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Provably Dwindling Three-Party Spurious Classical and Quantum Key Distribution Protocols

V. Sathya, Kirankumar Manivannan, P. Prema, S. Saranya, Sanjay Misra

Published Mar 3, 2023• 1 citation

Abstract

This chapter presents quantum key distribution protocols (QKDPs) to safeguard security in large networks, ushering in new directions in classical cryptography and quantum cryptography. Two three-party QKDPs, one with implicit user authentication and the other with explicit mutual authentication, are proposed to demonstrate the merits of the new combination, which include the following: 1) Security against such attacks as man-in-the-middle, eavesdropping, and replay, 2) Efficiency is improved as the proposed protocols contain the fewest number of communication rounds among existing QKDPs, and 3) Two parties can share and use a long-term secret (repeatedly). To prove the security of the proposed schemes, this work also presents a new primitive called the unbiased-chosen basis (UCB) assumption.

DOI: 10.4018/978-1-6684-6697-1.ch007

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