This problem has been solved long ago in OpenSSH: https://www.digitalocean.com/community/tutorials/how-to-create-an-ssh-ca-to-validate-hosts-and-clients-with-u

This problem has been solved long ago in OpenSSH: https://www.digitalocean.com/community/tutorials/how-to-create-an-ssh-ca-to-validate-hosts-and-clients-with-ubuntu https://www.digitalocean.com/community/tutorials/how-to-crea...