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From: Alejandro Colomar <alx@kernel.org>
To: Rich Felker <dalias@libc.org>
Cc: Alejandro Colomar <alx+linux-man@kernel.org>,
	 "Serge E. Hallyn" <serge@hallyn.com>,
	linux-man@vger.kernel.org, libc-alpha@sourceware.org,
	 Walter Harms <wharms@bfs.de>,
	~hallyn/shadow@lists.sr.ht, musl@lists.openwall.com
Subject: Re: [musl] Re: [PATCH v1] man/man3/crypt.3: These functions accept many algorithms, not only DES
Date: Wed, 11 Nov 2026 22:43:17 +0100	[thread overview]
Message-ID: <avThPiJtvcO-eHiR@devuan> (raw)
In-Reply-To: <20261111211313.GF5716@brightrain.aerifal.cx>

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Hi Rich,

> Date: 2026-11-11 16:13:13-0500
> From: Rich Felker <dalias@libc.org>
>
[...]
> 
> I'm not sure where you're getting this from. All implementations of
> the same password hash function need to produce the same result, or
> user credentials would not be portable between different ones. And a
> password hash that does not use any salt would not be fit for purpose.
> 
> In musl's crypt_sha512.c, the salt is isolated from the setting string
> in lines 262-266 and used in the sha512_update operations that follow.

I'm not a cryptographer, so my reading of that code isn't very good.
Thanks for correcting me!


Have a lovely night!
Alex

> 
> Rich

-- 
<https://www.alejandro-colomar.es>

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  reply	other threads:[~2026-11-11 21:43 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-09 23:58 [PATCH v1] man/man3/crypt.3: These functions accept many algorithms, not only DES Alejandro Colomar
2026-11-10  0:01 ` Alejandro Colomar
2026-11-11 15:05   ` Serge E. Hallyn
2026-11-11 18:55     ` Alejandro Colomar
2026-11-11 21:13       ` [musl] " Rich Felker
2026-11-11 21:43         ` Alejandro Colomar [this message]
2026-11-12  1:52   ` Vincent Lefevre
2026-11-12  2:53     ` Rich Felker
2026-11-12  3:29       ` Vincent Lefevre
2026-11-12  3:37         ` [musl] " Rich Felker
2026-11-12 10:28           ` Alejandro Colomar
2026-11-12 11:40             ` Vincent Lefevre
2026-11-12 12:08               ` Alejandro Colomar
2026-11-12 13:15                 ` Vincent Lefevre
2026-11-12 13:26                   ` Alejandro Colomar
2026-11-12 12:08             ` Rich Felker
2026-11-12 12:27               ` Alejandro Colomar
2026-11-12 12:41                 ` Szabolcs Nagy
2026-11-12 13:12                   ` Alejandro Colomar
2026-11-12 13:27                     ` Vincent Lefevre
2026-11-12 13:17                 ` Vincent Lefevre
2026-11-12 13:23                   ` Alejandro Colomar
2026-11-12 13:45                     ` Vincent Lefevre
2026-11-12 13:55                       ` Rich Felker
2026-11-12 14:07                         ` Alejandro Colomar
2026-11-12 14:43                           ` Rich Felker

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