Asian Journal of Physics Vol. 34, Nos 7 & 8 (2025) 557-568

Dual-user asymmetric medical signal encryption algorithm in multi-domain system

Poonam Kumari1, Himani2 and Sachin1
1Department of Mathematics, IIHS, Kurukshetra University, Kurukshetra-136 119, Haryana, India,
2Department of Mathematics, Kurukshetra University, Kurukshetra-136 119, Haryana, India,

Dedicated to Prof Kehar Singh on the occasion of his 84th Birth Day on July 3, 2025

This manuscript proposes a dual-user encryption algorithm in the Fresnel and Fourier domain using polar decomposition (PD). The algorithm’s asymmetric nature provides an additional level of protection to the proposed algorithm. The algorithm is tested with the medical image. The efficacy and sturdiness of the proposed method are measured through various statistical and visual attacks like information entropy, mean squared error, peak signal noise ratio, correlation coefficient, histogram, mesh, and correlation distribution plots. The results assess the robustness and effectiveness of the proposed scheme against cryptographic attacks. The results substantiate that the proposed algorithm is safe and secure. © Anita Publications. All rights reserved.
Doi: 
Keywords: Fresnel Transform, Fourier Transform, Image Encryption, Polar Decomposition, Asymmetric Encryption

Peer Review Information
Method: Single- anonymous; Screened for Plagiarism? Yes
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