Subject: Re: [PATCH v2 0/2] crypto: streebog - add Streebog hash function
From: Mimi Zohar <zohar@linux.ibm.com>
To: Vitaly Chikunov <vt@altlinux.org>,
        Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>,
        linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-integrity@vger.kernel.org,
        Mimi Zohar <zohar@linux.vnet.ibm.com>,
        Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
Date: Mon, 05 Nov 2018 07:48:33 -0500
In-Reply-To: <20181103055145.ndvxd7nbnoqtwrk5@sole.flsd.net>
References: <20181010121254.12220-1-vt@altlinux.org>
         <20181012061659.mextetc3v7urqkzx@gondor.apana.org.au>
         <20181012064105.bchujbwoaszrcu3l@sole.flsd.net>
         <20181017060851.r5mxvpq3l2ycvpio@gondor.apana.org.au>
         <20181103055145.ndvxd7nbnoqtwrk5@sole.flsd.net>
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On Sat, 2018-11-03 at 08:51 +0300, Vitaly Chikunov wrote:
> Herbert,
> 
> On Wed, Oct 17, 2018 at 02:08:51PM +0800, Herbert Xu wrote:
> > On Fri, Oct 12, 2018 at 09:41:05AM +0300, Vitaly Chikunov wrote:
> > >
> > > It is the first part of attempts to add to the Integrity subsystem
> > > ability of verifying file and module signatures by Russian GOST
> > > algorithms.
> > 
> > It would be better if these patches are posted together.  That
> > way we don't end up with a situation where the algorithm goes into
> > the kernel but the ultimate user is rejected.
> 
> IMA does not need any particular patching inside of their subtree to
> support new hash, because it is using any hash registered in Hash Info
> which is still under crypto subtree. I added appropriate patch into v3
> which is already posted a week ago, and tested it to work correctly with
> ima_appraise=fix.

That's true, but the target subsystem should be made aware of the new
usage.

Thanks, Herbert.

Mimi