if err != nil {
		c.sendAlert(alertInternalError)
		return err
	}
	hs.hello.serverShare = keyShare{group: selectedGroup, data: key.PublicKey().Bytes()}
	peerKey, err := key.Curve().NewPublicKey(ecdhData)
	if err != nil {
		c.sendAlert(alertIllegalParameter)
		return errors.New("tls: invalid client key share")
	}
	hs.sharedKey, err = key.ECDH(peerKey)
	if err != nil {

		// > For all of the OIDs, the parameters MUST be absent.
		if len(params.FullBytes) != 0 {
			return nil, errors.New("x509: X25519 key encoded with illegal parameters")
		}
		return ecdh.X25519().NewPublicKey(der)
	case oid.Equal(oidPublicKeyDSA):
		y := new(big.Int)
		if !der.ReadASN1Integer(y) {
			return nil, errors.New("x509: invalid DSA public key")
		}
		pub := &dsa.PublicKey{
			Y: y,

pkg crypto/ecdh, type Curve interface, GenerateKey(io.Reader) (*PrivateKey, error) #52221
pkg crypto/ecdh, type Curve interface, NewPrivateKey([]uint8) (*PrivateKey, error) #52221
pkg crypto/ecdh, type Curve interface, NewPublicKey([]uint8) (*PublicKey, error) #52221
pkg crypto/ecdh, type Curve interface, unexported methods #52221
pkg crypto/ecdh, type PrivateKey struct #52221
pkg crypto/ecdh, type PublicKey struct #52221