Windows System Software -- Consulting, Training, Development -- Unique Expertise, Guaranteed Results


More Info on Driver Writing and Debugging

The free OSR Learning Library has more than 50 articles on a wide variety of topics about writing and debugging device drivers and Minifilters. From introductory level to advanced. All the articles have been recently reviewed and updated, and are written using the clear and definitive style you've come to expect from OSR over the years.

Check out The OSR Learning Library at:

Before Posting...

Please check out the Community Guidelines in the Announcements and Administration Category.

Can't sign my driver with new EV code signing sha384 certificate

DenisDenis Member Posts: 3
edited July 7 in NTDEV

Hello, i've renew our EV code signing certificate, and now it has sha384 algorithm, i've signed driver files using signtool with switch /fs sha256, after it i've passed all HLK tests, and sign *.hlkx result with this EV certificate, but microsoft partner dashboard can't accpet it due error: "Microsoft allows SHA2 only signature algorithm. Please re-sign with a valid certificate and submit again"

What should i do, to sign my driver ?

Help me, please.


Sign In or Register to comment.

Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!

Upcoming OSR Seminars
OSR has suspended in-person seminars due to the Covid-19 outbreak. But, don't miss your training! Attend via the internet instead!
Developing Minifilters 24 May 2021 Live, Online
Writing WDF Drivers 14 June 2021 Live, Online
Internals & Software Drivers 27 September 2021 Live, Online
Kernel Debugging 15 November 2021 Live, Online