需要帮助创建机器时间独立许可证 [英] Need help creating machine time independent license

问题描述

您好，



我有一个 WCF 服务，我需要在客户端服务器上部署一些试用版根据他的购买期间，我在数据库中进行了日期加密，并且将通过方法ExpireDate< TodaysDate。



但问题是客户可以更改系统日期并使用此服务。是否有任何方法/解决方案可以独立于机器时间实现此许可逻辑。



如果您有任何与机器时间无关的wcf服务许可链接，请参阅指南。



谢谢。



-K15

Hello,

I have a WCF service which i need to deploy on client server for some trial period as per his buy period, and i have done date encryption in database and would be checked by a method ExpireDate < TodaysDate.

But the issue is client can change his system date and use this service. Is there any way/solution by which this logic of Licensing can be implemented independent of Machine time.

If you have any links for licensing of wcf service independent of Machine Time, pls guide.

Thank you.

-K15

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