Re: Crypto Update for 2.6.38

Mihai Donțu
2011-01-06T23:02:36Z

On Thursday 06 January 2011 23:46:02 Pavel Roskin wrote:
> On 01/06/2011 04:16 PM, Herbert Xu wrote:
> > This is also why only hash and skcipher are supported as they
> > are the main algorithm types supported by teh current async
> > drivers in the kernel.
>
> Are there any chances AEAD will be supported? Is the API extendable to
> allow that?
>
> If I remember correctly, the original patch was simply a port of FreeBSD
> /dev/crypto, which doesn't support AEAD.

If it's meant to work like the FreeBSD /dev/crypto, then maybe this[1] paper
is worth mentionning, which includes some performance numbers. There was a
single thing that drew my attention, from "Drawbacks and problems [of
userspace crypto]": "Lots of scary code-duplication".

[1] http://www.paeps.cx/pubs/crypto_acceleration/slides.pdf

--
Mihai Donțu