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  5. The choice of optical system is critical for the security of double random phase encryption systems
 
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The choice of optical system is critical for the security of double random phase encryption systems

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Author(s)
Muniraj, Inbarasan 
Guo, Changliang 
Malallah, Ra'ed 
Cassidy, Derek 
Zhao, Liang 
Ryle, James P. 
Healy, John J. 
Sheridan, John T. 
Uri
http://hdl.handle.net/10197/8712
Date Issued
14 June 2017
Date Available
14T12:00:38Z August 2017
Abstract
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 (2D) image has been reported. In such systems, two random phase keys and the individual LCT parameters (, , ) serve as secret keys of the cryptosystem. It is important that such encryption systems also satisfies some dynamic security properties. In this work, 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 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.Keywords: Quadratic Phase Encoding system, linear canonical transform, Double Random Phase Encryption, Avalanche effect and bit independence criterion.
Sponsorship
Science Foundation Ireland
Other Sponsorship
Insight Research Centre
Type of Material
Journal Article
Publisher
Society of Photo-optical Instrumentation Engineers (SPIE)
Journal
Optical Engineering
Volume
56
Issue
6
Copyright (Published Version)
2017 Society of Photo Optical Instrumentation Engineers (SPIE)
Keywords
  • Personal sensing

  • Quadratic phase encod...

  • Linear canonical tran...

  • Double Random Phase E...

  • Avalanche effect

  • Bit independence crit...

DOI
10.1117/1.OE.56.6.063103
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Insight Research Collection
Scopus© citations
2
Acquisition Date
Mar 30, 2023
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