pUYXT9f8

1    private String decrypt(String encrypted) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
2        final byte[] salt = {
3                (byte) 0x1F, (byte) 0x13, (byte) 0xE5, (byte) 0xB2,
4                (byte) 0x49, (byte) 0x2C, (byte) 0xC3, (byte) 0x3C
5        };
6        final int iterationCount = 65536;
7        final int keyLength = 128;
8        final String passphare = ">>Default passphrase to encrypt passwords!<<";
9
10        KeySpec pbeKeySpec = new PBEKeySpec(passphare.toCharArray(), salt, iterationCount, keyLength);
11        SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
12        SecretKey tmpKey = keyFac.generateSecret(pbeKeySpec);
13        SecretKey pbeKey = new SecretKeySpec(tmpKey.getEncoded(), "AES");
14
15        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
16        int blockSize = cipher.getBlockSize();
17        byte[] iv = new byte[blockSize];
18        for (int i = 0; i < iv.length; i++) {
19            iv[i] = (byte) i;
20        }
21        AlgorithmParameterSpec ivSpec = new IvParameterSpec(iv);
22
23        Cipher pbeDcipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
24        pbeDcipher.init(Cipher.DECRYPT_MODE, pbeKey, ivSpec);
25
26        return new String(pbeDcipher.doFinal(Base64.getDecoder().decode(encrypted)));
27    }
28