[cabf_validation] Domain Validation Update

Tue Mar 15 16:30:25 MST 2016

OK.  We can still give a short update on Thursday’s call.

From: Jeremy Rowley [mailto:jeremy.rowley at digicert.com]
Sent: Tuesday, March 15, 2016 4:23 PM
To: Kirk Hall (RD-US)
Cc: Doug Beattie; Peter Bowen; validation at cabforum.org
Subject: RE: [cabf_validation] Domain Validation Update

I think it’s a bit confusing now. One more WG should be enough to get it cleaned up and ready to send.

From: kirk_hall at trendmicro.com<mailto:kirk_hall at trendmicro.com> [mailto:kirk_hall at trendmicro.com]
Sent: Tuesday, March 15, 2016 4:20 PM
To: Jeremy Rowley
Cc: Doug Beattie; Peter Bowen; validation at cabforum.org<mailto:validation at cabforum.org>
Subject: RE: [cabf_validation] Domain Validation Update

That’s a tough one.  The more often we display our work to the full group, the quicker final approval is likely to be.

Is it worth creating a draft of what was agreed to, or would that be too confusing?

From: Jeremy Rowley [mailto:jeremy.rowley at digicert.com]
Sent: Tuesday, March 15, 2016 3:11 PM
To: Kirk Hall (RD-US)
Cc: Doug Beattie; Peter Bowen; validation at cabforum.org<mailto:validation at cabforum.org>
Subject: Re: [cabf_validation] Domain Validation Update

We didn't make it through all the changes on the last working group call. We might want to wait until after the next working group call before publicizing

Sent from my Verizon Wireless 4G LTE DROID

kirk_hall at trendmicro.com<mailto:kirk_hall at trendmicro.com> wrote:
We have a slot on Thursday’s regular Forum call to discuss the current status of this ballot.  Can someone (Peter?) create the latest update of the domain validation methods, and post to the Public list by tomorrow morning, telling people we will ask for comments and input on the Thursday call.

We don’t have to include labels, etc. (Doug’s suggestions below) if we aren’t ready, but let’s allow the group to see all the rest of the agreed wording to date.

OK?  Who will post?

JC, do you have a draft of “Method 10” you want to circulate to the Forum yet, or do you want to wait for further review by this Working Group?

From: validation-bounces at cabforum.org<mailto:validation-bounces at cabforum.org> [mailto:validation-bounces at cabforum.org] On Behalf Of Doug Beattie
Sent: Friday, March 11, 2016 12:40 PM
To: Peter Bowen
Cc: validation at cabforum.org<mailto:validation at cabforum.org>
Subject: Re: [cabf_validation] Domain Validation Update

Sure, try this:

1.      Verify the Applicant is <the new term for Registrant, technical or admin contact>

2.      Send Random value via email, fax, SMS or postal mail to  <that same new term>

3.      Call the <same new term>

4.      Send Random Number to one of the 5 approved constructed email address

5.      Use a Domain Authorization Document

6.      Make agreed upon change to web site

7.      Make agreed upon change to DNS TXT or CAA record

8.      Verify IP address control

9.      Use a Test Certificate

10.   Use a Random Number in a Certificate

Doug

From: Peter Bowen [mailto:pzb at amzn.com]
Sent: Friday, March 11, 2016 2:48 PM
To: Doug Beattie <doug.beattie at globalsign.com<mailto:doug.beattie at globalsign.com>>
Cc: Jeremy Rowley <jeremy.rowley at digicert.com<mailto:jeremy.rowley at digicert.com>>; validation at cabforum.org<mailto:validation at cabforum.org>
Subject: Re: [cabf_validation] Domain Validation Update

I think putting heading on the methods is not a bad idea.  Anyone want to take a shot proposing a title for each?

On Mar 11, 2016, at 6:19 AM, Doug Beattie <doug.beattie at globalsign.com<mailto:doug.beattie at globalsign.com>> wrote:

Sure, that works.  Looks like our ballot need to include a change to EVGL, so we should add that to the end of the current document/proposed ballot.

I mentioned this before, but with the long list of complicated domain validation options, I think each one should be in a numbered subsection under 3.2.2.4, what do others think?

Also, we might want to number the paragraphs in some of the longer options, like methods 2 and 4, so everyone can more easily reference the specific items.

From: Peter Bowen [mailto:pzb at amzn.com]
Sent: Friday, March 11, 2016 9:14 AM
To: Doug Beattie <doug.beattie at globalsign.com<mailto:doug.beattie at globalsign.com>>
Cc: Jeremy Rowley <jeremy.rowley at digicert.com<mailto:jeremy.rowley at digicert.com>>; validation at cabforum.org<mailto:validation at cabforum.org>
Subject: Re: [cabf_validation] Domain Validation Update

EV currently says: "using a procedure specified in Section 3.2.2.4 of the Baseline Requirements, except that a CA MAY NOT verify a domain using the procedure described subsection 3.2.2.4(7)”.

With the removal of (7) and insertion of other methods, the EV guidelines are going to need updating anyway.  EV can be updated to say “using at least one of the methods specified in BR 3.2.2.4” and then make it own reuse statement.  For example:

11.7.1 Verification Requirements

(1) The CA SHALL confirm that, as of the date the Certificate issues, either the CA or a Delegated Third Party has confirmed, for each Fully-Qualified Domain Name (FQDN) in the Certificate, the authority of the Applicant to receive a Certificate containing the FQDN using at least one of the methods specified in the Baseline Requirements section 3.2.2.4 or via the method described in Appendix F.  The method in Appendix F shall only be used when the right most label in the FQDN is “onion”.
Completed confirmations of Applicant authority may be valid for the issuance of multiple certificates over time.  In all cases, the confirmation must have been initiated no more than 13 months prior to certificate issuance.
For purposes of domain validation, the term Applicant includes the Applicant’s Parent Company, Subsidiary Company, or Affiliate.

On Mar 11, 2016, at 6:06 AM, Doug Beattie <doug.beattie at globalsign.com<mailto:doug.beattie at globalsign.com>> wrote:

EV references this same section and they are limited to reusing the data to 13 months and up to 27 months for reissue, so this gets a bit complicated if we need to call out durations in this section.

From: validation-bounces at cabforum.org<mailto:validation-bounces at cabforum.org> [mailto:validation-bounces at cabforum.org] On Behalf Of Peter Bowen
Sent: Friday, March 11, 2016 9:03 AM
To: Jeremy Rowley <jeremy.rowley at digicert.com<mailto:jeremy.rowley at digicert.com>>
Cc: validation at cabforum.org<mailto:validation at cabforum.org>
Subject: Re: [cabf_validation] Domain Validation Update

I suggest we change the introduction (lines A & B) to read

3.2.2.4. Authorization by Domain Name Registrant

The CA SHALL confirm that, as of the date the Certificate issues, either the CA or a Delegated Third Party has confirmed, for each Fully-Qualified Domain Name (FQDN) in the Certificate, the authority of the Applicant to receive a Certificate containing the FQDN using at least one of the methods listed below.
Completed confirmations of Applicant authority may be valid for the issuance of multiple certificates over time.  In all cases, the confirmation must have been initiated no more than 39 months prior to certificate issuance.
For purposes of domain validation, the term Applicant includes the Applicant’s Parent Company, Subsidiary Company, or Affiliate.

There has been lots of discussion about the model where a CA validates domain authorization prior to receiving a specific certificate request.  I think that this revised text should assist in clarifying the situation.  It also make it very clear that the 39 month re-use rule applies to domain authorizations, rather than having to infer it based on the text in "Identification and Authentication for Routine Re‐key”.

Thanks,
Peter

On Mar 10, 2016, at 9:34 PM, Jeremy Rowley <jeremy.rowley at digicert.com<mailto:jeremy.rowley at digicert.com>> wrote:

Here’s the updated domain validation draft based on today’s discussion (and a couple of attempts to clarify items of confusion).  I look forward to the comments.
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