I’ve previously written about SSH and ssh-agent on Mac OS X where I mentioned a utility named SSHKeychain that helps manage the agent daemon and your passphrases. Well, Mac OS X 10.5 (Leopard) has been released since that post, and things have changed. The long and the short of it is that ssh-agent is handled much better than before, by default. But its usage can also be a bit confusing (at least