Method sendDummyChangeCipherSpec

handshake_server_tls13.go:629–639

sendDummyChangeCipherSpec sends a ChangeCipherSpec record for compatibility with middleboxes that didn't implement TLS correctly. See RFC 8446, Appendix D.4.

()

// sendDummyChangeCipherSpec sends a ChangeCipherSpec record for compatibility
// with middleboxes that didn't implement TLS correctly. See RFC 8446, Appendix D.4.
func (hs *serverHandshakeStateTLS13) sendDummyChangeCipherSpec() error {
	if hs.c.quic != nil {
		return nil
	}
	if hs.sentDummyCCS {
		return nil
	}
	hs.sentDummyCCS = true

	return hs.c.writeChangeCipherRecord()
}

func (hs *serverHandshakeStateTLS13) doHelloRetryRequest(selectedGroup CurveID) (*keyShare, error) {
	c := hs.c