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Reply-To: noloader@gmail.com
From:   Jeffrey Walton <noloader@gmail.com>
Date:   Fri, 24 May 2019 04:49:09 -0400
Message-ID: <CAH8yC8nBDa438QsJvs91CGV-e+-j9UxnB2pQ6-KAy0jV3EXj-w@mail.gmail.com>
Subject: Re: another testmgr question
To:     Christophe Leroy <christophe.leroy@c-s.fr>
Cc:     Pascal Van Leeuwen <pvanleeuwen@insidesecure.com>,
        Eric Biggers <ebiggers@kernel.org>,
        "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
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On Fri, May 24, 2019 at 4:47 AM Christophe Leroy
<christophe.leroy@c-s.fr> wrote:
> ...
> > As I already mentioned in another thread somewhere, this morning in the
> > shower I realised that this may be useful if you have no expectation of
> > the length itself. But it's still a pretty specific use case which was
> > never considered for our hardware. And our HW doesn't seem to be alone in
> > this.
> > Does shaXXXsum or md5sum use the kernel crypto API though?
>
> The ones from libkcapi do (http://www.chronox.de/libkcapi.html)

And they can be loaded into OpenSSL through the afalg interface.

Lots of potential uses cases. I would not cross my fingers no one is using them.

Jeff