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

From: Lei He
Date: Thu Jun 30 2022 - 03:23:52 EST



> On Jun 30, 2022, at 2:59 PM, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Thu, Jun 23, 2022 at 03:05:46PM +0800, Lei He wrote:
>> From: lei he <helei.sig11@xxxxxxxxxxxxx>
>>
>> This patch supports the ECDSA algorithm for virtio-crypto.
>
> Why is this necessary?
>

The main purpose of this patch is to offload ECDSA computations to virtio-crypto dev.
We can modify the backend of virtio-crypto to allow hardware like Intel QAT cards to
perform the actual calculations, and user-space applications such as HTTPS server
can access those backend in a unified way(eg, keyctl_pk_xx syscall).

Related works are also described in following patch series:
https://lwn.net/ml/linux-crypto/20220525090118.43403-1-helei.sig11@xxxxxxxxxxxxx/

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