Double image encryption by using iterative random binary encoding in gyrator domains

被引：263

作者：

Liu, Zhengjun ^{[1
]}

Guo, Qing ^{[2
]}

Xu, Lie ^{[1
]}

Ahmad, Muhammad Ashfaq ^{[3
]}

Liu, Shutian ^{[2
]}

机构：

[1] Harbin Inst Technol, Dept Automat Measurement & Control Engn, Harbin 150001, Peoples R China

[2] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China

[3] COMSATS Inst Informat Technol, Dept Phys, Lahore 54000, Pakistan

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 11期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

FRACTIONAL FOURIER-TRANSFORM; OPTICAL ENCRYPTION; PLAINTEXT ATTACK; FRESNEL DOMAIN; PLANE;

D O I：

10.1364/OE.18.012033

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a double image encryption by using random binary encoding and gyrator transform. Two secret images are first regarded as the real part and imaginary part of complex function. Chaotic map is used for obtaining random binary matrix. The real part and imaginary part of complex function are exchanged under the control of random binary data. An iterative structure composed of the random binary encoding method is designed and employed for enhancing the security of encryption algorithm. The parameters in chaotic map and gyrator transform serve as the keys of this encryption scheme. Some numerical simulations have been made, to demonstrate the performance this algorithm. (C) 2010 Optical Society of America

引用

页码：12033 / 12043

页数：11

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