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How to Obtain a Public Key Token

As explained in our Chart FX for WPF Deployment page, the deployment license is tied to the application through the public key token of its signature. For that reason you will be required to sign your application for deployment and to provide your public key token when requesting a new deployment license. Below you will find instruction on how to create a new strong name signature or how to extract the public key token from your existing signature file.

Generating a New Signature

To generate a new signature, you need to use the strong name key generator available in the corresponding framework installed on your machine. This program is included with Visual Studio and it can be found in the following location:

Visual Studio 2005
C:\Program Files\Microsoft Visual Studio 8\SDK\v2.0\Bin
Visual Studio 2008
C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin

To generate the token, type the following command while residing at the above path:

sn -k c:\customer.snk

This generates a random strong name key which includes both the private and public keys requiring for signing an assembly and places this key on the root directory of the C: drive for convenient access.

Note: This file should be guarded and should not be made available publicly.

Extracting the Public key Token from an Existing Signature

You can now extract the public key token from your strong name file by using sn.exe again as follows:

First extract the public key:

sn -p c:\customer.snk c:\customer.PublicKey

Then extract the token for that public key by using the following code:

sn -t c:\customer.PublicKey

The following screenshot demonstrates this process. The yellow square marks a sample public key token.

Note: You may already have a signed assembly. You can extract the public key token from this assembly by running the following command:

sn -T assemblyName.dll

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