[wdmaudiodev] Re: Driver signing
- From: Tim Roberts <timr@xxxxxxxxx>
- To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Wed, 27 Apr 2011 10:35:39 -0700
CS wrote:
> I'm wondering what I have to take into account when going through the
> driver signing procedure for 64 bit. Are there any CAs that are
> generally considered "better"? Prices seem all over the place, are there
> hidden features I should look for?
Yes, you have to be very careful! You MUST choose one of the CAs for
which Microsoft has a "cross-certificate". Although there were
originally 6 acceptable CAs, because of business consolidation, there
are now effectively two: Verisign and GlobalSign.
http://msdn.microsoft.com/en-us/windows/hardware/gg487315.aspx
You must get a Class 3 Code-Signing certificate. The vendor's page
should mention KMCS. In addition, if you intend to submit your driver
to WHQL, you must have a Verisign certificate to create the account. No
other CA will do. That certificate doesn't have to be a code-signing
cert, so some people get a cheap Verisign cert for WHQL, and a
GlobalSign cert for code-signing.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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