Ryan -

Originally the Observatory had "Subject+SPKI" hash field. Someone filed a
bug that Subject+SPKI field wasn't as useful for external comparisons as
the SPKI, and the Observatory changed over, replacing the old Subject+SPKI
hash with a pure SPKI hash.

We were proposing to switch to just the SPKI, simply because that is what
the Observatory is using today. However, there's no reason not to have the
Observatory provide the Subject+SPKI hash alongside the SPKI, and then we
can keep that field and effectively add the SPKI hash. That seems like a
good idea, for all the reasons David pointed out in 2016
<https://github.com/mozilla/tls-observatory/issues/144>.

Thanks for catching this!

Cheers,
J.C.

On Fri, Jun 1, 2018 at 11:57 AM, Julien Vehent via dev-security-policy <
[email protected]> wrote:

> I think the revert was a mistake. I should have added the SPKI instead of
> replacing the Subject+SPKI with SPKI. (I don't recall the discussion at the
> time, but I think someone confused Subject+SPKI for SPKI and I meant to
> address the confusion).
>
> I'll re-add the subject+spki field, this time in addition to SPKI, and
> re-populate the DB.
>
> - Julien
> _______________________________________________
> dev-security-policy mailing list
> [email protected]
> https://lists.mozilla.org/listinfo/dev-security-policy
>
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