eq7uhaKD

1public static byte[] encrypt(char[] pass, byte[] toEncrypt) throws Exception {
2        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding", new BouncyCastleProvider());
3        
4        byte[] bytes = new byte[8];
5        bytes[0] = (byte)0xC7;
6        bytes[1] = (byte)0x73;
7        bytes[2] = (byte)0x21;
8        bytes[3] = (byte)0x8C;
9        bytes[4] = (byte)0x7E;
10        bytes[5] = (byte)0xC8;
11        bytes[6] = (byte)0xEE;
12        bytes[7] = (byte)0x99;
13        
14        // Generating IV.
15        int ivSize = 16;
16        byte[] iv = new byte[ivSize];
17        SecureRandom random = new SecureRandom();
18        random.nextBytes(iv);
19        IvParameterSpec ivParameterSpec = new IvParameterSpec(iv);
20        
21        SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
22        KeySpec spec = new PBEKeySpec(pass, bytes, 65536, 128);
23        SecretKey tmp = factory.generateSecret(spec);
24        SecretKeySpec skey = new SecretKeySpec(tmp.getEncoded(), "AES");
25
26        cipher.init(Cipher.ENCRYPT_MODE, skey, ivParameterSpec);
27        byte[] encrypted = cipher.doFinal(toEncrypt);
28        
29        // Combine IV and encrypted part.
30        byte[] encryptedIVAndText = new byte[ivSize + encrypted.length];
31        System.arraycopy(iv, 0, encryptedIVAndText, 0, ivSize);
32        System.arraycopy(encrypted, 0, encryptedIVAndText, ivSize, encrypted.length);
33
34        return encryptedIVAndText;
35    }