ssh personal keypair generation
Original publication date: 2014-09-12 02:26:02+00:00
Generating SSH keys
ssh-keygen -t ecdsa -b 521
Or if you really must,
ssh-keygen -t rsa -b 4096
The Arch wiki suggests using
ssh-keygen -t ecdsa -b 521 -C "$(whoami)@$(hostname)-$(date -I)"
And points out that ecdsa may be incompatible with PuTTY and Gnome Keyring.
And the somewhat controversial Upgrade your SSH keys!
(Controversial because the suggested setup has debatable marginal security relative to ECDSA, is incompatible with older systems, and has relatively little explaination given, which may or may not be a good thing in security)