- Kubeadm: add the experimental feature gate PublicKeysECDSA that can be used to create a
  cluster with ECDSA certificates from "kubeadm init". Renewal of existing ECDSA certificates is
  also supported using "kubeadm alpha certs renew", but not switching between the RSA and

		{"Curve", Type, 20},
		{"P256", Func, 20},
		{"P384", Func, 20},
		{"P521", Func, 20},
		{"PrivateKey", Type, 20},
		{"PublicKey", Type, 20},
		{"X25519", Func, 20},
	},
	"crypto/ecdsa": {
		{"(*PrivateKey).ECDH", Method, 20},
		{"(*PrivateKey).Equal", Method, 15},
		{"(*PrivateKey).Public", Method, 4},
		{"(*PrivateKey).Sign", Method, 4},
		{"(*PublicKey).ECDH", Method, 20},

pkg crypto/ecdh, type Curve interface, unexported methods #52221
pkg crypto/ecdh, type PrivateKey struct #52221
pkg crypto/ecdh, type PublicKey struct #52221
pkg crypto/ecdsa, method (*PrivateKey) ECDH() (*ecdh.PrivateKey, error) #56088
pkg crypto/ecdsa, method (*PublicKey) ECDH() (*ecdh.PublicKey, error) #56088
pkg crypto/ed25519, func VerifyWithOptions(PublicKey, []uint8, []uint8, *Options) error #31804