Imports github.com/mitchellh/packer/helper/config github.com/mitchellh/packer/common github.com/mitchellh/packer/packer github.com/mitchellh/packer/template/interpolate Standard library imports bufio bytes crypto/rand crypto/x509 encoding/binary errors fmt io io/ioutil log net os os/exec path/filepath strconv strings sync crypto/rsa encoding/pem