15.12.2020

Generate Public Key For Assembly

titlems.datehelpviewer_keywordsms.assetiddev_langs
08/20/2019
signing assemblies
cryptographic key pairs
public-private key pairs
strong-named assemblies, key pairs
vb

To sign an assembly with a strong name, you must have a public/private key pair. This public and private cryptographic key pair is used during compilation to create a strong-named assembly. You can create a key pair using the Strong Name tool (Sn.exe). Key pair files usually have an .snk extension.

[!NOTE]In Visual Studio, the C# and Visual Basic project property pages include a Signing tab that enables you to select existing key files or to generate new key files without using Sn.exe. In Visual C++, you can specify the location of an existing key file in the Advanced property page in the Linker section of the Configuration Properties section of the Property Pages window. The use of the xref:System.Reflection.AssemblyKeyFileAttribute attribute to identify key file pairs was made obsolete beginning with Visual Studio 2005.

Key

Create a key pair

To create a key pair, at a command prompt, type the following command:

sn –k <file name>

If you intend to delay sign an assembly and you control the whole key pair (which is unlikely outside test scenarios), you can use the following commands to generate a key pair and then extract the public key from it into a separate file. You will find a “Generate” button in that dialog. Clicking on it will lead to generating the keys for you. Now you will need to add a unique key passphrase in the Key passphrase and Confirm passphrase field. Click on the “Save Public Key” and “Save Private Key” buttons to save your public and private keys. Jun 15, 2014  In another post, we discussed why you should strongly name assemblies and how to do it via the Strong Name Tool (sn.exe). In this quick post we will consider another scenario - how to get the public key token string value of a strongly named assembly (dll). This is easily accomplished by using the Strong Name Tool as well. I write open source.NET class libraries as a hobby and thought about signing them. I can get Visual Studio to generate me a password protected public/private key pair and save it as a.pfx file, but I don't think I should do this for each and every project. One key pair should be enough, right? Generating a Public Key To sign an assembly with a strong name, you must have a public key pair. This public cryptographic key pair is used during compilation, to create a strong-named assembly. You can create a key pair using the Strong Name tool (Sn.exe) from visual studio command prompt, as the following: sn -k E.g.: sn -k Key.snk.

In this command, file name is the name of the output file containing the key pair.

The following example creates a key pair called sgKey.snk.

If you intend to delay sign an assembly and you control the whole key pair (which is unlikely outside test scenarios), you can use the following commands to generate a key pair and then extract the public key from it into a separate file. First, create the key pair:

Next, extract the public key from the key pair and copy it to a separate file:

Generate Public Key For Assembly Video

Once you create the key pair, you must put the file where the strong name signing tools can find it.

Public Key Example

When signing an assembly with a strong name, the Assembly Linker (Al.exe) looks for the key file relative to the current directory and to the output directory. When using command-line compilers, you can simply copy the key to the current directory containing your code modules.

If you are using an earlier version of Visual Studio that does not have a Signing tab in the project properties, the recommended key file location is the project directory with the file attribute specified as follows:

See also

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Applies to: SharePoint Foundation 2010

Generate Public Key For Assembly

SharePoint Foundation development projects often involve a mixture of imperative coding and XML markup. Frequently, you add your new assembly's Public Key Token to a project file, such as an XML configuration file. If your Visual Studio project is based on any of the SharePoint 2010 project templates in Visual Studio, you can simply insert the placeholder $SharePoint.Project.AssemblyPublicKeyToken$ where the Public Key Token should be in most kinds of project files (but not .cs or .vb files or other compilable files). When you build and deploy the project, Visual Studio will replace the placeholder with the Public Key Token in the copies of the files that are actually deployed. (For more information about the use of SharePoint-oriented Visual Studio placeholders, see Replaceable Parameters.)

/norton-antivirus-serial-key-generator-free-download.html. If you need to insert the Public Key Token in a file that does not support the placeholders, you will need a way to obtain the Public Key Token. This topic explains how to add an item to the Visual StudioTools menu that can be used to obtain the Public Key Token of an assembly under development.

Public Key Definition

To add a Get Assembly Public Key item to the Tools menu

Generate Public Key For Assembly 2017

  1. In Visual Studio, click External Tools on the Tools menu. Https www.google.combefore you generate the rsa key you must.

  2. In the External Tools dialog box, click Add and enter Get Assembly Public Key in the Title box.

  3. Fill the Command box by browsing to sn.exe. It is typically installed at the following location: C:Program Files (x86)Microsoft SDKsWindowsv7.0aBinx64sn.exe.

  4. In the Arguments box, type the following (case sensitive): -Tp $(TargetPath).

  5. Select the Use Output window check box.

  6. Click OK. The new command is added to the Tools menu.

Whenever you need the Public Key Token of the assembly you are developing, click the Get Assembly Public Key command on the Tools menu, and the public key token appears in the Output window.

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Note

Generate Public Key For Assembly 2017

Because the Public Key Token does not exist until the assembly is compiled the first time, you will need to compile the project before using the tool.

See Also

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