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Applicant:
Indian Institute of Technology (IIT) Patna 
Author:
A. Fatima and N. K. Nishchal 
Corresponding Authors:
N. K. Nishchal 
DOI #:
https://doi.org/10.1364/JOSAA.33.002034 
Title:
Discussion on comparative analysis and a new attack on optical asymmetric cryptosystem 
Journal:
Journal of Optical Society of America A  
Year:
2016 
Volume:
33 
Page:
2034-2040 
Keywords:
optical asymmetric cryptosystem 
Abstract:
This paper presents two different aspects of cryptanalysis of the optical phase-truncated Fourier transform (PTFT)-based cryptosystem. In the first part, a comparative study is carried out for a specific attack on the PTFT-based scheme in different optical transformation domains. In the second part, a new attack algorithm is proposed. The existing attack algorithms devised for the PTFT-based cryptosystem require knowledge of both the encryption keys for successful retrieval of phase through phase-retrieval algorithms to extract information about the plaintext. The proposed new attack method eliminates the requirement of one of the encryption keys to carry out the attack on the PTFT-based scheme. The numerical results support the proposed method.  
Entered by:
Venkata Dantham on 2020-08-03 
 
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