From: "Ludovic Courtès" <ludo@gnu.org>
To: Vagrant Cascadian <vagrant@reproducible-builds.org>
Cc: Guix Devel <guix-devel@gnu.org>
Subject: Re: maradns reproducibility fixes and the merits of picking a random number
Date: Tue, 07 Jun 2022 17:15:00 +0200 [thread overview]
Message-ID: <87ee00a4jv.fsf@gnu.org> (raw)
In-Reply-To: <87pmjlfdjl.fsf@contorta> (Vagrant Cascadian's message of "Mon, 06 Jun 2022 18:49:34 -0700")
Hi,
Vagrant Cascadian <vagrant@reproducible-builds.org> skribis:
> But there's one nervous-making issue this revealed; maradns embeds a
> random number at build time ... allegedly for systems that don't have
> /dev/urandom... see
> maradns-3.5.0020/deadwood-3.5.0020/src/Makefile.ubuntu2004:
>
> # Since some systems may not have /dev/urandom (Windows, *cough* *cough*), we
> # keep a randomly generated prime around
>
> So it's got some code to generate a random number at build time and
> embed it in the binary. Now, if there's anything I know about good
> practices about random numbers, this sort of thing is generally a very
> large red flag! It also makes the package build differently every time!
Woow. Reproducibility work lets you uncover issues you wouldn’t think of!
Ludo’.
next prev parent reply other threads:[~2022-06-07 15:16 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-07 1:49 maradns reproducibility fixes and the merits of picking a random number Vagrant Cascadian
2022-06-07 3:24 ` Felix Lechner
2022-06-07 5:20 ` Julien Lepiller
2022-06-07 12:11 ` Brian Cully via Development of GNU Guix and the GNU System distribution.
2022-06-08 11:48 ` Efraim Flashner
2022-06-08 14:09 ` Tobias Geerinckx-Rice
2022-06-08 11:47 ` Efraim Flashner
2022-06-08 20:33 ` Vagrant Cascadian
2022-06-23 2:05 ` Vagrant Cascadian
2022-06-28 1:31 ` Vagrant Cascadian
2022-06-28 9:30 ` Efraim Flashner
2022-06-28 15:39 ` Jack Hill
2022-06-28 16:04 ` Tobias Geerinckx-Rice
2022-06-28 16:18 ` Gábor Boskovits
2022-06-28 16:33 ` Vagrant Cascadian
2022-06-28 19:06 ` Tobias Geerinckx-Rice
2022-06-28 19:15 ` Tobias Geerinckx-Rice
2022-07-12 2:36 ` Vagrant Cascadian
2022-07-12 2:41 ` Vagrant Cascadian
2022-07-18 11:21 ` Ludovic Courtès
2022-07-19 13:09 ` Tobias Geerinckx-Rice
2022-06-07 15:15 ` Ludovic Courtès [this message]
2022-06-08 19:28 ` Arun Isaac
2022-06-08 20:25 ` Vagrant Cascadian
2022-06-14 17:16 ` Philip McGrath
2022-06-08 19:43 ` Liliana Marie Prikler
2022-06-08 20:23 ` Vagrant Cascadian
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