Imports code.google.com/p/go.crypto/ssh github.com/mitchellh/multistep github.com/mitchellh/packer/builder/common github.com/mitchellh/packer/communicator/ssh github.com/mitchellh/packer/packer Standard library imports bytes crypto/sha256 encoding/hex errors fmt io io/ioutil log math/rand net net/http os os/exec path/filepath regexp strconv strings text/template time unicode unicode/utf8