protect my DLL from being copied

Hi,
i have a .net program that use a certain DLL that is located in the system32 folder
i need to allow the users to use this machine and run the application, but i need to protect my DLL from being copied,
i can use win xp or win 2003.
and i can create admin account and guests account...
but what are the processes that i need to do in order to prevent people from copying my DLL?
thanks and hope that this is doable with windows
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mte01Asked:
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Rich RumbleSecurity SamuraiCommented:
Since you have to give them read access, it can be copied in a number of ways. They can open it in notepad and paste it into an email, or just copy it an paste it into an email or what have you. You may have a look at this utility for windows 2003 SP1
http://www.microsoft.com/downloads/details.aspx?FamilyId=04A563D9-78D9-4342-A485-B030AC442084&displaylang=en
You may be able to hide if from them, but allow the app to see it still...
-rich
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mte01Author Commented:
>>richrumble

This would do the trick..thanks for your help!
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