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

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> 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





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