Imports github.com/mitchellh/mapstructure github.com/mitchellh/packer/packer github.com/mitchellh/packer/communicator/ssh github.com/mitchellh/go-fs github.com/mitchellh/go-fs/fat code.google.com/p/go.crypto/ssh github.com/mitchellh/multistep Standard library imports bytes encoding/hex errors fmt io io/ioutil log net/http net/url os path/filepath runtime sort strings time hash crypto/sha512 crypto/sha256 crypto/sha1 crypto/md5