Imports code.google.com/p/go.crypto/ssh github.com/mitchellh/mapstructure github.com/mitchellh/multistep github.com/mitchellh/packer/common github.com/mitchellh/packer/common/uuid github.com/mitchellh/packer/communicator/ssh github.com/mitchellh/packer/packer Standard library imports crypto/rand crypto/rsa crypto/x509 encoding/json encoding/pem errors fmt io/ioutil log net/http net/url os strings time