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Choice of optical system is critical for the security of double random phase encryption systems

机译：光学系统的选择对于双重随机相位加密系统的安全性至关重要

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摘要

The linear canonical transform (LCT) is used in modeling a coherent light-field propagation through first-order optical systems. Recently, a generic optical system, known as the quadratic phase encoding system (QPES), for encrypting a two-dimensional image has been reported. In such systems, two random phase keys and the individual LCT parameters (α β γ) serve as secret keys of the cryptosystem. It is important that such encryption systems also satisfy some dynamic security properties. We, therefore, examine such systems using two cryptographic evaluation methods, the avalanche effect and bit independence criterion, which indicate the degree of security of the cryptographic algorithms using QPES. We compared our simulation results with the conventional Fourier and the Fresnel transform-based double random phase encryption (DRPE) systems. The results show that the LCT-based DRPE has an excellent avalanche and bit independence characteristics compared to the conventional Fourier and Fresnel-based encryption systems.
机译：线性规范变换（LCT）用于对通过一阶光学系统的相干光场传播进行建模。近来，已经报道了用于加密二维图像的通用光学系统，称为二次相位编码系统（QPES）。在这样的系统中，两个随机相位密钥和各个LCT参数（αβγ）充当密码系统的秘密密钥。重要的是，此类加密系统还必须满足某些动态安全性属性。因此，我们使用雪崩效应和比特独立性准则这两种密码评估方法来检查此类系统，这表明使用QPES的密码算法的安全程度。我们将模拟结果与传统的傅立叶和基于菲涅尔变换的双随机相位加密（DRPE）系统进行了比较。结果表明，与传统的基于傅立叶和菲涅耳的加密系统相比，基于LCT的DRPE具有出色的雪崩特性和位独立性。

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  • 来源
    《Optical engineering》 |2017年第6期|063103.1-063103.7|共7页
  • 作者

    Muniraj Inbarasan; Guo Changliang; Malallah Raed; Cassidy Derek; Zhao Liang; Ryle James P.; Healy John J.; Sheridan John T.;

  • 作者单位

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland;

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland;

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland,University of Basrah, Physics Department, Faculty of Science, Garmat Ali, Basrah, Iraq;

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland;

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland,University College Dublin, Insight Centre for Data Analytics, Belfield, Dublin, Ireland;

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland;

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland;

    University College Dublin, School of Electrical and Electronic Engineering, IOE2 Lab, Dublin, Ireland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    avalanche effect and bit independence criterion; double random phase encryption; linear canonical transform; quadratic phase encoding system;

    机译：雪崩效应和位独立性准则;双重随机相位加密;线性规范变换二次相位编码系统;

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