Transforming a trade name into ASCII in the O field of an OV cert

(Mozilla hat off.)

After reading about the California versus Delaware thing when it comes
to the certificate for, out of curiosity, I took a fresh
look at the ISO 3166-1 code in the EV certificates of some of the
banks that operate in Finland. (Result: is SE, is SE but is FI
and not DK.)

While at it, I noticed that the certificate for is an OV cert whose O field says
"Saastopankkiliitto osk". However, according to
, the trade name of the entity is "S=C3=A4=C3=A4st=C3=B6pankkiliitto osk". =
It also
has parallel trade names "Sparbanksf=C3=B6rbundet anl" (Swedish translation
of the primary name) and "Savings Banks' Union Coop" (English
translation of the primary name) and auxiliary trade names
"S=C3=A4=C3=A4st=C3=B6pankkikeskus" and "Sparbankscentralen". But no
"Saastopankkiliitto osk".

While I don't think there is any risk of confusion in this particular
case[1], I'm wondering: What in the Baseline Requirements authorizes
DigiCert to omit the diaereses from the trade name?

The Baseline Requirements have this to say: "If present, the
subject:organizationName field MUST contain either the Subject=E2=80=99s na=
or DBA as verified under Section The CA may include
information in this field that differs slightly from the verified
name, such as common variations or abbreviations, provided that the CA
documents the difference and any abbreviations used are locally
accepted abbreviations; e.g., if the official record shows =E2=80=9CCompany
Name Incorporated=E2=80=9D, the CA MAY use =E2=80=9CCompany Name Inc.=E2=80=
=9D or =E2=80=9CCompany

The variation covered by the example would have authorized the use of
the abbreviation "osk" had the registered name contained "osuuskunta"
(but it contained "osk" to begin with) or to drop "osk".

Is it documented anywhere what transformations other than ones that
are analogous to transforming "Incorporated" to "Inc." (or dropping
it) are acceptable as differing "slightly"? In the Finnish language, =C3=A4
and =C3=B6 are considered to be distinct letters from a and o (so distinct
that they sort to the end of the alphabet), so from that perspective,
one could argue that the transformation is not "slight" for trade
names themselves even though it is customary for transforming trade
names into domain names[1].

Clearly, this isn't a matter of technical limitation, because DigiCert
was able to put "=C3=85landsbanken Abp" in the O field of the cert for .

[1] is the primary address to which (but not https!) redirects. Web site=
in Finland generally prefer interoperability with non-IDN-cabable
usage over correct spelling.

Henri Sivonen
4/15/2018 1:13:27 PM 1337 articles. 2 followers. Post Follow

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