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Need Help on a Date Encryption Algorithm
My friend wrote a program that is "Expire-Ware",
i.e. this program expires after 30 days and refuses to run.
The bad thing about this is that this program STORES something into the registry when it expires,
so a reinstallation does not patch the date check.
Its a very good prog(some Shell integration to quickly navigate
through a lot of folders).
So i thought by myself, "What about cracking this prog?", and tracked
the timeout back into the registry, with a value named "InstallDate" and a 5 to 10 digit number. I tried some days by changing
the system date, this value is non-linear, seems to be some professional Algorithm.
does anyone of you have an idea about such a Date encryption Algorithm?
If so, PLEASE help me!
Thank you in Advance
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