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