String THUMBNAIL_HTML_IMAGE_MIN_WIDTH = "thumbnail.html.image.min.width";

    /** The key of the configuration. e.g. 100 */
    String THUMBNAIL_HTML_IMAGE_MIN_HEIGHT = "thumbnail.html.image.min.height";

    /** The key of the configuration. e.g. 3.0 */
    String THUMBNAIL_HTML_IMAGE_MAX_ASPECT_RATIO = "thumbnail.html.image.max.aspect.ratio";

    /** The key of the configuration. e.g. 100 */

                final int width = reader.getWidth(0);
                final int height = reader.getHeight(0);
                if (width <= 0 || height <= 0) {
                    return Result.NO_IMAGE;
                }
                if (!fessConfig.validateThumbnailSize(width, height)) {
                    return Result.INVALID_SIZE;
                }

        data = "<img src=\"http://example/foo.jpg\" width=\"x\" height=\"x\">";
        assertNull(transformer.getThumbnailUrl(responseData, getDocument(data)));

        data = "<img src=\"http://example/foo.jpg\" width=\"10\" height=\"100\">";
        assertNull(transformer.getThumbnailUrl(responseData, getDocument(data)));

        data = "<img src=\"http://example/foo.jpg\" width=\"100\" height=\"10\">";

                final Integer height = getAttributeAsInteger(attributes, "height");
                final Integer width = getAttributeAsInteger(attributes, "width");
                if (!fessConfig.isThumbnailHtmlImageUrl(thumbnailUrl)) {
                    continue;
                }
                if (height != null && width != null) {
                    try {

    java.math.BigDecimal getThumbnailHtmlImageMaxAspectRatioAsDecimal();

    default boolean validateThumbnailSize(final int width, final int height) {
        if (width <= 0 || height <= 0 || width < getThumbnailHtmlImageMinWidthAsInteger().intValue()
                || height < getThumbnailHtmlImageMinHeightAsInteger().intValue()) {
            return false;
        }

        verifyArcfourHMAC(17, expect, data, key);
    }



    @Test
    public void testAES128Checksum () throws GeneralSecurityException {
        String data = "eight nine ten eleven twelve thirteen";
        String key = "9062430C8CDA3388922E6D6A509F5B7A";
        String expect = "01A4B088D45628F6946614E3";
        verifyAESHMAC(3, expect, key, data.getBytes(StandardCharsets.US_ASCII));

    }

    private void assertImageSize(File file, int width, int height) throws IOException {
        BufferedImage img = ImageIO.read(file);
        logger.debug("width: {}, height: {}", img.getWidth(), img.getHeight());
        assertEquals("Image Width", width, img.getWidth());
        assertEquals("Image Height", height, img.getHeight());
    }

        out.println("<p><table border='0' cellspacing='0' cellpadding='0'><tr><td>");

        out.print("<A style=\"width: " + maxLen);
        out.print("; height: 18;\" HREF=\"");
        out.print(path);
        out.println("\"><b>&uarr;</b></a>");
        if ( fmt.equals("detail") ) {
            out.println("<br clear='all'>");
        }

        out.println( "<p><table border='0' cellspacing='0' cellpadding='0'><tr><td>" );

        out.print( "<A style=\"width: " + maxLen );
        out.print( "; height: 18;\" HREF=\"" );
        out.print( path );
        out.println( "\"><b>&uarr;</b></a>" );
        if( fmt.equals( "detail" )) {
            out.println( "<br clear='all'>" );
        }

        }
    }


    /// Encrypt a block of eight bytes.
    private void encrypt( byte[] clearText, int clearOff, byte[] cipherText, int cipherOff ) {

        squashBytesToInts( clearText, clearOff, tempInts, 0, 2 );
        des( tempInts, tempInts, encryptKeys );
        spreadIntsToBytes( tempInts, 0, cipherText, cipherOff, 2 );
    }

    /// Decrypt a block of eight bytes.