1
19
20 package com.liferay.portal.util;
21
22 import com.liferay.portal.kernel.log.Log;
23 import com.liferay.portal.kernel.log.LogFactoryUtil;
24 import com.liferay.portal.kernel.util.Base64;
25 import com.liferay.portal.kernel.util.Digester;
26
27 import java.io.UnsupportedEncodingException;
28
29 import java.security.MessageDigest;
30 import java.security.NoSuchAlgorithmException;
31
32 import org.apache.commons.codec.binary.Hex;
33
34
40 public class DigesterImpl implements Digester {
41
42 public String digest(String text) {
43 return digest(Digester.DIGEST_ALGORITHM, text);
44 }
45
46 public String digest(String algorithm, String text) {
47 MessageDigest digester = null;
48
49 try{
50 digester = MessageDigest.getInstance(algorithm);
51
52 digester.update(text.getBytes(Digester.ENCODING));
53 }
54 catch (NoSuchAlgorithmException nsae) {
55 _log.error(nsae, nsae);
56 }
57 catch (UnsupportedEncodingException uee) {
58 _log.error(uee, uee);
59 }
60
61 byte[] bytes = digester.digest();
62
63 if (_BASE_64) {
64 return Base64.encode(bytes);
65 }
66 else {
67 return new String(Hex.encodeHex(bytes));
68 }
69 }
70
71 private static final boolean _BASE_64 =
72 PropsValues.PASSWORDS_DIGEST_ENCODING.equals("base64");
73
74 private static Log _log = LogFactoryUtil.getLog(Digester.class);
75
76 }