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Lecture notes in computer science

Multi-Agent Based Approach for Quantum Key Distribution in WiFi Networks

Shirantha Wijesekera, Xu Guang Huang, Dharmendra Kumar Sharma

Published Jan 1, 2009• 14 citations
Publisher
DOI
10.1007/978-3-642-01665-3_30

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In a growing world of users who seek services of wireless networks for their day-to-day activities, providing secured communication has become a prime and serious concern. But wireless communications are vulnerable to security attacks. Out of many wireless networks, WiFi, known as IEEE 802.11, has attracted millions of users worldwide. Our previous research work has demonstrated a quantum cryptography based approach to distribute the secrete key in 802.11 networks. In the current paper, we attempt to focus on the simulations and the analysis of our implementation of the experimental results about the key distribution solutions to confirm our previous research results.
The cyber-security of multi-agent control systems has become vital in practice. To protect the communication process between the individual agents over TCP/IP networks, one must encrypt the messages to be sent, which is costly in a large-scale network when high-level security is demanded. To lessen the burden of heavy encryption and decryption processes, we introduce the Homomorphic Encryption to reduce the number of encryption/decryption terminals that are supposed to equip with every agent. The security is enhanced by the quantum key distribution technology, which can generate secret keys that are theoretically absolutely secure even against quantum computation. We proposed a hybrid method that make good use of the randomness of quantum keys, one-time pad and symmetric encryption to make sure the overall security of homomorphic encryption algorithms. Numerical simulations are provided to illustrate how our scheme.
Wireless technology is rapidly evolving, and is playing an important role in the lives of people throughout the world. Due to the nature of wireless communications, it is possible for an adversary to snoop on confidential communications or modify them to gain access to the wireless networks more easily than with wired networks. Out of many wireless networks, WiFi, known as IEEE 802.11, has attracted millions of users worldwide. Our previous research work has demonstrated a quantum cryptography based approach to distribute the secrete key in 802.11 networks. In the current paper, we attempt to focus on the simulations and the analysis of our implementation of the experimental results about the key distribution solutions to confirm our previous research results.