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All Journal Journal of the Indonesian Mathematical Society Indonesian Journal of Electrical Engineering and Computer Science
Özen ÖZER
Kırklareli University
Mathematics

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Determination of the Some Results for Coupled Fixed Point Theory in C*-Algebra Valued Metric Spaces saleh omran; Özen ÖZER
Journal of the Indonesian Mathematical Society Volume 26 Number 2 (July 2020)
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.26.2.914.258-265

Abstract

In the present paper, we introduce the coupled xed point theorem in C*-algebra valued metric spaces. We get a C*-algebra valued metric space which get values in noncomutative operators. We demonstrate existance and uniqeness of coupled fixed point in a such space. Besides, we support our results by giving numerical examples.
Key exchange based on Diffie-Hellman protocol and image registration Rachid Rimani; Naima Hadj Said; Adda Ali Pacha; Ozen Ozer
Indonesian Journal of Electrical Engineering and Computer Science Vol 21, No 3: March 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v21.i3.pp1751-1758

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.
Co-Authors Adda Ali Pacha Naima Hadj Said Rachid Rimani saleh omran