Re: [PATCH] crypto: gcm - fix cacheline sharing
From: Ard Biesheuvel
Date: Thu May 30 2019 - 11:13:56 EST
On Thu, 30 May 2019 at 17:06, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Thu, May 30, 2019 at 05:04:51PM +0200, Ard Biesheuvel wrote:
> >
> > But given your remark regarding CBC being the only algo that has this
> > requirement, I wonder if this might be sufficient as well.
>
> It's not that CBC is the only one with the requirement. It's just
> that this is the wrong output IV for CTR.
>
Are there any generic templates relying on this for other algos than CBC?