Copy Protection / Trialware Software that works with .NET

[Peter Olcott]

Does anyone know any really good products?

 

[Guest]

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

 

[Simon Hart]

How did you write your own? Obfuscation and licence algorithm?

Cheers
Simon.

 

[Guest]

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".
--
Co-founder, Eggheadcafe.com developer portal:
http://www.eggheadcafe.com
UnBlog:
http://petesbloggerama.blogspot.com

 

[Simon Hart]

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

 

[Guest]

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

--
Co-founder, Eggheadcafe.com developer portal:
http://www.eggheadcafe.com
UnBlog:
http://petesbloggerama.blogspot.com

 

[Simon Hart]

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

 

[Michael Bray]

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

 

[Guest]

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

--
Co-founder, Eggheadcafe.com developer portal:
http://www.eggheadcafe.com
UnBlog:
http://petesbloggerama.blogspot.com

 

[Simon Hart]

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.

 

[Jon Skeet [C# MVP]]

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

 

[LogicNP]

CryptoLicensing For .Net is quite strong as its based on the RSA cryptographic scheme and it supports many types of licenses - trial, full, activated, domain-locked, machine-locked, floating, etc, etc.