Re: BUG #17760: SCRAM authentication fails with "modern" (rsassaPss signature) server certificate

From: "Gunnar \"Nick\" Bluth" <gunnar(dot)bluth(at)pro-open(dot)de>
To: Michael Paquier <michael(at)paquier(dot)xyz>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Jacob Champion <jchampion(at)timescale(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #17760: SCRAM authentication fails with "modern" (rsassaPss signature) server certificate
Date: 2023-02-13 12:54:46
Message-ID: 29c8e8cb-d476-727e-c257-3f9cfa6ed527@pro-open.de
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Am 13.02.23 um 02:58 schrieb Michael Paquier:
[...]

>> Agreed, if we have an easy solution for RSA-PSS, that's good enough
>> for now.
>
> Indeed.
>
> With all that in mind, I am finishing with the attached with the
> tests, the meson tweaks and the MSVC tweaks. I have tested it on
> HEAD, with OpenSSL down to 1.0.1 which is the minimum version of this
> branch. Making sure that this mostly works with 1.0.0 and 0.9.8 on
> older branches would not be an issue here.

FWIW:
I only understand a fraction of the underlying crypto, but the patch LGTM!

Much appreciated, thanks for the effort (and sorry for causing it ;-)!
--
Gunnar "Nick" Bluth

Eimermacherweg 106
D-48159 Münster

Mobil +49 172 8853339
Email: gunnar(dot)bluth(at)pro-open(dot)de
__________________________________________________________________________
"Ceterum censeo SystemD esse delendam" - Cato

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