kubernetes/staging/src/k8s.io/kube-aggregator/pkg/apiserver/testdata/server-key.pem

-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIFizWdUWI/ggduZByisCOjPljfUq/f++RwQl0scxeOU/oAoGCCqGSM49
AwEHoUQDQgAEvw23SM/msE+rsXx919gkNM+A7HBJ99YXqvsV0zRd6ykiQV5rszGw
DHF/3sKTbb38eLcF/sORWVEFc4+QqnZLkw==
-----END EC PRIVATE KEY-----