Key exchange based on Diffie-Hellman protocol and image registration

Rachid Rimani, Naima Hadj Said, Adda Ali Pacha, Ozen Ozer

Abstract


Nowadays, with the advences in ICT and rapid development of mobile internet; media information shared on the various communication networks requires the existence of adequate security measures. Cryptography becoming an effective way to meet these requirements and for maintain the confidentiality. However, communicating with encrypted messages requires secret key exchange, which is a part of a complex protocol. In this paper, we propose a new method for exchanging key based on Diffie-Hellman protocol and image registration with fast fourier transform, the principle of this method consists to concealing the key in a set of transformed images. Therefore, image registration allows finding transformations between images, which become a tool for recovering the key by the receiver.

Keywords


Concealing the key; Diffie-Hellman; Image registration; Key exchange protocol; Transformed images

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DOI: http://doi.org/10.11591/ijeecs.v21.i3.pp1751-1758

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Indonesian Journal of Electrical Engineering and Computer Science (IJEECS)
p-ISSN: 2502-4752, e-ISSN: 2502-4760
This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).

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