Hi Wendy,

Do you know if the automatic issuance of such certificates can be disabled, and 
a private PKI be used for infrastructure purposes instead? Based on the 
discussions during the development of the profiles ballot, it was clear that 
private PKI should be used for CA infrastructure. However, prohibiting such use 
on a short timeframe would likely cause migration issues, so such issuance may 
need to continue to be permitted for at least some time.

 

I’m wondering whether it’s feasible to create a “infrastructure certificate" 
profile in the BRs that can allow for the continued issuance of these types of 
certificates while also establishing some guard rails. Do you happen to know 
whether these certificates share a profile that is roughly like one another? I 
personally haven’t used CA software that exhibits this “automatic issuance” 
behavior, so I’ll lean on others who do have experience.

 

Thanks,

Corey

 

From: Wendy Brown - QT3LB-C <[email protected]> 
Sent: Friday, July 21, 2023 8:24 AM
To: Corey Bonnell <[email protected]>
Cc: CA/B Forum Server Certificate WG Public Discussion List 
<[email protected]>
Subject: Re: [Servercert-wg] Draft ballot SC-XX: Profiles cleanup ballot

 

Corey - 

not according to some CA products - these additional certificates are created 
automatically at the time a new CA is established - so if they are not excluded 
those products are no longer eligible for use as Root CAs.  It was my 
understanding that the original language that you are proposing to eliminate 
was put there so these products could continue to be used.




Wendy

 

Wendy Brown

Supporting GSA

FPKIMA Technical Liaison

Protiviti Government Services

703-965-2990 (cell)

 

 

On Fri, Jul 21, 2023 at 8:19 AM Corey Bonnell <[email protected] 
<mailto:[email protected]> > wrote:

Hi Wendy,

The intent behind the certificate profiles ballot was that the profile of all 
allowed certificate types issued from a BR-compliant CA were completely 
specified within the BRs. Adding a carve-out to allow the issuance of 
certificates whose profile is not specified and not intended for use outside 
the CA’s infrastructure would seem to go against that goal.

 

Is the use of a private PKI not feasible for these internal infrastructure 
certificates?

 

Thanks,

Corey

 

From: Wendy Brown - QT3LB-C <[email protected] <mailto:[email protected]> > 
Sent: Wednesday, July 19, 2023 3:54 PM
To: Corey Bonnell <[email protected] 
<mailto:[email protected]> >; CA/B Forum Server Certificate WG Public 
Discussion List <[email protected] <mailto:[email protected]> 
>
Subject: Re: [Servercert-wg] Draft ballot SC-XX: Profiles cleanup ballot

 

I would not like to see #3 exclusion for Root CAs removed

 

Some CA products when a new CA is established, automatically create some 
internal certificates that are necessary for the operation of the CA including 
possibly a key pair used to sign audit logs with a certificate signed by the 
Root CA that can be used to verify the integrity of the logs by verifying the 
signature. In addition to enabling cert-based authentication for trusted roles 
needing to access the CA, including for actions like manually instigating the 
issuance of a subordinate CA certificate or manually issuing a new CRL when 
there has not been a revocation.

 

This change would make it so those products could not be compliant with the 
BRs, even though such certificates would never be seen outside the supporting 
infrastructure.

 

If the rationale is there are no profiles for internal certificates, then I 
suggest a better fix would be to add the word public in the conflicting 
language in 7.1.2, as the internal certificates that have no BR profile should 
never be seen outside the CA's infrastructure. But removing the allowance would 
potentially trigger a non-compliance during an audit.:

“If the CA asserts compliance with these Baseline Requirements, all public 
certificates that it issues MUST comply with one of the following certificate 
profiles, which incorporate, and are derived from RFC

5280.”

 

Thanks,

Wendy

 

Wendy Brown

Supporting GSA

FPKIMA Technical Liaison

Protiviti Government Services

703-965-2990 (cell)

 

 

On Wed, Jul 19, 2023 at 10:16 AM Corey Bonnell via Servercert-wg 
<[email protected] <mailto:[email protected]> > wrote:

Hello,

While adding support for SC-62 linting for TLS certificates in pkilint, a few 
issues were identified with the current language in section 6 and 7 of the BRs. 
To address these issues, I created a draft ballot on Github. The draft ballot 
text can be viewed here: 
https://github.com/cabforum/servercert/compare/SC63..CBonnell:servercert:sc62-cleanup.

 

Chris Clements of the Chrome team reviewed and offered to endorse, so we’re 
looking for one more endorser to push this ballot forward.

 

Please let me know if you have any feedback on the proposed language or if 
you’d be willing to endorse.

 

Thanks,

Corey

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