/**
     * 数据加密
     * 
     * @param name
     *               算法名称
     * @param password
     *               密钥
     * @param message
     *               明文
     * @return 返回密文
     */
    public static byte[] Encode(String name, String password, byte[] message) {
        if (name == null || name.length() <= 0
                || password == null || password.length() <= 0
                || message == null || message.length <= 0)
            return null;
        
        if (!name.equals(ALGO_AES))
            return null;
        
        byte[] content = null;
        
        KeyGenerator kgen = null;
        
        try {
            kgen = KeyGenerator.getInstance(name);
            byte[] okey = password.getBytes();
            kgen.init(128, new SecureRandom(okey));

            SecretKey secretKey = kgen.generateKey();
            
            Cipher cipher = Cipher.getInstance(name);    // 创建密码器 
            cipher.init(Cipher.ENCRYPT_MODE, secretKey);// 初始化
            content = cipher.doFinal(message);
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (NoSuchPaddingException e) {
            e.printStackTrace();
        } catch (InvalidKeyException e) {
            e.printStackTrace();
        } catch (IllegalBlockSizeException e) {
            e.printStackTrace();
        } catch (BadPaddingException e) {
            e.printStackTrace();
        }

        return content;
    }