Practical Quantum Cryptography Devices:

how to make them and how to break them


Sarah Kaiser • Institute for Quantum Computing
www.sckaiser.com/research/talks/macquarie_seminar_2016

Long story short:

  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

Hacking QKD Hardware