控制、复杂网络与信息安全、混沌通信
更新日期/Last Update: 1900-01-01