Subject: Re: [PATCH 05/18] crypto: testmgr - add DH RFC 7919 ffdhe2048 test
 vector
To:     Nicolai Stange <nstange@suse.de>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        "David S. Miller" <davem@davemloft.net>
Cc:     =?UTF-8?Q?Stephan_M=c3=bcller?= <smueller@chronox.de>,
        Torsten Duwe <duwe@suse.de>, Zaibo Xu <xuzaibo@huawei.com>,
        Giovanni Cabiddu <giovanni.cabiddu@intel.com>,
        David Howells <dhowells@redhat.com>,
        Jarkko Sakkinen <jarkko@kernel.org>,
        linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
        qat-linux@intel.com, keyrings@vger.kernel.org
References: <20211201004858.19831-1-nstange@suse.de>
 <20211201004858.19831-6-nstange@suse.de>
From:   Hannes Reinecke <hare@suse.de>
Message-ID: <cc024490-168a-938e-771d-dc5e6af94f43@suse.de>
Date:   Wed, 1 Dec 2021 08:24:09 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.12.0
MIME-Version: 1.0
In-Reply-To: <20211201004858.19831-6-nstange@suse.de>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Precedence: bulk

On 12/1/21 1:48 AM, Nicolai Stange wrote:
> The previous patch introduced support for the safe-prime groups specified
> by RFC 7919. In order to test this functionality, add a corresponding test
> vector to testmgr. The test data has been generated with OpenSSL.
> 
> Note that this new entry provides test coverage for the recent change to
> crypto_dh_encode_key(), which made it to skip the serialization of domain
> parameters for known groups, i.e. those with
> ->group_id != dh_group_id_unknown.
> 
> Moreover, a future patch will make the DH implementation to reject domain
> parameters not corresponding to some safe-prime group approved by
> SP800-56Arev3 in FIPS mode and the existing DH test vectors don't qualify.
> So this patch here will ensure that there's still some suitable test vector
> available.
> 
> Signed-off-by: Nicolai Stange <nstange@suse.de>
> ---
>   crypto/testmgr.h | 94 +++++++++++++++++++++++++++++++++++++++++++++++-
>   1 file changed, 93 insertions(+), 1 deletion(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@suse.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer