During the CAB Forum discussion on this issue, someone brought up that
Qualified Certs in the EU are supposed to have either the anyEKU present or
omit the EKU.  I think the post originated from Chema Gonzalez, but I'll let
him confirm.  I'm not sure the certs need to be recognized in browsers since
we don't issue them.

I'm not sure there is a hard conflict.  However, there is a best practices
conflict as 5280 states that "In general, this extension will appear only in
end entity certs" at 4.2.1.12 whereas Mozilla's ne instruction is " All new
intermediate certificates that include the EKU extension and will be used
for SSL certificate issuance, must include the id-kp-serverAuth
(1.3.6.1.5.5.7.3.1) EKU."  I'll look into whether the other communities only
recommend that the CAs follow the 5280 guidance for intermediates or require
it and get back to you.

Jeremy

-----Original Message-----
From: dev-security-policy
[mailto:dev-security-policy-bounces+jeremy.rowley=digicert.com@lists.mozilla
.org] On Behalf Of Gervase Markham
Sent: Tuesday, May 13, 2014 7:08 AM
To: Jeremy Rowley; 'Kathleen Wilson';
mozilla-dev-security-pol...@lists.mozilla.org
Subject: Re: DRAFT: May CA Communication

On 13/05/14 01:44, Jeremy Rowley wrote:
> Also, the technical constraint of serverAuth won't work properly since 
> anyEKU (or a lack of EKU) is required in some grid, EU, and fed space
certs.
> Unfortunately, their policies conflict with the technical constraints 
> Mozilla hopes to implement.

Hi Jeremy,

Can you expand on this a little?

The Firefox requirement is that serverAuth be included. It doesn't say
anyEKU must be not included.

If the certs you mention require EKU not to be present (what spec says they
can even do that?), then are these certs that need to be recognised in
Firefox, or not?

Gerv

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