Re: sunsetting md5 password support

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: sunsetting md5 password support
Date: 2024-10-10 22:34:01
Message-ID: DCCEA288-C45D-4B52-BF99-EB23A6D05909@yesql.se
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> On 11 Oct 2024, at 00:28, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> On the whole I agree with Heikki's comment that we should just
> do it (disallow MD5, full stop) whenever we feel that enough
> time has passed. These intermediate states are mostly going to
> add headaches. Maybe we could do something with an intermediate
> release that just emits warnings, without any feature changes.

+1, warnings and ample documentation for how to perform the migration (and why,
I'm sure it will come as a surprise to *many*) is likely our best investment.
That coupled with a well communicated point in time for when MD5 goes away with
notices in all release notes up until that point.

--
Daniel Gustafsson

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