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International Conference on Signal Processing Systems (ICSPS)

Using Quantum Cryptography for Securing Wireless LAN Networks

Abolfazl Falahati, Hadi Meshgi

Published Jan 1, 2009• 6 citations
Publisher

Abstract

Quantum cryptography is an emerging technology in which two parties may simultaneously generate shared, secret cryptographic key material using the transmission of quantum states of light. Key distribution is the problem of classical cryptography algorithm, and tends to provide safe channel to transport key. Quantum cryptography could distribute key in quantum channel. Eavesdropper can not access to key on quantum channel. If Eve attack on quantum channel QBER increases and she is detected. While the application of quantum cryptography in fiber network has significant advances, research on the application of quantum cryptography in mobile networks is still premature. In this paper, we analyze the interests of using quantum technique for the distribution of encryption keys in 802.11 wireless networks. We also propose a scheme for the combination of quantum cryptography and 802.11i security mechanisms for the establishment of the PTK (Pairwise Transient Key).

DOI
10.1109/icsps.2009.216

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Quantum cryptography is an emerging technology in which two parties may simultaneously generate shared, secret cryptographic key material using the transmission of quantum states of light. Key distribution is the problem of classical cryptography algorithm, and tends to provide safe channel to transport key. Quantum cryptography could distribute key in quantum channel. Eavesdropper can not access to key on quantum channel. If Eve attack on quantum channel QBER increases and she is detected. While the application of quantum cryptography in fiber network has significant advances, research on the application of quantum cryptography in mobile networks is still premature. In this paper, we analyze the interests of using quantum technique for the distribution of encryption keys in 802.11 wireless networks. We also propose a scheme for the combination of quantum cryptography and 802.11i security mechanisms for the establishment of the PTK (Pairwise Transient Key).
Quantum cryptography is considered as a promising solution towards absolute security in long-term cryptosystems. While the application of quantum cryptography in fiber networks has significant advances, research on the application of quantum cryptography in mobile networks is still premature. In this paper, we analyze the interests of using quantum technique for the distribution of encryption keys in 802.11 wireless networks. We also propose a scheme for the integration of quantum cryptography in 802.11i security mechanisms for the establishment of the PTK (pairwise transient key).
Quantum cryptography is a promising solution towards absolute security in long term cryptosystems. 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. In this paper, we analyze the interests of using quantum cryptography in 802.11 wireless networks, and propose a scheme integrating quantum cryptography in 802.11i security mechanisms for the distribution of the encryption keys. The use of an apparatus network to provide alternative line-of-sight paths is also discussed.
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.
Quantum Key Distribution (QKD) is an ingenious application of quantum mechanics in information field. Wireless Local Area Network (WLAN) is gaining popularity as they are fast, cost effective, flexible and easy to use. They are, however, faced with some serious security challenges and the choice of security protocol is a critical issue for IT. In this paper, it analyzes the IEEE 802.11i wireless networking amendment with respect to data confidentiality, integrity, mutual authentication and availability. It provides novel high-performance quantum cryptography architectures in IEEE 802.11 WLAN by establishing a quantum key over a long distance. The supplicant sends qubits to the authenticator server by sharing EPR. Compared with the classical network architecture, it is proved in theory that an eavesdropper (Eve) invariably introduces errors within communication network if it wants to gain useful information. Quantum cryptography guarantees the security of the network.
Quantum key distribution is a new method in key distribution system in cryptography used to transmit secret key between two legitimate parties. This method is an invention in quantum cryptography as part of quantum mechanics which solves the key distribution's problem in cryptosystem by providing a secure communication channel between two parties with absolute security guaranteed by the laws of physics. Communication not only occurred in wired medium but also in wireless medium. WLAN as a wireless medium are much noisier and less reliable in general than wired mediums. This type of noise will generate different numbers of key length and also different level of error rate estimation. Thus, how much secure of the data could be protected on wireless communication? In this study, we implement BB84 protocol on 802.11i wireless local area network (WLAN) to show the affect of noise and eavesdropper could make the data transmission is much secure in wireless medium. In our study shows that implementation of BB84 in 802.11i is able to secure the key distribution from being stealing by the third party.
Recent misuse of wireless internet by terrorists has increased the need for security in the same. With ever growing technology both cryptographers, who encrypt messages, and cryptanalysts, who break those codes, have equal opportunities and facilities. Quantum Cryptography seems to be a promising solution providing absolute security in such communications. Its works by identifying the threats and combats them by using basic laws of Quantum Physics. Since the first proposition on quantum key distribution protocol appeared in 1984, research on quantum cryptography has been growing rapidly. Experiments of quantum key distribution have been realized for optical and free-space environments [1, 2, 3, and 4]. In fiber networks, some products have been commercialized to provide a turnkey service for widely used encryption algorithms [5], In section 2 and 3 we analyze the authentication and key management in 802.11 networks and in section 4 we are giving the introduction of Quantum Cryptography with QKD and in section 5 we are integrating quantum technique for the distribution of encryption keys in 802.11 wireless networks.