GNU bug report logs - #58472
[PATCH] Make `message-unique-id' less prone to collisions

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: 58472 <at> debbugs.gnu.org, Paul Eggert <eggert <at> cs.ucla.edu>
Subject: bug#58472: [PATCH] Make `message-unique-id' less prone to collisions
Date: Thu, 13 Oct 2022 13:45:53 +0200

Stefan Kangas <stefankangas <at> gmail.com> writes:

> For the first 1-2 characters, it uses the return value `user-uid', which
> on most single-user systems is a fixed value (for example, this gives us
> "87" on almost any single-user Debian machine).[1]  It's also
> unnecessarily leaky of potentially privacy sensitive information.

Well, since it is "87" on most machines, it's not very leaky.  😀

It's documented to be this way, though?  That is, we've got tricks like
being able to score on References based on your Message-ID to score up
threads you've been a part of, etc.

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