IMHO ETSI case needs some clarification - in fact we have two different
issues here:
1. qualified and non-qualified certificate profiles (use of
"qcStatement-2" identified by the OID id-qcspkixQCSyntax-v2 with the
SemanticsInformation syntax, see
http://www.etsi.org/deliver/etsi_en/319400_319499/31941201/01.01.01_60/en_31941201v010101p.pdf).
2. ETSI proposal related to certificates issued to payment service
operators (see
https://cabforum.org/pipermail/validation/2018-June/000948.html)
In short, the first one says: if combined with the OID
id-qcspkixQCSyntax-v2 the syntax of serial-number is:
TTTCC-identifier
where TTT is a type of registry (from the list below);
CC - an ISO 3166 country code;
identifier means whatever we use today as a serial-number.
The predefined types of registries (TTT) are:
VAT - national VAT registry;
NTR - national trade registry;
PAS - national passport registry;
IDC - national ID card registry;
PNO - national civic registry;
TIN - Tax Identification registry
(https://ec.europa.eu/taxation_customs/tin/tinByCountry.html).
but we can add more TTTs e.g. SSN, IRS etc., so the composite
serial-number in a certificate would look like this: IRSUS-123456789
Also, TTT allows you to identify the subjects from country specific
registries (explicitly identified in certificate, see details in RFC 3739).
As for the second ETSI proposal, I suspect a little misunderstanding -
in the scenario where third party payment (TPP) service providers play
their role (see attached) they need *client* authentication certificates.
Thanks,
M.D.
On 7/7/2018 12:36 AM, Ryan Sleevi via Public wrote:
On Fri, Jul 6, 2018 at 4:29 PM Tim Hollebeek via Public
<[email protected] <mailto:[email protected]>> wrote:
As many of you are aware, the GLEIF foundation recently invited
CA/Browser Forum members to its identity management workshop.
Some people have contacted us about the possibility of putting LEI
identifiers into web certificates. This is in some ways similar
to the recent proposal from ETSI to put additional identity
information into certificates, though it has the advantage that we
are free to determine ourselves how best to encode it.
CAs are already allowed to include this information in
certificates, assuming it has been appropriately validated. There
is a Global Legal Entity Identifier Index that is authoritative
for LEIs. However it would be valuable if there were a
standardized CABF OID and extension so that every CA that chooses
to include this information includes it in an interoperable way.
This also allocates the OID in a namespace we control, allowing us
to state in the BRs the purpose and semantics of the extension,
and require that it only be used for authentic and validated LEIs.
It seems to me that it would be worthwhile to standardize this,
instead of every CA coming up with their own way of doing it.
What do other people think?
Could you explain how this information would be used by Relying Parties?
The GLEIF model effectively relies on third-party RAs, with all of the
attendant issues, and without a clear framework for addressing many of
the issues that has been held in the CA ecosystem. I'm not sure the
value proposition here, or that the information is something RPs
should necessarily use. As to whether or not it's appropriate, I think
that's going to be very much contingent upon what the intended
semantics being introduced are - that is, what relationship, if any,
is being expressed between the LEI ID and the domain - and that opens
a host of complexity that could easily detract from the far more
pressing and meaningful work on improving the domain and information
validation.
I'm not sure why a CABF OID would be more useful than a GLEIF OID
(which seems far more appropriate), and with a defined syntax relevant
for GLEIF. I can think of no good reason to use the CABF arc, so I'm
hoping you could explain more that thinking.
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