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Description
Over the past decade, quantum computers have matured from experimental units with only a couple of qubits to hundreds of qubits with first implementations of error correction. Last year, breakthroughs in quantum computing networking have been announced as well. As such, we are rapidly approaching the point at which quantum networking will be part of the quantum computing landscape and classical security measures will no longer be appropriate.
In this talk, I will give an introduction the challenges faced when combining quantum communications channels with post-quantum cryptography. In particular, I will look at the specific challenge of onion routing in quantum networks. Onion routing is a method that not only keeps a message hidden, but also obfuscates who is talking to whom. While basic cryptographic ideas can be generalized to quantum networks, quantum onion routing has to contend with specific challenges arising from quantum computing restrictions.
