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This report details the development of a prototype VPN that utilizes keys derived from Quantum Key Distribution (QKD) delivered via the ETSI GS QKD 014 API, employing AES-256-GCM for encryption. The system was validated using a controlled Key Management Entity (KME) simulator and successfully transmitted real-time audio and video traffic over a period of eight hours on Jetson Xavier NX devices connected to a LuxQuanta NOVA QKD platform. This integration showcases the practical viability of combining classical VPN technology with advanced QKD infrastructure, paving the way for enhanced security in network communications.
Real-time audio and video traffic can be securely transmitted over a VPN using quantum-derived keys, merging classical and quantum security paradigms.
This report presents a prototype VPN that uses QKD-derived keys delivered through the ETSI GS QKD 014 API. The VPN encrypts IP traffic with AES-256-GCM, transports ETSI key identifiers in-band, and retrieves matching keys from local KMEs. After validation with a controlled KME simulator, the system was tested on two Jetson Xavier NX devices connected to a LuxQuanta NOVA QKD platform. The experiment successfully transmitted bidirectional real-time audio and video traffic through the VPN for eight continuous hours, demonstrating the feasibility of integrating classical VPN applications with QKD infrastructure through a standardized key-delivery interface.
