System.Net.Security.SecureChannel.NextMessage C# (CSharp) Method

        internal ProtocolToken NextMessage(byte[] incoming, int offset, int count)
        {
            if (NetEventSource.IsEnabled) NetEventSource.Enter(this);

            byte[] nextmsg = null;
            SecurityStatusPal status = GenerateToken(incoming, offset, count, ref nextmsg);

            if (!_serverMode && status.ErrorCode == SecurityStatusPalErrorCode.CredentialsNeeded)
            {
                if (NetEventSource.IsEnabled) NetEventSource.Info(this, "NextMessage() returned SecurityStatusPal.CredentialsNeeded");

                SetRefreshCredentialNeeded();
                status = GenerateToken(incoming, offset, count, ref nextmsg);
            }

            ProtocolToken token = new ProtocolToken(nextmsg, status);
            if (NetEventSource.IsEnabled) NetEventSource.Exit(this, token);
            return token;
        }