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IEEE East-West Design & Test Symposium (EWDTS)

Quantum-cryptographic network

Anton Pavlovich Pljonkin, Konstantin E. Rumyantsev

Published Oct 1, 2016• 11 citations
Publisher

Abstract

This paper describes trends in the field of encryption, based on the principles of quantum cryptography. Here is a description of commercial self-compensation quantum key distribution system (QKDS). A description of quantum-cryptographic network stand, based on integrated commercial QKDS Clavis2 from idQuantique (Switzerland), is also proposed. Research of quantum key integration into telecommunication data transmission network encryption protocol is offered. Capabilities of quantum-cryptographic network stand are also formulated.

DOI
10.1109/ewdts.2016.7807623

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This paper describes trends in the field of encryption, based on the principles of quantum cryptography. Here is a description of commercial self-compensation quantum key distribution system (QKDS). A description of quantum-cryptographic network stand, based on integrated commercial QKDS Clavis2 from idQuantique (Switzerland), is also proposed. Research of quantum key integration into telecommunication data transmission network encryption protocol is offered. Capabilities of quantum-cryptographic network stand are also formulated.
This paper describes trends in the field of encryption, based on the principles of quantum cryptography. Here is a description of commercial self-compensation quantum key distribution system (QKDS). A description of quantum-cryptographic network stand is also proposed. Stand based on integrated commercial QKDS Clavis2 from idQuantique (Switzerland). Research of quantum key integration into telecommunication data transmission network encryption protocol was proposed. Capabilities of quantum-cryptographic network stand are also formulated.
The overview of the current status of quantum cryptography is given in regard to quantum key distribution (QKD) protocols, implemented both on nonentangled and entangled flying qubits. Two commercial R&D platforms of QKD systems are described (the Clavis II platform by idQuantique implemented on nonentangled photons and the EPR S405 Quelle platform by AIT based on entangled photons) and tested for feasibility of their usage in commercial TELECOM fiber metropolitan networks. The comparison of systems efficiency, stability and resistivity against noise and hacker attacks is given with some suggestion toward system improvement, along with assessment of two models of QKD.
The exponential growth of global telecommunication networks has heightened the need for robust security frameworks to protect data transmission against evolving cyber threats.Traditional encryption techniques, such as RSA and AES, while effective, are increasingly vulnerable to advances in computational power and the impending threat posed by quantum computing.Quantum cryptography, specifically Quantum Key Distribution (QKD), presents a revolutionary approach to securing telecommunication systems by leveraging the fundamental principles of quantum mechanics.Unlike classical encryption methods, QKD guarantees data security through the use of quantum states that are inherently resistant to interception and eavesdropping due to the no-cloning theorem and Heisenberg's uncertainty principle.From a broader perspective, this paper explores the integration of quantum cryptographic protocols into existing telecommunication infrastructures, emphasizing their potential to safeguard data transmission in fiber-optic and satellite communication networks.It examines the architecture and operational mechanisms of QKD systems, detailing protocols such as BB84 and E91, and evaluates their effectiveness in countering both classical and quantum-enabled cyber-attacks.Additionally, the study delves into the challenges of large-scale deployment, including key distribution range limitations, hardware requirements, and the need for quantum repeaters to support long-distance secure communication.Narrowing the focus, case studies on the implementation of quantum cryptography in 5G networks and global telecommunication hubs are analysed, highlighting their role in enhancing network resilience and ensuring end-to-end encryption.The paper concludes with strategic recommendations for policy development, international standardization, and future research directions to facilitate the widespread adoption of quantum cryptography in the telecommunications sector.
A review of the existing commercial quantum key distribution systems was conducted. The principle of operation of a fiber-optic quantum key distribution system with phase coding of photon states is described. The operation of the system in the mode of forming quantum keys is described. The synchronization process is analyzed, which consists in detecting a time interval with an optical pulse. The basic properties and parameters of auto-compensation quantum key distribution system are reviewed. The images of the current stand of the quantum-cryptographic network are given. The stand includes two stations of the quantum key distribution system with phase coding of photon states, two servers and data transmission channels. It is shown that the formation of a quantum key in the experiment is carried out at a rate of 500 bits per second. The length of the quantum communication channel in the experiment is 24 km. In this case, the quantum channel consists of a conventional single-mode optical fiber. Trends in the development of quantum key distribution systems, as well as trends in the development of protocols for quantum cryptography was conducted.
In this paper, we have considered the examples of classical cryptography. Here we describe ciphers and classical encryption and decryption algorithms. We specify the basic methods and evolution vectors for cryptography and cryptanalysis. We also outline the basic principles of quantum cryptography. You may see how quantum key distribution system works as well as the main types of attacks on quantum communication systems. We have described the quantum key distribution system interaction with hardware encrypter. During this research, we have conducted a review of the requirements for the stability of the developed quantum key integration algorithm.
The emergence of quantum computing poses significant risks to conventional network security, prompting researchers to focus on developments in quantum cryptography, particularly Quantum Key Distribution (QKD).According to research, it has been found that traditional security methods, like RSA encryption, could potentially be at risk from quantum algorithms.On the other hand, quantum cryptography is a field of study that leverages the principles of quantum mechanics to improve the security of communication.One of the techniques used in quantum cryptography is Quantum Key Distribution (QKD), which makes use of the unique properties of quantum particles such as photons to securely distribute encryption keys and detect any potential eavesdropping attempts, thanks to the uncertainty principle.Nevertheless, the integration of QKD into current network infrastructures poses significant challenges due to the required technological advancements.This study offers a comprehensive analysis of the fundamental principles underlying quantum cryptography, the obstacles that arise during its implementation, and its potential prospects for protecting against the risks posed by advancements in quantum computing.Furthermore, this study delves into the potential consequences of these technological advancements across different industries and emphasizes the need to create algorithms that can withstand quantum attacks to guarantee strong data security in the age of digitalization.