[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] Question about add AF_ALG backend for virtio-crypto

From: Gonglei (Arei)
Subject: Re: [Qemu-devel] Question about add AF_ALG backend for virtio-crypto
Date: Tue, 10 Jan 2017 09:03:45 +0000


> On Mon, Jan 09, 2017 at 01:43:10PM +0000, Stefan Hajnoczi wrote:
> > On Mon, Jan 09, 2017 at 03:04:55PM +0800, Longpeng (Mike) wrote:
> > > I'm one of Gonglei's virtio-crypto project members, and we plan to add a
> > > backend for virtio-crypto(there's only builtin-backend currently).
> > >
> > > I found that Catalin, Paolo and Stefan had discussed about this in 2015
> > > (http://www.spinics.net/lists/kvm/msg115457.html), but it seems that
> Catalin
> > > didn't do it, so I'm confuse about wether it is need to add a AF_ALG
> backend.
> > >
> > > Do you have any suggestion? Thanks :)
> >
> > I have no objections to an AF_ALG backend in QEMU.
> Rather than do another backend for virtio-crypto, IMHO, we should have
> an AF_ALG impl of the crypto/ APIs. That way any potential performance
> benefits will enhance our LUKS encryption code too.
According to the currently schemas of crypto/ APIs, we can't choose the
specific backend dynamically. This is a limitation for virtio-crypto device I 

If an AF_ALG backend is supported, we can directly use the hardware
accelerators based on LKCF, which makes many sense.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]