BSidesVienna 0x7EA

Quantum Secure Communication
06-27, 16:05–16:50 (Europe/Vienna), Dachsaal (Track 2 )

Open Source Quantum Secure VPN - QKD + PQC over WireGuard

Quantum computers will break the encryption we rely on today, and the clock is ticking. But what does that actually mean, and what can you do about it right now?
This talk starts from the ground up, giving attendees an accessible introduction to the two quantum-safe building blocks: Post-Quantum Cryptography (PQC), a mathematical software-based replacement for classical key exchange, and Quantum Key Distribution (QKD), a physics-based approach that uses quantum optical channels to distribute keys with information-theoretic security. No prior knowledge of quantum mechanics required.
The second half of the talk is around ARNIKA (https://github.com/arnika-project/arnika) and how to build a fully open-source quantum secure VPN that wraps WireGuard with both PQC (Rosenpass) and QKD (via the ETSI014 API) into a single deployable solution.

Attendees will leave with:
QKD and PQC fundamentals, what they are, how they differ, and when to use each
A technical dive into open-source quantum secure VPN architecture, key derivation, ETSI014 integration, and WireGuard PSK injection

Target audience:
Security professionals and engineers curious about quantum-safe networking, no quantum physics or crypto background needed.

Andreas Neuhold has 17+ years of experience building and operating core and security solutions for cable, fibre, and mobile internet access for leading international Tier-1 ISPs.
Current areas of activity include projects and R&D aimed at developing new technologies, standards, and integrations in the fields of Quantum Communication using both Quantum Key Distribution (QKD) and Post-Quantum Cryptography (PQC).