Esempio n. 1
0
        // --- Handshake Packets -------------------------------------------------------------------------------------
        // -----------------------------------------------------------------------------------------------------------

        private void ReceiveClientHello(ICertificateProvider certProvider, INetState ns, HttpsReader reader)
        {
            HttpsCmsgHello packet = new HttpsCmsgHello(reader);

            if (packet.SessionID != null)
            {
                throw new HttpsException($"provided a sessionID (unsupported)", reader);
            }
            if (!SupportedCiphers.Select(packet.Ciphers, out CipherSuiteInfo cipherSelected))
            {
                throw new HttpsException("does not support any of our cipher suites", reader);
            }
            CipherSuite   = cipherSelected;
            _ClientRandom = packet.ClientRandom;
            _ServerRandom = new byte[32];
            Randoms.NextBytesUnixTimePrefix(_ServerRandom);
            HttpsWriter serverHello     = new HttpsSmsgHello(ns.Https, CipherSuite.CipherSuite, SessionIdentifier, _ServerRandom);
            HttpsWriter serverCerts     = new HttpsSmsgCertificate(ns.Https, certProvider.HttpsGetCerts());
            HttpsWriter serverHelloDone = new HttpsSmsgHelloDone(ns.Https);

            Send(ns, serverHello);
            Send(ns, serverCerts);
            Send(ns, serverHelloDone);
        }