Is there a way for a code-behind to delete the dll after an expiration, or
if a user doesn't enter the right password. ie, lets say i license
something to someone for 3 months. After that time, I want the dll
(representing the c.behind) to become corrupt, or delete itself so it
cannot be hacked by anyone.... Any ideas
6  1188 
2 DLL's, one to check and call the other. Then sure, you could in theory.
But why not just have it not work instead of deletion?
--
Curt Christianson
Owner/Lead Developer, DF-Software
Site: http://www.Darkfalz.com
Blog: http://blog.Darkfalz.com
"Jason Shohet" <__******@yahoo.com> wrote in message
news:Ol**************@TK2MSFTNGP09.phx.gbl... Is there a way for a code-behind to delete the dll after an expiration, or
if a user doesn't enter the right password. ie, lets say i license
something to someone for 3 months. After that time, I want the dll
(representing the c.behind) to become corrupt, or delete itself so it
cannot be hacked by anyone.... Any ideas
it would prevent hacking the dll... which I assume some people must be able
to do.
"Curt_C [MVP]" <software_AT_darkfalz.com> wrote in message
news:e%******************@TK2MSFTNGP15.phx.gbl... 2 DLL's, one to check and call the other. Then sure, you could in theory.
But why not just have it not work instead of deletion?
--
Curt Christianson
Owner/Lead Developer, DF-Software
Site: http://www.Darkfalz.com
Blog: http://blog.Darkfalz.com
"Jason Shohet" <__******@yahoo.com> wrote in message
news:Ol**************@TK2MSFTNGP09.phx.gbl... Is there a way for a code-behind to delete the dll after an expiration,
or if a user doesn't enter the right password. ie, lets say i license
something to someone for 3 months. After that time, I want the dll
(representing the c.behind) to become corrupt, or delete itself so it
cannot be hacked by anyone.... Any ideas
If they are smart enough to hack it, they are smart enough to make a copy of
it before it "self destructs".
--
Curt Christianson
Owner/Lead Developer, DF-Software
Site: http://www.Darkfalz.com
Blog: http://blog.Darkfalz.com
"Jason Shohet" <__******@yahoo.com> wrote in message
news:OW**************@TK2MSFTNGP15.phx.gbl... it would prevent hacking the dll... which I assume some people must be
able to do.
"Curt_C [MVP]" <software_AT_darkfalz.com> wrote in message
news:e%******************@TK2MSFTNGP15.phx.gbl...2 DLL's, one to check and call the other. Then sure, you could in theory.
But why not just have it not work instead of deletion?
--
Curt Christianson
Owner/Lead Developer, DF-Software
Site: http://www.Darkfalz.com
Blog: http://blog.Darkfalz.com
"Jason Shohet" <__******@yahoo.com> wrote in message
news:Ol**************@TK2MSFTNGP09.phx.gbl... Is there a way for a code-behind to delete the dll after an expiration,
or if a user doesn't enter the right password. ie, lets say i license
something to someone for 3 months. After that time, I want the dll
(representing the c.behind) to become corrupt, or delete itself so it
cannot be hacked by anyone.... Any ideas
Plus, simply deleting it does not make it gone. You can also use one of the
manual file retrieval programs to get it back.
If you don't store any secrets in your application, then there would be
little need to remove it. You can always obfuscate your code before
shipping and strongly name your assemblies.
"Curt_C [MVP]" <software_AT_darkfalz.com> wrote in message
news:#K**************@tk2msftngp13.phx.gbl... If they are smart enough to hack it, they are smart enough to make a copy
of it before it "self destructs".
--
Curt Christianson
Owner/Lead Developer, DF-Software
Site: http://www.Darkfalz.com
Blog: http://blog.Darkfalz.com
"Jason Shohet" <__******@yahoo.com> wrote in message
news:OW**************@TK2MSFTNGP15.phx.gbl... it would prevent hacking the dll... which I assume some people must be
able to do.
"Curt_C [MVP]" <software_AT_darkfalz.com> wrote in message
news:e%******************@TK2MSFTNGP15.phx.gbl...2 DLL's, one to check and call the other. Then sure, you could in
theory. But why not just have it not work instead of deletion?
--
Curt Christianson
Owner/Lead Developer, DF-Software
Site: http://www.Darkfalz.com
Blog: http://blog.Darkfalz.com
"Jason Shohet" <__******@yahoo.com> wrote in message
news:Ol**************@TK2MSFTNGP09.phx.gbl...
Is there a way for a code-behind to delete the dll after an
expiration, or if a user doesn't enter the right password. ie, lets say i
license something to someone for 3 months. After that time, I want the dll
(representing the c.behind) to become corrupt, or delete itself so it
cannot be hacked by anyone.... Any ideas
Thanks to both of you.
can you elaborate on the obfuscation capabilities, or where I can look to
see how to do it. Thats something I haven't looked in to. I'll try to
look up some info on how this is done as well;
When you mention strongly naming assemblies (dll's), are you referring to
the Inherits="...." line in the aspx?
Here is an article on Obfuscation, http://msdn.microsoft.com/msdnmag/is...n/default.aspx.
"Jason Shohet" <__******@yahoo.com> wrote in message
news:uY**************@TK2MSFTNGP14.phx.gbl... Thanks to both of you.
can you elaborate on the obfuscation capabilities, or where I can look to
see how to do it. Thats something I haven't looked in to. I'll try to
look up some info on how this is done as well;
When you mention strongly naming assemblies (dll's), are you referring to
the Inherits="...." line in the aspx?
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