linux-kernel - Re: [PATCH v4 04/15] crypto: dh - constify struct dh's pointer members

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Date:   Mon, 21 Feb 2022 15:12:37 +0100
From:   Hannes Reinecke <hare@...e.de>
To:     Nicolai Stange <nstange@...e.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Stephan Müller <smueller@...onox.de>,
        Torsten Duwe <duwe@...e.de>,
        David Howells <dhowells@...hat.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        keyrings@...r.kernel.org
Subject: Re: [PATCH v4 04/15] crypto: dh - constify struct dh's pointer
 members

On 2/21/22 13:10, Nicolai Stange wrote:
> struct dh contains several pointer members corresponding to DH parameters:
> ->key, ->p and ->g. A subsequent commit will introduce "dh" wrapping
> templates of the form "ffdhe2048(dh)", "ffdhe3072(dh)" and so on in order
> to provide built-in support for the well-known safe-prime ffdhe group
> parameters specified in RFC 7919. These templates will need to set the
> group parameter related members of the (serialized) struct dh instance
> passed to the inner "dh" kpp_alg instance, i.e. ->p and ->g, to some
> constant, static storage arrays.
> 
> Turn the struct dh pointer members' types into "pointer to const" in
> preparation for this.
> 
> Signed-off-by: Nicolai Stange <nstange@...e.de>
> ---
>   include/crypto/dh.h | 6 +++---
>   security/keys/dh.c  | 2 +-
>   2 files changed, 4 insertions(+), 4 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

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