3eXXQFVz

1//SHA-1
2private static String byteArrToString(byte[] b){
3        String res = null;
4        StringBuffer sb = new StringBuffer(b.length * 2);
5        for (int i = 0; i < b.length; i++){
6           int j = b[i] & 0xff;
7           if (j < 16) {
8              sb.append('0');
9           }
10           sb.append(Integer.toHexString(j));
11        }
12        res = sb.toString();
13        return res.toUpperCase();
14     }
15    
16    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
17        String passwordSHA = null;
18        MessageDigest sha = null;
19        try {
20            sha = MessageDigest.getInstance("SHA-1");
21        } catch (NoSuchAlgorithmException ex) {
22            Logger.getLogger(SHA.class.getName()).log(Level.SEVERE, null, ex);
23        }
24        byte[] tmp = jTextArea1.getText().getBytes();
25        sha.update(tmp);
26        String textSHA = byteArrToString(sha.digest());
27        jTextField1.setText(textSHA);
28    }                                        
29
30
31//MD5
32 public static String toHex(byte [] digest) {
33        StringBuffer hexString = new StringBuffer();
34        for(int i = 0; i<digest.length; i++)
35        {
36            hexString.append(Integer.toHexString(0xFF & digest[i]));
37        }
38        return new String(hexString);
39    }
40    
41    
42    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
43
44        MessageDigest messageDigest = null;
45        try {
46            messageDigest = MessageDigest.getInstance("MD5");
47        } catch (NoSuchAlgorithmException ex) {
48            Logger.getLogger(MD5.class.getName()).log(Level.SEVERE, null, ex);
49        }
50        String text;
51        text = jTextArea1.getText();
52        byte[] plaintext = null;
53        try {
54            plaintext = text.getBytes("UTF8");
55        } catch (UnsupportedEncodingException ex) {
56            Logger.getLogger(MD5.class.getName()).log(Level.SEVERE, null, ex);
57        }
58        messageDigest.update(plaintext);
59        byte[] msgDigest = messageDigest.digest();
60        String digest = toHex(msgDigest);
61        jTextField1.setText(digest);
62    }  
63
64//MAC
65
66public static String toHex(byte [] digest) {
67        StringBuffer hexString = new StringBuffer();
68        for(int i = 0; i<digest.length; i++)
69        {
70            hexString.append(Integer.toHexString(0xFF & digest[i]));
71        }
72        return new String(hexString);
73    }
74    
75    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
76        KeyGenerator keyGen = null;
77        try {
78            keyGen = KeyGenerator.getInstance("HmacMD5");
79        } catch (NoSuchAlgorithmException ex) {
80            Logger.getLogger(MAC.class.getName()).log(Level.SEVERE, null, ex);
81        }
82        SecretKey MD5key = keyGen.generateKey();
83    
84        String text;
85        text = jTextArea1.getText();
86        byte[] plaintext = null;
87       
88        try {
89            plaintext = text.getBytes("UTF8");
90        } catch (UnsupportedEncodingException ex) {
91            Logger.getLogger(MD5.class.getName()).log(Level.SEVERE, null, ex);
92        }
93        Mac mac = null;
94        try {
95            mac = Mac.getInstance("HmacMD5");
96        } catch (NoSuchAlgorithmException ex) {
97            Logger.getLogger(MAC.class.getName()).log(Level.SEVERE, null, ex);
98        }
99        try {
100            mac.init(MD5key);
101        } catch (InvalidKeyException ex) {
102            Logger.getLogger(MAC.class.getName()).log(Level.SEVERE, null, ex);
103        }
104        mac.update(plaintext);
105        
106        byte[] byteMacFinal = mac.doFinal();
107        String macFinal = toHex(byteMacFinal);
108        jTextField1.setText(macFinal);
109    }