试用版安全性问题 [英] Trial Version security problem

问题描述

朋友们！


我现在在c#.net中创建应用程序，我在限定期限内实现了试用版的安全性，因此我在应用程序启动时检查系统日期，但是问题是，当用户更改日期时，应用程序就会启动.

因此，请提供适当的解决方案....!!

hi frnds!!!


i create application in c#.net now, i implement trial version security for limiting period, so i check system date while application is start but, problem is that when user change date then application is start.

so, please help with appropriate solution....!!

推荐答案

您可以通过多种方式解决您的问题，让我解释其中一种.

您可以在注册表或其他某个位置加密密钥信息.首先，您需要存储应用程序的到期日期，其次，您需要存储应用程序的最后访问日期.

每次启动应用程序时，您需要检查上次访问的日期是否小于当前日期，如果是，则提示您的许可证到期?如果一切正常，则只需更新上次访问的日期即可.

那对你有用，
谢谢
-Amit Gajjar

Hi,

You can solve your issue with several ways, Let me explain one of them.

You can encrypt your key information in either Registry or some other location. First you need to store your date of expiration of your application and secondly you need to store last accessed date of your application.

Each time application starts you need to check if last accessed date is less then current date if so then prompt your license expiration ? if everything is fine then just update last accessed date.

That will work for you,
Thanks
-Amit Gajjar

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