|
1 |
| |
|
2 |
| |
|
3 |
| |
|
4 |
| |
|
5 |
| |
|
6 |
| |
|
7 |
| |
|
8 |
| |
|
9 |
| |
|
10 |
| |
|
11 |
| |
|
12 |
| |
|
13 |
| |
|
14 |
| |
|
15 |
| |
|
16 |
| |
|
17 |
| |
|
18 |
| |
|
19 |
| |
|
20 |
| package org.apache.xindice.util; |
|
21 |
| |
|
22 |
| import java.security.MessageDigest; |
|
23 |
| import java.security.NoSuchAlgorithmException; |
|
24 |
| |
|
25 |
| |
|
26 |
| |
|
27 |
| |
|
28 |
| |
|
29 |
| public class MD5 { |
|
30 |
| private static String[] hex = {"0", "1", "2", "3", "4", "5", "6", "7", |
|
31 |
| "8", "9", "a", "b", "c", "d", "e", "f"}; |
|
32 |
| |
|
33 |
0
| public static String md(String pswd) {
|
|
34 |
0
| MessageDigest md;
|
|
35 |
0
| String digestString = "";
|
|
36 |
| |
|
37 |
0
| try {
|
|
38 |
0
| md = MessageDigest.getInstance("MD5");
|
|
39 |
0
| md.update(pswd.getBytes("utf-8"));
|
|
40 |
| |
|
41 |
0
| byte[] digest = md.digest();
|
|
42 |
| |
|
43 |
0
| digestString = byteArrayToHexString(digest);
|
|
44 |
| } catch (NoSuchAlgorithmException e) { |
|
45 |
0
| System.out.println("MD5 not supported.");
|
|
46 |
0
| e.printStackTrace(System.err);
|
|
47 |
| } catch (Exception e) { |
|
48 |
0
| e.printStackTrace(System.err);
|
|
49 |
| } |
|
50 |
| |
|
51 |
0
| return digestString;
|
|
52 |
| } |
|
53 |
| |
|
54 |
0
| static String byteToHexString(byte b) {
|
|
55 |
0
| int n = b;
|
|
56 |
| |
|
57 |
0
| if (n < 0) {
|
|
58 |
0
| n = 256 + n;
|
|
59 |
| } |
|
60 |
| |
|
61 |
0
| int d1 = n / 16;
|
|
62 |
0
| int d2 = n % 16;
|
|
63 |
| |
|
64 |
0
| return hex[d1] + hex[d2];
|
|
65 |
| } |
|
66 |
| |
|
67 |
0
| static String byteArrayToHexString(byte[] b) {
|
|
68 |
0
| StringBuffer result = new StringBuffer(b.length * 2);
|
|
69 |
| |
|
70 |
0
| for (int i = 0; i < b.length; ++i) {
|
|
71 |
0
| result.append(byteToHexString(b[i]));
|
|
72 |
| } |
|
73 |
| |
|
74 |
0
| return result.toString();
|
|
75 |
| } |
|
76 |
| } |