Imports github.com/openshift/origin/pkg/cmd/util github.com/openshift/origin/pkg/auth/authenticator/request/x509request github.com/GoogleCloudPlatform/kubernetes/pkg/auth/user github.com/GoogleCloudPlatform/kubernetes/pkg/util github.com/golang/glog Standard library imports io/ioutil math/big net os path/filepath strconv sync time bytes crypto crypto/ecdsa crypto/rand crypto/rsa crypto/tls crypto/x509 crypto/x509/pkix encoding/pem errors fmt