linux-kernel - Re: [PATCH] crypto: hisilicon/hpre - Add processing of src

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Message-ID: <20210402094919.GL24509@gondor.apana.org.au>
Date:   Fri, 2 Apr 2021 20:49:19 +1100
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Meng Yu <yumeng18@...wei.com>
Cc:     davem@...emloft.net, linux-crypto@...r.kernel.org,
        xuzaibo@...wei.com, wangzhou1@...ilicon.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: hisilicon/hpre - Add processing of src_data in
 'CURVE25519'

On Sat, Mar 27, 2021 at 05:56:16PM +0800, Meng Yu wrote:
> HPRE can only deal with src_data smaller than 'p' in 'CURVE25519'
> algorithm, but 'rfc7748' says:
> 'Implementations MUST accept non-canonical values and process them as
> if they had been reduced modulo the field prime'
> So we get its modulus to p, and then deal it with HPRE.
> 
> Signed-off-by: Meng Yu <yumeng18@...wei.com>
> ---
>  drivers/crypto/hisilicon/hpre/hpre_crypto.c | 22 ++++++++++++++++++----
>  1 file changed, 18 insertions(+), 4 deletions(-)

Patch applied.  Thanks.
-- 
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