如何检测系统日期回滚? [英] How to detect a system date roll back?
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问题描述
您如何检测用户何时回滚了系统日期?使用情况是为了防止绕开许可，该程序将需要检测在不运行时发生的回滚.
How could you detect when the user has rolled back the system date? The usage situation is to prevent circumventing licensing and the program will need to detect a roll back made that happened when it was not running.
推荐答案
好吧，您可以在程序中使用嵌入式数据库，且加密的系统日期会不时插入.如果您看到较新的"日期早于某个先前的日期，则可以看到有人更改了系统日期.这只是一个主意.
Well, you can use an embedded database in your program with an encrypted system date that gets inserted in every once in a while. If you see that a "newer" date is before some previous date, you can see that somebody changed the system date. It's just an idea.
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