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International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)

Network management system for Quantum Key Distribution

Piya Techateerawat

Published May 1, 2011• 1 citation
Publisher

Abstract

Quantum Key Distribution (QKD) is developed to improve the security network in key exchange field. There are several success network equipment in implement QKD. However, the key distribution is limited to use in point-to-point scope. In this paper, we propose a design in quantum cryptography network that will extend the ability of number of users in present quantum cryptography network from point-to-point to multi-user network and sustain the security of the network. The developed system is implemented based on the existing quantum cryptography by managing the pairs joining of QKD system. The result of simulation is proven the feasibility to implement the proposed concept in real implementation.

DOI
10.1109/ecticon.2011.5947830

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Quantum Key Distribution (QKD) is developed to improve the security network in key exchange field. There are several success network equipment in implement QKD. However, the key distribution is limited to use in point-to-point scope. In this paper, we propose a design in quantum cryptography network that will extend the ability of number of users in present quantum cryptography network from point-to-point to multi-user network and sustain the security of the network. The developed system is implemented based on the existing quantum cryptography by managing the pairs joining of QKD system. The result of simulation is proven the feasibility to implement the proposed concept in real implementation.
Quantum Key Distribution (QKD) is developed to improve the security network in key exchange field. There are several success network equipments in implement QKD. However, the key distribution is limited to use in point-to-point scope. In this paper, we propose a design in quantum cryptography network that will extend the ability of number of users in present quantum cryptography network from point-to-point to multi-user network and sustain the security of the network. The developed system is implemented based on the existing quantum cryptography by managing the pairs joining of QKD system. The result of simulation is proven the feasibility to implement the proposed concept in real implementation.
Quantum Key Distribution (QKD) is developed to improve the security network in key exchange field. There is several success network equipment in implement QKD. However, the key distribution is limited to use in point-to-point scope. In this paper, a network in quantum cryptography network is simulated based on actual Thailand broadband services that will extend the ability of number of users in present quantum cryptography network from point-to-point to multi-user network and sustain the security of the network. The developed system is implemented based on the existing quantum cryptography by managing the pairs joining of QKD system and real data of last-mile infrastructure and services of rural and remote broadband development in Thailand. The result of simulation is proven the feasibility to implement the proposed concept in real implementation.
Quantum Key Distribution (QKD) technology enables the capabilities to distribute secure keys consisting of symmetric random bit strings that can be proven to be secure even against a cyberattack with an unbounded computational ability. QKD, however, has critical limitations in terms of scalability, availability and expense. QKD network (QKDN) is a technology which addresses these shortcomings by control and management capabilities to extend the reachability and availability. This paper proposes an architecture for QKDN control and management to address the required functionality and its proof of concept implementation.
In conventional security mechanism, security services based on symmetric key cryptography assume keys to be distributed prior to secure communications. The core function of exchanging and sharing a secret key between two endpoints are the secure key management methodology which is one of the most critical elements need to be more concerned when integrating cryptographic functions into the system. In case the key management mechanisms is weak can lead to the vulnerability holes or a potentially fatal outsider attacks as the harmful effects to the system. Since, there is still no standardized architecture or protocol that can provide cross application symmetric key management services. Therefore, this paper approaches a secure key management model and its custom protocols to build Thailand quantum trusted network with offers simultaneous quantum key distribution to multiple user overtime. Consequently, the proposed technique has also overcome the limitation of quantum point-to-point key sharing. Based on the discussion of key management security requirement, deal with generic key management concepts and designing the new custom protocols to close the possibility loopholes, to offers reliability and convenience of use, as well as to introduce a secure and efficient key management technique for quantum cryptography network in Thailand where any communication services can take place.
Existing network cryptography systems are threatened by recent developments in quantum computing. For example, the Shor algorithm, which can be run on a quantum computer, is capable of overriding public key-based network cryptography systems in a short time. Therefore, research on new cryptography systems is actively being conducted. The most powerful cryptography systems are quantum key distribution (QKD) and post quantum cryptograph (PQC) systems; in this study, a network based on both QKD and PQC is proposed, along with a quantum key management system (QKMS) and a Q-controller to efficiently operate the network. The proposed quantum cryptography communication network uses QKD as its backbone, and replaces QKD with PQC at the user end to overcome the shortcomings of QKD. This paper presents the functional requirements of QKMS and Q-Controller, which can be utilized to perform efficient network resource management.
This paper investigates the increasing concerns related to the vulnerability of contemporary security solutions in the face of quantum-based attacks, which pose significant challenges to existing cryptographic methods. Most current Quantum Key Distribution (QKD) protocols are designed with a focus on point-to-point communication, limiting their application in broader network environments where multiple users need to exchange information securely. To address this limitation, a thorough analysis of twin-field-based algorithms is conducted, emphasizing their distinct characteristics and evaluating their performance in practical scenarios in Sections II, III, and IV. By synthesizing insights from these analyses, integrating cutting-edge advancements in Quantum Communication technologies, and drawing on proven methodologies from established point-to-point protocols, this study introduces a novel concept for a Hybrid Twin-Field QKD protocol in Section IV. This network-oriented approach is designed to facilitate secure communication in networks involving multiple users, offering a practical and scalable solution. The proposed protocol aims to reduce resource consumption while maintaining high-security standards, thereby making it a viable option for real-world quantum communication networks. This work contributes to the development of more resilient and efficient quantum networks capable of withstanding future quantum-based threats.