CD Key编程方法 [英] CD Key programming methodology

问题描述

大家好，

我写了一份商务申请，但
应用程序需要运行随时间变化的cd键.

客户端没有任何互联网连接.而我
不想在代码中声明一系列字符串(cd键).
该应用程序可能正忙于
一些年.

那么，什么是最好的方法呢?

(我的问题不在于cd键的检查).

Hi all,

I wrote an application for a bussiness, but the
application needs to run with a cd-key that changes montly.

The client does not have any internet connection. And I
dont want to have a range of strings(cd-keys) declared in the code.
The application might be running at the bussiness for
a few years.

So, what would be the best approach?

(My problem is not with the checking of the cd-key)

推荐答案

可以将cd键链接到日期，但是用户可以总是将日期设置在每个月底...

所以这是一个主意-将日期/时间记录到文件中(加密).
在启动时，请检查此文件以确保日期在增加，时间也在增加-如果文件中包含的日期/时间倒退了，请锁定软件！

It is possible to get the cd key to be linked to the date - however the user could always set the date back at the end of each month...

So here''s an idea - log the date/time to a file(encrypted).
On startup check this file to ensure that the date has been incrementing and that the time has been incrementing as well - if the file contains dates/times going back in time lock the software!

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