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Sign Code with Microsoft Authenticode

Guide for How to Sign Code with Microsoft Authenticode

A Code Signing Certificate can be used to digitally sign code or content developed by Windows Programs. After you received the trusted certificate and saved the PFX (.p12) file, follow the instructions below to guide you through the signing process on a Windows Vista machine running version Windows SDK 6.0 or lower. If you’re running version Windows SDK 7.0 or higher, reference our Microsoft SignTool Installation Instructions.

1. Run the SDK command prompt

To open the Microsoft Digital Signing Wizard, run the SDK command prompt. This requires you to already have .NET Framework SDK installed.

2. Type signtool.exe signwizard

In the command prompt, type signtool.exe signwizard and click Enter

3. Click Next

Click Next in the Digital Signature Wizard window

Microsoft Authenticode Step3

4. Browse to your file

Browse to your file and click Next

5. Click Typical

For Signing Options, click Typical

Microsoft Authenticode Step5

6. Use Select from Store…

Use the Select from Store… button to browse to your certificate. Select your trusted Code Signing Certificate and click Next

Microsoft Authenticode Step6

7. Enter a description

Enter a description or web location

8. Select “Next” twice

Select Next twice, through Timestamping and then Finish

Congratulations! Your project has successfully been signed.

If you did not use the timestamping feature, we highly recommend you read our article on the importance of timestamping any code to ensure your signature remains valid after certificate expiration.

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