    private void verifyRewrite(File dir) throws Exception {
        File xml = new File(dir, "foo.xml");
        Pattern pattern = Pattern.compile("<foo>"+plain_regex_match+"</foo>");
        assertTrue(pattern.matcher(FileUtils.readFileToString(xml).trim()).matches());
    }
The software stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.