> 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