# openssl ecparam -out mock-ecc.key -name prime256v1 -genkey

-----BEGIN EC PARAMETERS-----
BggqhkjOPQMBBw==
-----END EC PARAMETERS-----
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIIdevEpPq+LmSqzcYwKk0MgKLcTn7vUNPpvvoJl9v/yEoAoGCCqGSM49
AwEHoUQDQgAE5BRvKPl0iCppAFY4luyrbS6wIRAV6CY3PkhNpWgcRk40q7Ev85LM
7I2GwyMihC+GlrZkJ5cz0gzUrGawAsx/Iw==
-----END EC PRIVATE KEY-----