linux-kernel - Re: [PATCH v7 4/7] crypto: add ecc curve and expose them

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Message-ID: <20210128103908.GA32495@gondor.apana.org.au>
Date:   Thu, 28 Jan 2021 21:39:08 +1100
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     Meng Yu <yumeng18@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Zaibo Xu <xuzaibo@...wei.com>, wangzhou1@...ilicon.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Daniele Alessandrelli <daniele.alessandrelli@...ux.intel.com>,
        Mark Gross <mgross@...ux.intel.com>,
        "Khurana, Prabhjot" <prabhjot.khurana@...el.com>,
        "Reshetova, Elena" <elena.reshetova@...el.com>
Subject: Re: [PATCH v7 4/7] crypto: add ecc curve and expose them

On Thu, Jan 28, 2021 at 11:30:23AM +0100, Ard Biesheuvel wrote:
>
> But this also begs the question which ecdh-nist-pXXX implementations
> we actually need? Why are we exposing these curves in the first place?

Once they're distinct algorithms, we can then make sure that only
the ones that are used in the kernel is added, even if some hardware
may support more curves.

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