Pablo P. Rejo, Manuel Fernández-Veiga, Ana Fernández-Vilas, Diego Cajaraville-Aboy, Javier Vecino-Peñas, Rebeca P. Díaz-Redondo · 2026 · arXiv
DOI: 10.48550/arXiv.2610.27332 · open-access PDF
本文介绍了一个分布式密钥管理系统(DKMS),它为网络上的应用提供量子安全的对称加密密钥。为了克服量子密钥分布(QKD)固有的距离和速率限制,该架构采用混合式设计:它用于物理密钥传输,同时应用一个端到端的后量子密码(PQC)层,以确保传输的密钥材料仍然受到严格的中间节点保护。
Machine translation (Meta M2M100); the English original follows.
This article presents a Distributed Key Management System (DKMS) that provisions quantum-safe symmetric encryption keys to applications across a network. To overcome the distance and rate limitations inherent to Quantum Key Distribution (QKD), the architecture adopts a hybrid design: it utilizes multi-hop trusted relays for physical key transport, while applying an end-to-end Post-Quantum Cryptography (PQC) layer to ensure the relayed key material remains strictly protected from intermediate nodes. Because QKD transforms key generation into a scarce physical resource, managing unpredictable ap
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