Hacker News new | ask | show | jobs
by tptacek 3078 days ago
The blue Yubikeys sold as U2F keys can't be used for SSH the way this article suggests; it's talking about the Y4 keys, which are essentially tiny USB HSMs. Y4 SSH isn't a 2FA mechanism; it's a way to keep your SSH key on a piece of hardware where it can't be extracted.