aes-128-gcm算法，对接中宣部防沉迷

• 对接国家防沉迷系统，加密字符串部分

	private static final Integer ZERO = 0;
    private static final Integer MAC = 16;
    private static final Integer DEFAULT_GCM_LV = 12;
    private static final Integer SECRET_LENGTH_128 = 128;
    private static final String AES = "AES";
    private static final String ALGORITHM = "AES/GCM/PKCS5Padding";
    private static final String UTF8= "utf-8";
    
	/**
     * 转换16进制字符串
     **/
    public static byte[] parseHexStr2Byte(String hexStr) {
   
   
        if (hexStr.length() < 1)
            return null;
        byte[] result = new byte[hexStr.length() / 2];
        for (int i = 0; i < hexStr.length() / 2; i++) {
   
   
            int high = Integer.parseInt