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Using the DigiCert Certificate Utility to Sign Your Code

After installing your DigiCert Code Signing Certificate on your Windows server or workstation, you can then use the DigiCert® Certificate Utility for Windows to sign your code.
See How to Sign Your Code with the DigiCert Utility.

You can also use the DigiCert Certificate Utility to check your code signing file's signature.
See How to Check Your File's Signature

 

How to Sign Your Code with the DigiCert Utility

  1. If you are using an EV Code Signing Certificate, plug in your token/device now.

  2. On your Windows server or workstation, download and save the DigiCert® Certificate Utility for Windows executable (DigiCertUtil.exe).

  3. Run the DigiCert® Certificate Utility for Windows.

    Double-click DigiCertUtil.

  4. In the DigiCert Certificate Utility for Windows©, click Code Signing (blue and silver shield), select the Code Signing Certificate that you want to use to sign your code, and then, click Sign Files.

    If you do not see your EV Code Signing Certificate, plug in your token now.

  5. In the Code Signing window, click Add Files, then browse for and select the file that you want to sign.

  6. Next, check Add a timestamp to the signature if you want to time stamp your signature.

    • To add a timestamp, you must be connected to the Internet.

    • Adding a timestamp allows your signature to remain valid after the Code Signing Certificate has expired, as long has the code remains unchanged.

  7. (Optional) Check Kernel Mode Signing if you are signing a kernel mode driver.

    Depending on the format that you selected for your certificate, you may not see this option.

    Kernel-Mode

  8. Finally, click Sign.

  9. When you receive the “All the files have been successfully signed” message, click OK.

  10. Congratulations, you should now have a freshly signed piece of code, ready to use!
 

How to Check Your File's Signature

  1. In the DigiCert Certificate Utility for Windows©, click Code Signing (blue and silver shield).

  2. Next, click Check Signature to select and open the file whose signature you want to check.

  3. In the Code Signed Signature Check window, you should see a green checkmark for “The file is signed and the signature was verified”.

    If you checked Add a timestamp to the signature, you should also see a green checkmark for “The signature was time stamped by DigiCert Inc on 'Date and Time'”.

    If you checked Kernel Mode Signing, the page will contain Kernel Mode Cross Certificate information.

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