Extending the reach of Quantum Key Distribution

Sarah Kaiser • Macquarie University

Information security is an integral part of modern society.

Classical infrastructure is already horribly compromised.

Attacks on classical key exchange will only get worse.

At least many people are Shor...

Potentially Secure Key Exchange

Post-quantum cryptography

Quantum key distribution


  1. What is Quantum key distribution (QKD)?
  2. Current challenges for QKD
  3. QKD in space
  4. Hacking QKD hardware
  5. What is next for QKD?

Commercial QKD devices

id Quantique Clavis 2

Airborne receiver results: Arc pass

Airborne testing results plot

Hacking QKD Hardware