I've contemplated doing something similar. Except the way I'd do it is statically link OpenSSH and Tor into a single portable binary. Then create an onion servi

I've contemplated doing something similar. Except the way I'd do it is statically link OpenSSH and Tor into a single portable binary. Then create an onion service to a local sshd. Then just provide the onion address (still would use traditional auth). Of course lots of configurability. This has lots of benefits of course and can be completely self contained and ephemeral.