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.
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.
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.
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.
The current standard to exchange a secret key for ensuring secure data transmission within the SSL/TLS protocol is based on Public-Key encryption. This method is only secure as long as the computation power of a potential attacker is limited. So far, the only way to make an unconditional secure key exchange, is to use quantum key distribution (QKD). With the latest figures of sifting key rates provided by NIST, we show which authentic theoretical final key rates are possible. Furthermore we present a modified SSL/TLS protocol, which uses quantum key distribution, in different encryption variants.
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.
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.
All Classical cryptographic methods used in our life based on mathematical ideas & computational assumption are actually unsafe, so quantum cryptography is proposed nowadays Quantum key distribution (QKD) promises secure key agreement by using quantum mechanical systems. QKD will be an important part of future cryptographic infrastructures. It can provide long-term confidentiality for encrypted information without reliance on computational assumptions. Although QKD still requires authentication to prevent man-in-the-middle attacks. Firstly, In this paper At quantum key distribution protocol process is introduced. Secondly, several improvements to the basic steps of two references are reviewed because of its defects, mainly about identity authentication in order to prevent communication partners' counterfeit, including errors removing, estimating Attacker's information, secrecy enhancement, etc. At last, based upon original improvements reserved selectively, the whole process of quantum key distribution protocol after improvement & then comparison is introduced in detail.