private byte[] encrypt(String password) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
    Cipher cipher = Cipher.getInstance("AES");
    SecretKeySpec secretKey = new SecretKeySpec("dfgkirvbn25685la".getBytes(), "AES");
    cipher.init(Cipher.ENCRYPT_MODE, secretKey);
    return cipher.doFinal(password.getBytes());
}

private String decrypt(PersonEntity pe) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
    Cipher cipher = Cipher.getInstance("AES");
    SecretKeySpec secretKey = new SecretKeySpec("dfgkirvbn25685la".getBytes(), "AES");
    cipher.init(Cipher.DECRYPT_MODE, secretKey);
    String s = "";
    byte[] bites = cipher.doFinal(pe.getPassword());
    for (byte b : bites) {
        s += (char) b;
    }
    return s;
}