How to test sign a driver in Windows 7 or 8 with your own certificate

Written by: Oliver Krautscheid - Published: Friday, December 23rd, 2011 - Comments

Do you want to test a new driver? Here’s how you can sign your own drivers in Windows 7 or 8. Step

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How to test sign a driver in Windows 7 8

When Windows 7 complains that Windows requires a digitally signed driver, you can try this.

1. Step Read this tutorial to enable test mode and disable digital driver signing for a little background

2. Step Basically, you need to enter this command into an elevated command prompt to enable the test mode:

bcdedit.exe -set TESTSIGNING ON

Create Certificate And Sign Driver With It

3. Step Copy your driver to a directory like C:\test

4. Step Open the Windows SDK Shell from your Start Menu (MicrosoftSDKs)

5. Step Create a self signed certificate for your PC by entering makecert -r -ss PrivateCertStore -n “CN=EnterName” (replace EnterName with a name)

6. Step Enter signtool sign -s PrivateCertStore -n “entername” C:\test\mydriver.sys (replace entername with the name from step 4)

test signing a driver Windows 8
ENLARGE IMAGE

IMPORTANT: If you don’t replace entername with the actual name of your own certificate (step 5) then you will get the error:

SignTool Error: No certificates were found that met all the given criteria

If you want to test sign drivers in Windows 8, you need to install the Windows 8 Developer tools (If I remember correctly it was optional to install them, so you might have to reinstall them before you can test sign a driver in Windows 8)


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Written by: Oliver Krautscheid
Oliver is the founder and lead editor of this site. He is interested in finding new ways to break Windows, find common errors and help others to fix them. Aside from that, he loves to fully customize systems with Rainmeter and Dreamscene, find out more about ancient civilizations like the Chachapoya, sharpen his digital photography skills and create software with a small group of selected developers. If you would like to connect with him to discuss anything, send him a mail!

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