void CGetRandomDlg::OnOK() 
{
	sha256_ctx ctx;
	int nStringLen;

	UpdateData(TRUE);

	if((m_dwCurPoint == 0) && (m_strRandom.GetLength() == 0))
	{
		MessageBox(TRL("You must generate some random values using the"
		"random mouse input box or the edit field before you can close this dialog."),
			TRL("No random input"), MB_OK | MB_ICONWARNING);
		return;
	}

	sha256_begin(&ctx);
	sha256_hash(m_pFinalRandom, 32, &ctx);

	sha256_hash((unsigned char *)m_points, sizeof(POINT) * 100, &ctx);

	nStringLen = m_strRandom.GetLength();
	if(nStringLen != 0)
		sha256_hash((BYTE *)(LPCTSTR)m_strRandom, (unsigned long)nStringLen, &ctx);

	sha256_end((unsigned char *)m_pFinalRandom, &ctx);

	CDialog::OnOK();
}

void CGetRandomDlg::OnMouseMove(UINT nFlags, CPoint point) 
{
	if(m_bMouseActive == TRUE)
	{
		if(PtInRect(&m_rect, point))
		{
			if(m_dwCurPoint < 100)
			{
				if((rand() % 5) == 0)
				{
					m_points[m_dwCurPoint] = (POINT)point;
					m_dwCurPoint++;
					m_cMouseProgress.SetPos(m_dwCurPoint);
				}
			}
			else
			{
				m_bMouseActive = FALSE;

				GetDlgItem(IDC_BEGIN_MOUSEINPUT)->EnableWindow(TRUE);
				GetDlgItem(IDC_BEGIN_MOUSEINPUT)->SetFocus();
			}
		}
	}

	CDialog::OnMouseMove(nFlags, point);
}