docs: public static boolean isPrivateKeyPasswordProtected(final File file) throws IOException
  	{
  		boolean result = false;
  		if (isPemFormat(file))
  		{
  			try
  			{
  				readPemPrivateKey(file);
  			}
  			catch (Exception e)
  			{
  				result = true;
  			}
  		}
  		else
  		{
  			try
  			{
  				readPrivateKey(file);
  			}
  			catch (Exception e)
  			{
  				result = true;
  			}
  		}
  
  
  		return result;
  	}