blob: f3ac9429be535e6a6a064ab3bf24374754a47175 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*******************************************************************************
* Copyright (c) 2004, 2005, 2006 Eike Stepper, Sympedia Methods and Tools.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*******************************************************************************/
package org.eclipse.net4j.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class DigestHelper
{
/**
* Encrypt byte array.
*/
public static byte[] encrypt(byte[] source, String algorithm) throws NoSuchAlgorithmException
{
MessageDigest md = MessageDigest.getInstance(algorithm);
md.reset();
md.update(source);
return md.digest();
}
/**
* Encrypt string
*/
public static String encrypt(String source, String algorithm) throws NoSuchAlgorithmException
{
byte[] resByteArray = encrypt(source.getBytes(), algorithm);
return StringHelper.toHexString(resByteArray);
}
/**
* Encrypt string using MD5 algorithm
*/
public static String encryptMD5(String source)
{
if (source == null)
{
source = "";
}
String result = "";
try
{
result = encrypt(source, "MD5");
}
catch (NoSuchAlgorithmException ex)
{
ex.printStackTrace();
}
return result;
}
/**
* Encrypt string using SHA algorithm
*/
public static String encryptSHA(String source)
{
if (source == null)
{
source = "";
}
String result = "";
try
{
result = encrypt(source, "SHA");
}
catch (NoSuchAlgorithmException ex)
{
ex.printStackTrace();
}
return result;
}
}
|