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Proof-Carrying Cryptography via Quantum Key Distribution Networks

Jincheng Zhang

Published Aug 28, 2026• 0 citations
Publisher

Abstract

This paper proposes a novel approach to secure communication networks utilizing Quantum Key Distribution (QKD) networks integrated with a Proof-Carrying Protocol (PCP). The core idea centers around establishing cryptographic keys through QKD and then employing a classical network infrastructure, alongside a PCP, to verify the authenticity of these keys. This architecture aims to bridge the gap between the theoretically secure quantum key exchange and the practical demands of existing communication networks. The proposed system leverages the inherent security of QKD against eavesdropping attacks while maintaining the flexibility and robustness of classical networks. The key mathematical components, including QKD protocols and PCP mechanisms, are detailed, highlighting the synergy between quantum and classical approaches for enhanced security. This research contributes a viable pathway for building future secure communication systems, particularly in environments where traditional cryptographic methods are vulnerable to advancements in computing power, including quantum computing.

DOI
10.5281/zenodo.22139323

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