System.Net.Security.NegotiateStreamPal.GssWrap C# (CSharp) Method

        static byte[] GssWrap(
            SafeGssContextHandle context,
            bool encrypt,
            byte[] buffer,
            int offset,
            int count)
        {
            Debug.Assert((buffer != null) && (buffer.Length > 0), "Invalid input buffer passed to Encrypt");
            Debug.Assert((offset >= 0) && (offset < buffer.Length), "Invalid input offset passed to Encrypt");
            Debug.Assert((count >= 0) && (count <= (buffer.Length - offset)), "Invalid input count passed to Encrypt");

            Interop.NetSecurityNative.GssBuffer encryptedBuffer = default(Interop.NetSecurityNative.GssBuffer);
            try
            {
                Interop.NetSecurityNative.Status minorStatus;
                Interop.NetSecurityNative.Status status = Interop.NetSecurityNative.WrapBuffer(out minorStatus, context, encrypt, buffer, offset, count, ref encryptedBuffer);
                if (status != Interop.NetSecurityNative.Status.GSS_S_COMPLETE)
                {
                    throw new Interop.NetSecurityNative.GssApiException(status, minorStatus);
                }

                return encryptedBuffer.ToByteArray();
            }
            finally
            {
                encryptedBuffer.Dispose();
            }
        }