linux-kernel - Re: [PATCH] kernel crypto API interface specification

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Message-ID: <2081738.uvS0jMPrv1@myon.chronox.de>
Date:	Thu, 16 Oct 2014 18:50:58 +0200
From:	Stephan Mueller <smueller@...onox.de>
To:	Jason Cooper <jason@...edaemon.net>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kernel crypto API interface specification

Am Donnerstag, 16. Oktober 2014, 11:06:05 schrieb Jason Cooper:

Hi Jason,

> On Thu, Oct 16, 2014 at 09:25:01AM -0400, Jason Cooper wrote:
> > + Grant, Geert,
> > 
> > Stephan has created some great example code for both the kernel crypto
> > API and the userspace crypto API.  As examples tend to bitrot, I was
> > wondering if the code could serve as test code.  Then it would have a
> > triple role: API regression testing, crypto test suite, and reference
> > implementation.
> > 
> > Original patch is here:
> >   https://lkml.kernel.org/r/7502136.9BkWHTZ0th@myon.chronox.de
> > 
> > On Thu, Oct 16, 2014 at 09:19:08AM +0200, Stephan Mueller wrote:
> > > Am Mittwoch, 15. Oktober 2014, 13:58:00 schrieb Jason Cooper:
> > > > On Tue, Oct 14, 2014 at 09:46:50PM +0200, Stephan Mueller wrote:
> ...
> 
> > > > Perhaps the userspace API example should be a separate file with this
> > > > text at the top?  Seems odd having it at the end.  Also, if you copied
> > > > it from cryptsetup, is the copyright info correct?
> > > 
> > > I did not copy it from cryptsetup. I only used it as a basis, especially
> > > with the data structure handling in _kcapi_cipher_crypt. But you are
> > > right, I changed the license for the user space by taking the
> > > cryptsetup license.> 
> > Ok.  It looks like Geert and Grant took part in the kernel test
> > unconference, so I'm adding them to the Cc.  I hope they can give us
> > some pointers as to where we could hook in this code.  Then we can
> > simply refer to it from the userspace API document.
> 
> tools/testing/selftests/crypto would be a good location for the example
> code in the next version of this patch.  Make sure to take a look at
> tools/testing/selftests/README.txt.

Well, I have written a FIPS 140-2 CAVS test harness covering all ciphers NIST 
is interested. Maybe this can go there?

> 
> thx,
> 
> Jason.


-- 
Ciao
Stephan
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