This is really just a proof-of-concept demonstration. They cracked a 22-bit key/50-bit keypair, something my iphone dould also do relatively trivially. If I make an RSA key I tend to go for 4096 bits these days…
Post-quantum cryptography is a real threat to manage, but it’s still not here yet, or imminent either. There are a bunch of algorithms that show promise [1] for being quantum-computer resistant. Even with Shors or Grover’s quantum algorithms, we are still probably decades away from being at-risk for traditional RSA.
Chalk this one up to “interesting, and very cool, but not dangerous”…
[1] https://en.wikipedia.org/wiki/Post-quantum_cryptography
