A Virtual Optical Holographic Encryption System Using Expanded Diffie-Hellman Algorithm

Yang Peng,Tomoyuki Nagase,Tsutomu Zeniya,Shan You,Toshiki Kanamoto

doi:10.1109/access.2021.3055866

Yang Peng, Tomoyuki Nagase + Show 3 more

Open Access

https://doi.org/10.1109/access.2021.3055866

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Abstract

This paper presents a new method for encrypting information over a Virtual Optical Holographic Encryption (VOHE) system which employs a virtual optical system based on digital holography and Fourier lens. The VOHE system provides parameters such as propagation wavelength (λ) and focal length (f) of the Fourier lens which are keys that are used for encryption and decryption processes. The encrypted holographic information is based on an expanded Diffie-Hellman (EDH) algorithm. The method of expansion is presented based on a two-dimension complex function EDH-C. Furthermore, an expanded Pollard's Rho method was applied to evaluate the security of the proposed EDH-C algorithm. To determine the accuracy of the information retrieved by a receiver site, the mean absolute error (MAE) was calculated between the original code and retrieved code. Finally, the randomness of the transmitted message for both methods was evaluated using NIST tests and the results show that the message that was encrypted by the proposed EDH-C algorithm had higher security than DH in view of the unpredictability and complexity of the transmitted message over an insecure channel.

Highlights

With the rapid development of modern communication technology and due to the rapid development of computers, the digital information on public networks is often unable to resist unauthorized attacks
The optical encryption technology based on holographic has emerge as a new technology that has many has many advantages such as high speed, high capacity and is multi-dimensional as well [1]–[3]
A Virtual Optical Holographic Encryption (VOHE) technology has been widely used in recent years to

Summary

Introduction

With the rapid development of modern communication technology and due to the rapid development of computers, the digital information on public networks is often unable to resist unauthorized attacks. The example is presented of how the EDH-C encryption algorithm performs for generating a share key between a sender and a receiver.

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Results

Conclusion