Imports github.com/docker/machine/libmachine/log github.com/docker/machine/libmachine/mcnutils golang.org/x/crypto/ssh golang.org/x/crypto/ssh/terminal github.com/docker/docker/pkg/term Standard library imports crypto/rand crypto/rsa crypto/x509 encoding/base64 encoding/pem errors fmt io io/ioutil os os/exec runtime strings crypto/md5