linux-kernel - Re: [PATCH v2 0/2] crypto: streebog

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Message-Id: <1541422113.21115.44.camel@linux.ibm.com>
Date:   Mon, 05 Nov 2018 07:48:33 -0500
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Vitaly Chikunov <vt@...linux.org>,
        Herbert Xu <herbert@...dor.apana.org.au>
Cc:     "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>
Subject: Re: [PATCH v2 0/2] crypto: streebog - add Streebog hash function

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