Gray-scale and color optical encryption based on computational ghost imaging

M Tanha, R Kheradmand… - Applied Physics Letters, 2012 - pubs.aip.org
We propose two approaches for optical encryption based on computational ghost imaging.
These methods have the capability of encoding ghost images reconstructed from gray-scale …

Chosen-plaintext attack on a joint transform correlator encrypting system

JF Barrera, C Vargas, M Tebaldi, R Torroba - Optics Communications, 2010 - Elsevier
We demonstrate that optical encryption methods based on the joint transform correlator
architecture are vulnerable to chosen-plaintext attack. An unauthorized user, who introduces …

Ciphertext-only attack on a joint transform correlator encryption system

C Zhang, M Liao, W He, X Peng - Optics express, 2013 - opg.optica.org
A ciphertext-only attack (COA) on a joint transform correlator (JTC) encryption system is
proposed. From the perspective view of optical cryptanalysis, we find out that the issue to be …

Compact optical asymmetric cryptosystem based on unequal modulus decomposition of multiple color images

M Abdelfattah, SF Hegazy, NFF Areed… - Optics and Lasers in …, 2020 - Elsevier
In this paper, a silhouette-free and crosstalk-free multiple-color-image cryptosystem is
presented based on unequal modulus decomposition (UMD) in the gyrator transform (GT) …

Wavelength multiplexing multiple-image encryption using cascaded phase-only masks in the Fresnel transform domain

HT Chang, HE Hwang, CL Lee, MT Lee - Applied optics, 2011 - opg.optica.org
We propose a method of wavelength multiplexing based on a modified Gerchberg–Saxton
algorithm (MGSA) and a cascaded phase modulation scheme in the Fresnel transform …

Security analysis of a double-image encryption technique based on an asymmetric algorithm

Y Xiong, A He, C Quan - JOSA A, 2018 - opg.optica.org
In this paper, we evaluate the security of a double-image encryption technique based on an
asymmetric algorithm. Compared with traditional cryptosystems based on a phase-truncated …

Nonlinear multiple-image encryption based on mixture retrieval algorithm in Fresnel domain

Y Wang, C Quan, CJ Tay - Optics Communications, 2014 - Elsevier
We propose a novel nonlinear multiple-image encryption based on mixture retrieval
algorithm and phase mask multiplexing in Fresnel domain. The encryption process is …

Position multiplexing multiple-image encryption using cascaded phase-only masks in Fresnel transform domain

HT Chang, HE Hwang, CL Lee - Optics Communications, 2011 - Elsevier
A position multiplexing method based on the modified Gerchberg–Saxton algorithm (MGSA)
and a cascaded phase modulation scheme in the Fresnel transform domain is proposed in …

Optical multiple-image encryption based on phase encoding algorithm in the Fresnel transform domain

JJ Huang, HE Hwang, CY Chen, CM Chen - Optics & Laser Technology, 2012 - Elsevier
A novel method of the optical multiple-image encryption based on the modified Gerchberg–
Saxton algorithm (MGSA) is presented. This proposed method with an architecture of two …

Lensless multiple-image optical encryption based on improved phase retrieval algorithm

JJ Huang, HE Hwang, CY Chen, CM Chen - Applied optics, 2012 - opg.optica.org
A novel architecture of the optical multiple-image encryption based on the modified
Gerchberg-Saxton algorithm (MGSA) by using cascading phase only functions (POFs) in the …