linux-kernel - Re: [PATCH] apparmor: use SHA-256 library API instead of crypto

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Message-ID: <CAHC9VhRL=Jsx8B1s-3qmVOXuRuRF2hTOi3uEnRiWra+7oQJvrg@mail.gmail.com>
Date: Wed, 14 May 2025 17:57:52 -0400
From: Paul Moore <paul@...l-moore.com>
To: Eric Biggers <ebiggers@...nel.org>
Cc: John Johansen <john.johansen@...onical.com>, apparmor@...ts.ubuntu.com, 
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-crypto@...r.kernel.org
Subject: Re: [PATCH] apparmor: use SHA-256 library API instead of crypto_shash API

On Wed, May 14, 2025 at 12:22 AM Eric Biggers <ebiggers@...nel.org> wrote:
> On Mon, Apr 28, 2025 at 12:04:30PM -0700, Eric Biggers wrote:
> > From: Eric Biggers <ebiggers@...gle.com>
> >
> > This user of SHA-256 does not support any other algorithm, so the
> > crypto_shash abstraction provides no value.  Just use the SHA-256
> > library API instead, which is much simpler and easier to use.
> >
> > Signed-off-by: Eric Biggers <ebiggers@...gle.com>
> > ---
> >
> > This patch is targeting the apparmor tree for 6.16.
> >
> >  security/apparmor/Kconfig  |  3 +-
> >  security/apparmor/crypto.c | 85 ++++++--------------------------------
> >  2 files changed, 13 insertions(+), 75 deletions(-)
>
> Any interest in taking this patch through the apparmor or security trees?

Something like this would need to go through the AppArmor tree.  As a
FYI, the AppArmor devs are fairly busy at the moment so it may take a
bit for them to get around to this.

-- 
paul-moore.com