オブジェクトシーケンス逆シーケンス化AES暗号化後Base 64処理

	/**
	 * AES 
	 * @param content   *
	 * @param key   *
	 * @return
	 */
	public static byte[] encrypt(byte[] content, String key) {
		try {
			KeyGenerator kgen = KeyGenerator.getInstance("AES");
			kgen.init(128, new SecureRandom(key.getBytes()));
			SecretKey secretKey = kgen.generateKey();
			byte[] enCodeFormat = secretKey.getEncoded();
			SecretKeySpec keySpec = new SecretKeySpec(enCodeFormat, "AES");
			Cipher cipher = Cipher.getInstance("AES");//  
			byte[] byteContent = content;
			cipher.init(Cipher.ENCRYPT_MODE, keySpec);//  
			byte[] result = cipher.doFinal(byteContent);
			return result; //  
		} 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 null;
	}
	/**
	 * AES  
	 * @param content   
	 * @param key 
	 * @return
	 */
	public static byte[] decrypt(byte[] content, String key) {
		try {
			KeyGenerator kgen = KeyGenerator.getInstance("AES");
			kgen.init(128, new SecureRandom(key.getBytes()));
			SecretKey secretKey = kgen.generateKey();
			byte[] enCodeFormat = secretKey.getEncoded();
			SecretKeySpec keySpec = new SecretKeySpec(enCodeFormat, "AES");
			Cipher cipher = Cipher.getInstance("AES");//  
			cipher.init(Cipher.DECRYPT_MODE, keySpec);//  
			byte[] result = cipher.doFinal(content);
			return result; //  
		} 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 null;
	} 
	/**
	 *   
	 */
	public static String object2String(Object o) throws Exception {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		ObjectOutputStream oos = new ObjectOutputStream(baos);
		oos.writeObject(o);
		byte[] byteArray = baos.toByteArray();  
		byteArray = encrypt(byteArray,key); 
		String str = Base64.encode(byteArray);
 		return str;
	}
	/**
	 *   
	 */ 
	public static Object string2Object(String info) throws Exception {
		byte[] byteArray = Base64.decode(info); 
		byteArray = decrypt(byteArray,key); 
		ByteArrayInputStream bais = new ByteArrayInputStream(byteArray);
		ObjectInputStream ois = new ObjectInputStream(bais);
		return ois.readObject();
	}