digestAlgorithm);
            oneWay = new OneWayCryptographer("MD5", OneWayCryptographer.ENCODING_UTF8);
        } else {
            oneWay = OneWayCryptographer.createSha256Cryptographer();
        }

        return new FessSecurityResourceProvider(inver, oneWay);
    }

    protected FessTimeResourceProvider createTimeResourceProvider() {

     *
     * @param days the number of days to look back from the current time
     */
    public void deleteBefore(final int days) {
        final long oneday = 24 * 60 * 60 * 1000L;
        final long targetTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong() - days * oneday;
        jobLogBhv.queryDelete(cb -> {
            cb.query().setEndTime_LessThan(targetTime);
        });
    }

    /**