An API documentation can be found at

This library contains methods for:

* Time change check (make sure the time has not been changed on the client computer)
* Key Validation (this will use to validate keys against the database)
* Key Activation (this will, depending on the settings, activate a key with a specific machine code)
* Key Activation Trial (allows you to update a key if it is a trial key)
* Get Machine Code (calculates a machine code given any hash function)
* Get Eight Byte Hash (returns an 8 digit long hash number)

* The article of how the activation component can be used is found here:
* For Key Activation Trial:
* For Key Validation:

Suggested Alternatives


Additional Details

We have renamed the package to Cryptolens.Licensing. Please install the new package, Cryptolens.Licensing, to access new updates. SKGLExtension is no longer maintained.

There is a newer version of this package available.
See the version list below for details.
Install-Package SKGLExtension -Version
dotnet add package SKGLExtension --version
<PackageReference Include="SKGLExtension" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add SKGLExtension --version
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes Added two methods, GetParameters and GetKeyInformationFromParameters that will work with the new version of the Web API. A minor change in the way products are displayed and information about pid, uid and hsum is retreived. the ability to get a list of all products and product variables such as "uid", "pid" and "hsum".

API documentation:

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Version History

Version Downloads Last updated
4.0.3 976 4/20/2018 635 6/21/2017 713 6/27/2016 550 6/22/2016 625 3/16/2016 617 1/19/2016 640 12/5/2015 601 11/1/2015 608 9/3/2015 586 8/9/2015 603 7/24/2015 611 5/13/2015 589 5/3/2015 627 1/30/2015 611 1/15/2015 580 1/7/2015 638 12/9/2014 729 11/19/2014 881 11/17/2014 813 11/4/2014 597 10/23/2014 651 9/30/2014 584 9/27/2014 597 8/11/2014 584 8/8/2014
1.0.3 625 7/27/2014
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