linux-kernel - Re: [PATCH v0 3/8] crypto: hbk flags & info added to the tfm

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Date:   Fri, 7 Oct 2022 14:58:27 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Pankaj Gupta <pankaj.gupta@....com>
Cc:     jarkko@...nel.org, a.fatoum@...gutronix.de, gilad@...yossef.com,
        Jason@...c4.com, jejb@...ux.ibm.com, zohar@...ux.ibm.com,
        dhowells@...hat.com, sumit.garg@...aro.org, david@...ma-star.at,
        michael@...le.cc, john.ernberg@...ia.se, jmorris@...ei.org,
        serge@...lyn.com, davem@...emloft.net, j.luebbe@...gutronix.de,
        ebiggers@...nel.org, richard@....at, keyrings@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-integrity@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, sahil.malhotra@....com,
        kshitiz.varshney@....com, horia.geanta@....com, V.Sethi@....com
Subject: Re: [PATCH v0 3/8] crypto: hbk flags & info added to the tfm

On Thu, Oct 06, 2022 at 06:38:32PM +0530, Pankaj Gupta wrote:
> Consumer of the kernel crypto api, after allocating
> the transformation (tfm), sets the:
> - flag 'is_hbk'
> - structure 'struct hw_bound_key_info hbk_info'
> based on the type of key, the consumer is using.
> 
> This helps:
> 
> - This helps to influence the core processing logic
>   for the encapsulated algorithm.
> - This flag is set by the consumer after allocating
>   the tfm and before calling the function crypto_xxx_setkey().
> 
> Signed-off-by: Pankaj Gupta <pankaj.gupta@....com>
> ---
>  include/linux/crypto.h | 5 +++++
>  1 file changed, 5 insertions(+)

Nack.  You still have not provided a convincing argument why
this is necessary since there are plenty of existing drivers in
the kernel already providing similar features.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt