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

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From: Stefan Kangas <stefankangas <at> gmail.com>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 58472 <at> debbugs.gnu.org, Matt Armstrong <matt <at> rfc20.org>
Subject: bug#58472: [PATCH] Make `message-unique-id' less prone to collisions
Date: Sun, 16 Oct 2022 17:05:36 +0000

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

> BTW, we currently call getrandom with flags 0 in
> extract_data_from_object.  Should we consider using GRND_RANDOM?

linux.git/include/uapi/linux/random.h says that:

/*
 * Flags for getrandom(2)
 *
 * GRND_NONBLOCK	Don't block and return EAGAIN instead
 * GRND_RANDOM		No effect
 * GRND_INSECURE	Return non-cryptographic random bytes
 */

But the story is probably not the same on other systems, according to
the glibc documentation, so we should probably not change this.

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