vendor/github.com/coreos/etcd/hack/tls-setup/config/ca-csr.json

{
  "CN": "Autogenerated CA",
  "key": {
    "algo": "ecdsa",
    "size": 384
  },
  "names": [
    {
      "O": "Honest Achmed's Used Certificates",
      "OU": "Hastily-Generated Values Divison",
      "L": "San Francisco",
      "ST": "California",
      "C": "US"
    }
  ]
}