Imports github.com/docker/docker/pkg/term github.com/docker/machine/libmachine/log github.com/docker/machine/libmachine/mcnutils github.com/jcelliott/lumber golang.org/x/crypto/ssh golang.org/x/crypto/ssh/terminal Standard library imports bytes crypto/rand crypto/rsa crypto/x509 encoding/binary encoding/pem fmt io io/ioutil os os/signal strconv strings syscall time