001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.util;
016    
017    /**
018     * @author Brian Wing Shun Chan
019     * @author Alexander Chow
020     */
021    public interface Digester {
022    
023            public static final String DEFAULT_ALGORITHM = "SHA";
024    
025            public static final String ENCODING = StringPool.UTF8;
026    
027            public static final String MD5 = "MD5";
028    
029            public static final String SHA = "SHA";
030    
031            public String digest(String text);
032    
033            public String digest(String algorithm, String... text);
034    
035            public String digestBase64(String text);
036    
037            public String digestBase64(String algorithm, String... text);
038    
039            public String digestHex(String text);
040    
041            public String digestHex(String algorithm, String... text);
042    
043            public byte[] digestRaw(String text);
044    
045            public byte[] digestRaw(String algorithm, String... text);
046    
047    }