Function generateECDHEKey

key_schedule.go:63–70

generateECDHEKey returns a PrivateKey that implements Diffie-Hellman according to RFC 8446, Section 4.2.8.2.

(rand io.Reader, curveID CurveID)

// generateECDHEKey returns a PrivateKey that implements Diffie-Hellman
// according to RFC 8446, Section 4.2.8.2.
func generateECDHEKey(rand io.Reader, curveID CurveID) (*ecdh.PrivateKey, error) {
	curve, ok := curveForCurveID(curveID)
	if !ok {
		return nil, errors.New("tls: internal error: unsupported curve")
	}

	return curve.GenerateKey(rand)
}

func curveForCurveID(id CurveID) (ecdh.Curve, bool) {
	switch id {