webzVUB8

1import javax.crypto.Cipher;
2import javax.crypto.KeyGenerator;
3import javax.crypto.SecretKey;
4
5public class HelloWorld{
6    public static void main(String[] args) {
7
8        try{
9            KeyGenerator keygenerator = KeyGenerator.getInstance("AES");
10            SecretKey myDesKey = keygenerator.generateKey();
11            System.out.println(myDesKey.toString());
12
13            Cipher desCipher;
14            desCipher = Cipher.getInstance("AES");
15
16
17            byte[] text = "Helo World".getBytes("UTF8");
18
19
20            desCipher.init(Cipher.ENCRYPT_MODE, myDesKey);
21            byte[] textEncrypted = desCipher.doFinal(text);
22
23            String s = new String(textEncrypted);
24            System.out.println(s);
25
26            desCipher.init(Cipher.DECRYPT_MODE, myDesKey);
27            byte[] textDecrypted = desCipher.doFinal(textEncrypted);
28
29            s = new String(textDecrypted);
30            System.out.println(s);
31        }catch(Exception e)
32        {
33            System.out.println("Exception");
34        }
35    }
36}