basics for cryptodev support

[Nikos Mavrogiannopoulos]

Simon Josefsson wrote:
> Nikos Mavrogiannopoulos <nmav at gnutls.org> writes:
> 
>> I'm working slowly into adding some support for hw crypto
>> devices. Currently the easiest way to achieve this is by using the
>> kernel crypto hw support (in linux there is already support for via
>> and geode aes implementations and there is also ocf-linux[0] which
>> provides more hw).
> 
> Cool!
> 
>> For this reason I added an API to register ciphers and macs
> 
> Will this API be stable?  I'd like to push out a stable 2.4.0 in a few
> weeks.  If there is any risk that this API will change during 2.5.x, I
> think we should revert this change and add it for the next development
> cycle instead.

No I wouldn't consider them stable since I need to test them first with 
some other crypto provider (say cryptodev). I also haven't finished it 
(rnd and pki remain to be done).

>> (rnd + pki will follow on my next burst).

> When I migrated the code to use gnulib for low-level crypto, I gave up
> on mpi stuff, since it was rather libgcrypt-specific right now.
> Finishing this would be really great.

I've also gave up several times after starting this. I'll try to work on 
it the next 2-3 weeks.

regards,
Nikos