On Mon, 2004-04-19 at 14:28, Harsh Busa wrote:
use a ciphered counter instead of comparing dates. so u can have product valid for x uses.
alternately cipher the date each time loaded and save it ... check if date less than saved date.
On Mon, 2004-04-19 at 13:48, Vivekanand Bachche wrote:
But what if somebody changes the system date ....
i.e if I am checking the expiry date..then how to handle the situation where the user changes the system date to less than the expiry date.....
What is the relevance of this thread to a free software forum. If your application is a closed source application, why is this discussed here. These tactics of preventing a user from using the software after a period of time is not an ethical practice in the free software paradigm.
Nagarjuna