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

-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIBoMWQC4K4Vp/wKA7yHBVWgjV69lpGhAZZAAcsf8osUVoAoGCCqGSM49
AwEHoUQDQgAEPwxv8IjkfU5AivcK0IiurHL9H6EiGh+zZ0S8r+PBW0DXFPXcAjQc
tE8gVHu3fp90y1JVTriaxriU/x8Lbrp8ZA==
-----END EC PRIVATE KEY-----