Smart card with builtin version protector function

The invention is a system to complete identifying user of software, including an input/output interface set in a host computer like a printer linkage port, and an intelligent interface coupled to the input/output interface as well as an intelligent card including: a memory module to store an computer identification signal of the software and a microcontroller to read a user identification signal by the intelligent interface, check if the user identification signal is identical with the computer identification signal, and when they are identical, send a confirm signal to start up the software. 一种完成一软件的使用者认证的系统，它包括设置于一主机电脑上的一输入/输出界面，例如一打印机连接端口，一智能卡界面，耦接至该输入/输出界面，以及一智能卡，它包括：一存储器模块，用以储存该软件的一电脑认证信号，一微控制器，用以经由该智能卡界面读取软件所发出的一使用者认证信号，以及检查该使用者认证信号是否与该电脑认证信号相符，而当该使用者认证信号与该电脑认证数据信号相符时，发出一确认信号以起动该软件。