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International Journal of Network Security & Its Applications

Improving TLS Security By Quantum Cryptography

Mohamed Elboukhari, Mostafa Azizi, Abdelmalek Azizi

Published Jul 9, 2010• 7 citations
Publisher

Abstract

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.

DOI
10.5121/ijnsa.2010.2306

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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.
Summary Quantum Key Distribution (QKD) or quantum cryptography has been developed within the last decade; it is proved that QKD is secure against computer attacks and it is considered as a promising solution towards absolute security within long-term cryptosystems. Currently, research efforts are required to make strongly secure the existing communication protocols; we suggest as an issue to improve their security levels by integrating QKD. In this paper, we explore the possibility of using QKD for local area networks (LAN); we propose thus a scheme for integrating quantum cryptography in the TLS protocol. This will much contribute to enhance the process of authentication and data encryption. We present also an example to illustrate the feasibility of our scheme’s implementation.
Since it was noted that quantum computers could break public key cryptosystems based on number theory, extensive studies have been undertaken on Quantum Key Distribution (QKD). QKD or Quantum Cryptography 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 physics. Actually, the progress of research in this field allows the implementation of Quantum Cryptography 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. The cryptosystems based on QKD are very promising and also the technology is improving more and more to fulfill requirements. In this paper, we provide a state-of-the-art of practical Quantum Cryptography by exposing the popular works and projects on QKD implementation.
An integration of Quantum Key Distribution and Transport Layer Security is an important research area aimed at addressing the vulnerabilities of traditional cryptographic systems posed by the advancement of quantum computing. QKD leverages the principles of quantum mechanics to provide absolute security, while TLS is a widely used protocol that ensures the confidentiality and integrity of internet communications, offering end-to-end security. The combination of these two technologies is considered a method to enhance TLS by incorporating QKD-generated keys, thereby mitigating potential security risks arising from quantum computing. This paper proposes the QKD-TLS integration models that can support end-to-end secure communication.
Abstract With the rapid advancement of quantum computing, traditional security protocols based on classical encryption algorithms are increasingly vulnerable to potential quantum attacks. The current IPsec protocol, which relies on classical cryptographic methods, is insufficient to withstand such threats, thereby compromising the security of long-term data transmission. To address this issue, we propose integrating quantum key distribution (QKD) into the internet protocol security (IPsec) protocol, thereby enhancing its resilience against quantum computing attacks. Here, two schemes that merge QKD-generated keys with classical cryptographic keys are designed to enhance both security and stability. Furthermore, we conduct a comprehensive evaluation of the performance of various QKD protocols implemented with the scheme, along with an assessment of its overall efficacy across a topological network configuration. This approach not only ensures secure data transmission in the era of quantum computing but also highlights the potential application value of integrating QKD with IPsec, providing valuable insights for the design and implementation of future quantum-secure communication systems.
After a good period of time with experimentation in quantum cryptography (QC) in labs and somewhat for less extent with experience in deploying stand-alone point-to-point commercial QC products, it is definitely prudent now to explore the great advantages of integrating QC with the already-existing Internet security infrastructure. SSL/TLS is a protocol that is used for a vast majority of secure transactions over the Internet. However, this protocol needs to be extended in order to create a promising platform for the integration of QC into the Internet infrastructure. This paper presents a novel extension of SSL/TLS that significantly facilitates such type of integration. This extended version of SSL/TLS is called QSSL (Quantum SSL). During the development of QSSL, a concentration has been made on the creation of a simple, efficient, general, and flexible architecture that enables the deployment of practical quantum cryptographic-based security applications. Indeed, QSSL efficiently supports unconditionally secure encryption (one-time pad) and/or unconditionally secure authentication (based on universal hashing). A simplified version of QSSL based on BB84 (Bennett–Brassard 84) quantum key distribution (QKD) protocol has been implemented and experimentally tested. This has enabled to experimentally assess the proposed protocol design based on software simulation of the quantum channel events used for QKD.
Extensive studies have been undertaken on quantum cryptography, which offers unconditionally secure communication based on quantum mechanics, since it was noted that quantum computers could break public key cryptosystems based on number theory. Now there is a strong need of research to exploit this technology in the existing communication networks. While the use of quantum cryptography in fiber optical networks gets significant advances, research on the application of quantum cryptography in mobile wireless network is still premature. There are a large variety of kinds of mobile wireless networks, Wi-Fi, based on the IEEE 802.11 standard, is wireless local area network and due to the limited coverage area, this environment potentially offers a chance to let quantum key distribution (QKD) play a role in the wireless communication. In this paper, we propose a technique of integrating quantum cryptography in 802.11 to provide a secure service of authentication. It is based on integrating QKD in the EAP-TLS conversation to enhance the security of the authentication process.