BwtQ0L41

1IllegalBLockSizeException when decrypting
2public static String aes_encrypt (String text, String key) 
3{
4    SecretKey skey = new SecretKeySpec(key.getBytes(), "AES"); 
5    Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding", "SunJCE");
6    cipher.init(Cipher.ENCRYPT_MODE, skey);
7
8    return new String((cipher.doFinal(text.getBytes())));
9
10}
11	
12public static String aes_decrypt (String text, String key) 
13{
14
15    SecretKey skey = new SecretKeySpec(key.getBytes(), "AES"); 
16    Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding", "SunJCE");
17    cipher.init(Cipher.DECRYPT_MODE, skey);
18
19    return new String((cipher.doFinal(text.getBytes())));
20}
21	
22public static void main (String args[])
23{
24    String text = "Hello, world!";
25    String key = "nv93h50sk1zh508v";
26    String en, de;
27
28    System.out.println("Text: " + text);
29    System.out.println("Encrypted: " + (en = aes_encrypt(text, key)) 
30            + " length = " + en.length());
31    System.out.println("Decrypted: " + (de = aes_decrypt(en, key)));
32}