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Springer eBooks

Quantum Cryptographic Key Distribution Models and Protocols and Its Progress

Mahmoud Ahmed Othman Abu Zaid, Ramani Selvanambi

Published Jan 1, 2025• 1 citation
Publisher
DOI
10.1007/978-981-96-4948-8_11

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Quantum Cryptography or Quantum Key Distribution (QKD) solves the key distribution problem by allowing the exchange of a cryptographic key between two remote parties with absolute security, guaranteed by the laws of quantum physics.Extensive studies have been undertaken on QKD since it was noted that quantum computers could break public key cryptosystems based on number theory.Actually, the progress of research in this field allows the implementation of QKD outside of laboratories.Efforts are made to exploit this technology in the existing communication networks and to improve the performance and reliability of the implemented technologies.Some research is in progress for the integration of QKD with the protocols in different layers of OSI model.The examples of such research effort are the integration of QKD in point-to-point protocol (PPP) OSI layer 2 and the integration of QKD with IPSEC at OSI layer-3.All these works are moving towards the utilization of QKD technology for enhancing the security of modern computing applications on the internet.In this paper, we present a novel extension of the TLS protocol based on QKD.We introduce a scheme for integrating Quantum Cryptography in this protocol.Our approach improves the security of the process of authentication and data encryption.Also, we describe an example to illustrate the feasibility of our scheme's implementation.
Quantum Cryptography or Quantum key distribution (QKD) is a technique that allows the secure distribution of a bit string, used as key in cryptographic protocols.When it was noted that quantum computers could break public key cryptosystems based on number theory extensive studies have been undertaken on QKD.Based on quantum mechanics, QKD offers unconditionally secure communication.Now, the progress of research in this field allows the anticipation of QKD to be available outside of laboratories within the next few years.Efforts are made to improve the performance and reliability of the implemented technologies.But several challenges remain despite this big progress.The task of how to test the apparatuses of QKD For example did not yet receive enough attention.These devises become complex and demand a big verification effort.In this paper we are interested in an approach based on the technique of probabilistic model checking for studying quantum information.Precisely, we use the PRISM tool to analyze the security of BB84 protocol and we are focused on the specific security property of eavesdropping detection.We show that this property is affected by the parameters of quantum channel and the power of eavesdropper.