Imports github.com/golang/glog github.com/openshift/origin/pkg/auth/authenticator/request/x509request github.com/openshift/origin/pkg/cmd/util k8s.io/kubernetes/pkg/auth/user k8s.io/kubernetes/pkg/util/sets Standard library imports bytes crypto crypto/ecdsa crypto/rand crypto/rsa crypto/tls crypto/x509 crypto/x509/pkix encoding/pem errors fmt io/ioutil math/big net os path/filepath strconv sync time