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.NET Forum / .NET Framework / New Users / January 2006

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Copy Protection / Trialware Software that works with .NET

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Peter Olcott - 06 Jan 2006 01:15 GMT
Does anyone know any really good products?
Peter Bromberg [C# MVP] - 06 Jan 2006 01:28 GMT
I seem to recall some guy by the name Xheo whose stuff seems to be
well-represented. I've always written my own. More fun!
Peter

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> Does anyone know any really good products?
Simon Hart - 06 Jan 2006 10:24 GMT
How did you write your own? Obfuscation and licence algorithm?

Cheers
Simon.

>I seem to recall some guy by the name Xheo whose stuff seems to be
> well-represented. I've always written my own. More fun!
> Peter
>
>> Does anyone know any really good products?
Peter Bromberg [C# MVP] - 06 Jan 2006 12:01 GMT
obfuscation, and a license key string algorithm that encrypts and embeds both
the valid key and /or the optional expiration date of the "30 day trial".
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> How did you write your own? Obfuscation and licence algorithm?
>
[quoted text clipped - 6 lines]
> >
> >> Does anyone know any really good products?
Simon Hart - 06 Jan 2006 12:25 GMT
Thats' how I have protected my code but have you seen this article:
Breaking .NET code:
http://www.atrevido.net/blog/PermaLink.aspx?guid=8315fa01-0286-47ce-a20b-fcc15eb297c3

and
Breaking a strong name:
http://www.atrevido.net/blog/PermaLink.aspx?guid=f772c18a-f389-4c28-bd6a-a30f4ccc84f5

> obfuscation, and a license key string algorithm that encrypts and embeds
> both
[quoted text clipped - 10 lines]
>> >
>> >> Does anyone know any really good products?
Peter Bromberg [C# MVP] - 06 Jan 2006 14:01 GMT
Simon,
I really think this is a moot issue, since the number of people who are not
only capable of but determined to go to these lengths to hack or crack
software  is extremely small.
Peter

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> Thats' how I have protected my code but have you seen this article:
> Breaking .NET code:
[quoted text clipped - 18 lines]
> >> >
> >> >> Does anyone know any really good products?
Simon Hart - 06 Jan 2006 15:38 GMT
Why do you think 33% of software today is pirated.

> Simon,
> I really think this is a moot issue, since the number of people who are
[quoted text clipped - 27 lines]
>> >> >
>> >> >> Does anyone know any really good products?
Michael Bray - 06 Jan 2006 22:04 GMT
"Simon Hart" <srhartone@[no spam]yahoo.com> wrote in news:Ov8aCdtEGHA.1816
@TK2MSFTNGP11.phx.gbl:

> Why do you think 33% of software today is pirated.

Is that all?  Oh you must be referring to the software that is actually in
USE.  I was considering the number of commercial programs that have been
hacked to enable the pirating.

-mdb
Peter Bromberg [C# MVP] - 06 Jan 2006 23:39 GMT
Well, here's the thing, then.
If you really believe this figure is accurate and that your experience will
fall into this range, better start studying and become an expert on the
subject.

We can debate figures until our faces turn blue; you should follow your own
good judgement.
Peter

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> Why do you think 33% of software today is pirated.
>
[quoted text clipped - 29 lines]
> >> >> >
> >> >> >> Does anyone know any really good products?
Simon Hart - 08 Jan 2006 10:44 GMT
I think that figure is more generous than accurate. I am merly trying to get
a diccussion going as to how to prevent these types of cracks from happening
in the first place and lowering that generous figure.

> Well, here's the thing, then.
> If you really believe this figure is accurate and that your experience
[quoted text clipped - 40 lines]
>> >> >> >
>> >> >> >> Does anyone know any really good products?
Jon Skeet [C# MVP] - 08 Jan 2006 15:36 GMT
> I think that figure is more generous than accurate. I am merly trying to get
> a diccussion going as to how to prevent these types of cracks from happening
> in the first place and lowering that generous figure.

I think it's fairly important to look at where that piracy comes from
though. I wonder how much piracy there is of software other than:

1) Games
2) Operating systems
3) "Big name" products like Word

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