How to create a "Product Key" in C# ?

  • Thread starter Stefano Del Furia
  • Start date

S

Stefano Del Furia

Hi all,
i would like to know if someone knows how to create a product key in C#
for an application.
I would have the capability of generate a key (like windows product key)
based on some values (for examples client's name maxValues, maxClients,
etc) , values that i can retrieve inside my application.
Could someone point me to the right directions ???
Thanks in advance
Stefano
 
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J

john smith

Stefano said:
Hi all,
i would like to know if someone knows how to create a product key in C#
for an application.
I would have the capability of generate a key (like windows product key)
based on some values (for examples client's name maxValues, maxClients,
etc) , values that i can retrieve inside my application.
Could someone point me to the right directions ???
Thanks in advance
Stefano
Licensing questions like that are asked all the time... I remember
answering questions very similar to this like 3 or 4 times at least in
the last month. Try searching google groups (I tried "C# licensing" on
the first try and it did have relevant results)
 
G

grant

If you are willing to consider a commercial solution take a look at
Infralution's Licensing System (www.infralution.com/licensing.html).
It generates keys using a public key encryption system and allows you
to embed custom information in the key. It is also quite inexpensive
($US80).

Regards
Grant Frisken
Infralution
 
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Try Ellipter - http://ellipter.com , it creates short serials based on asymmetric Elliptic Curves encryption and has a feature of embedding product info into created serials.
 
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Another one you can use is CryptoLicensing - it supports various in-built limits and you can also embed your own data (like maxclients, etc) in each generated license.
 
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I have used InstallKey from www.lomacons.com. Very easy to use, and you can attach an unlimted number of additional properties to each key. Well designed and worth it.
 
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I am using SoftActivate Licensing SDK from http://www.softactivate.com/ to generate license keys for my products. It uses elliptic curve cryptography to generate digitally signed keys. It comes with full source code (in C# and C++) and I needed full control over the licensing so I needed the source code. It also supports activation and comes with an activation server.
 

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