linux-kernel - Re: [PATCH v2 0/4] virtio-crypto: support ECDSA algorithm

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Message-ID: <CACXcFmmxDVBrnp3_0UzN+VbAjDaUSNtoUBz5fM1Y4u5yqL89qA@mail.gmail.com>
Date:   Fri, 1 Jul 2022 07:12:41 +0800
From:   Sandy Harris <sandyinchina@...il.com>
To:     Lei He <helei.sig11@...edance.com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        David Howells <dhowells@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, berrange@...hat.com,
        pizhenwei@...edance.com
Subject: Re: [PATCH v2 0/4] virtio-crypto: support ECDSA algorithm

On Thu, Jun 30, 2022 at 4:37 PM Lei He <helei.sig11@...edance.com> wrote:

> I have explained above why we need a driver that supports ECDSA, ...

I do not think we do. There are some security concerns.
https://en.wikipedia.org/wiki/Elliptic_Curve_Digital_Signature_Algorithm#Security