Re:Keystroke timing obfuscation added to SSH(1)
by scarby2 on Tuesday August 29, 2023 @01:34PM
(#37311200)
That common secret is usually an ssh key which is held somewhere secure hopefully with auditable access.
For bootstrapping you can bake a bootstrapping key into your installer which is removed after the system is configured.
There is a role for a common secret in a secure ecosystem (password, passkey)