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Message-ID: <2953ab4f1a75ef0f9831aff5f411f0b42cbd2d11.camel@posteo.net>
Date: Mon, 04 Nov 2024 20:36:33 +0000
From: John Scott <jscott@...teo.net>
To: libc-coord@...ts.openwall.com
Subject: Re: Anyone have a secure 'free' API?
Keith Packard wrote:
> I'm wondering if anyone on this list has a C library exposing something like this for applications?
Apologies if you already thought of this, but I believe the just-published C23 has memset_explicit() for applications that want to do something like this. Since mem*() functions in <string.h> are in implementation-reserved namespace, this I think this can be exposed to applications electing to use prior standards like POSIX Issue 8 (which uses C17).
For whatever it's worth C11 Annex K places similar requirements on memset_s(), but I don't see much reason for new code to use it going forward.
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