
Post-quantum security for SSH access on GitHub
GitHub is introducing post-quantum secure key exchange methods for SSH access to better protect Git data in transit.

brian m. carlson is an engineer on the Git Systems team and, in their spare time, a contributor to Git.
GitHub is introducing post-quantum secure key exchange methods for SSH access to better protect Git data in transit.
The recent changes to improve protocol security on GitHub.com are now coming to GitHub Enterprise Server, starting with version 3.6.
We’re changing which keys are supported in SSH and removing unencrypted Git protocol. Only users connecting via SSH or git:// will be affected. If your Git remotes start with https://, nothing in this post will affect you. If you’re an SSH user, read on for the details and timeline.