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Communications in computer and information science

Secured Routing Using Quantum Cryptography

M. Vijay Anand, C. Jayakumar

Published Jan 1, 2012• 1 citation
Publisher
DOI
10.1007/978-3-642-29219-4_81

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In quantum cryptography network routing selection is an important task for performing end-to-end key agreement. In the paper, we propose a stochastic routing algorithm based on distance vector and residual key bits. The main idea is that after all the shortest paths have been obtained, the communication key bits can be transmitted randomly in any path with enough residual key bits. Simulation results show that under stochastic routing algorithm a higher security level can be provided than the one under traditional routing algorithm, e.g. Routing Information Protocol (RIP), in quantum cryptography network.
In this paper, we propose the use of multi-photon quantum cryptography to provide higher data exchange rates and security in quantum networks. We investigate different routing strategies and their effects on key rates, path establishment probabilities, and security. Our simulation varies parameters such as the network size, topology, length of fiber channels, and probability of channel decoherence. Lastly, we also examine the effect of including a trusted nodes in the network and examine the key-rates under different routing strategies.
Healthcare institutions' growing reliance on digital technology for patient information management raises concerns regarding the security and privacy of sensitive health data. Quantum cryptography presents a viable way to improve health data security. Transmission guarantees secrecy and confidentiality. To protect the transmission of health data, this study investigates the quantum of quantum cryptography and how it is used in healthcare systems. It examines the benefits of quantum key distribution (QKD) over traditional encryption techniques and its function in supplying secure communication routes. The study also addresses quantum cryptography's difficulties and possible applications in healthcare systems, emphasizing how it might completely transform data security in this sector.