[dekhn]

We can assume that NSA maintains a hardware portfolio and that quantum computers would be a tiny part of that. I'm sure NSA has been able to decrypt RSA for a while. https://www.reuters.com/article/us-usa-security-nsa-rsa/excl... and https://en.wikipedia.org/wiki/Bullrun_(decryption_program) and https://www.pcworld.com/article/2064960/google-strengthens-i...

The history of decryption hardware is fascinating and filled with practical solutions, which QC is not.