Proposta de Open RAN Seguras Através de Distribuição De
Chaves Quânticas Criptográficas em Redes QKDs Definidas
Por Software

Abstract: This article proposes the integration of the Open RAN architecture with
software-defined Quantum Key Distribution (QKD) networks to enhance the security
of cryptographic key exchanges. The initiative introduces a service layer, called
O‑QKDN, which automates key transfer through quantum channels, mitigating
vulnerabilities inherent in conventional methods. The architecture integrates QKD
nodes near Open RAN components and employs SDN to orchestrate key distribution in
critical channels, such as Fronthaul links and the connection between DU and CU,
while remaining compliant with O‑RAN Alliance specifications.

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