Re: ecdh support causes unnecessary roundtrips

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Marko Kreen <markokr(at)gmail(dot)com>, Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: ecdh support causes unnecessary roundtrips
Date: 2026-02-20 19:17:42
Message-ID: 2924925.1771615062@sss.pgh.pa.us
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Daniel Gustafsson <daniel(at)yesql(dot)se> writes:
> On 20 Feb 2026, at 17:07, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I'd rather test the normal configuration
>> normally and make people who want to run the test on a FIPS platform
>> do something different.

> How about a function in Cluster.pm which returns whether the underlying OpenSSL
> is using FIPS or not, and if it does we adjust the config to make it not fail
> on an unallowed group? That way we can have a CI job that runs with FIPS and
> the adjusted test config, and the rest - along with the Buildfarm - runs the
> default config.

If we can get that information easily, then sure.

BTW, I think we should be back-patching these fixes into v18, since
the testing hazard exists there too. But maybe wait till after the
re-release is finished.

regards, tom lane

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