System.Data.SqlClient.TdsParser.ProcessSSPI C# (CSharp) Метод

        private void ProcessSSPI(int receivedLength)
        {
            SniContext outerContext = _physicalStateObj.SniContext;
            _physicalStateObj.SniContext = SniContext.Snix_ProcessSspi;
            // allocate received buffer based on length from SSPI message
            byte[] receivedBuff = new byte[receivedLength];

            // read SSPI data received from server
            Debug.Assert(_physicalStateObj._syncOverAsync, "Should not attempt pends in a synchronous call");
            bool result = _physicalStateObj.TryReadByteArray(receivedBuff, 0, receivedLength);
            if (!result) { throw SQL.SynchronousCallMayNotPend(); }

            // allocate send buffer and initialize length
            byte[] sendBuff = new byte[s_maxSSPILength];
            UInt32 sendLength = s_maxSSPILength;

            // make call for SSPI data
            SSPIData(receivedBuff, (UInt32)receivedLength, sendBuff, ref sendLength);

            // DO NOT SEND LENGTH - TDS DOC INCORRECT!  JUST SEND SSPI DATA!
            _physicalStateObj.WriteByteArray(sendBuff, (int)sendLength, 0);

            // set message type so server knows its a SSPI response
            _physicalStateObj._outputMessageType = TdsEnums.MT_SSPI;

            // send to server
            _physicalStateObj.WritePacket(TdsEnums.HARDFLUSH);
            _physicalStateObj.SniContext = outerContext;
        }