Re: [PATCH v3 4/7] crypto: AF_ALG: add AEAD support

[Herbert Xu]

On Mon, Nov 24, 2014 at 03:58:34PM +0100, Stephan Mueller wrote:
> Ok. But in the code you see that skcipher is a 100% subset of AEAD. For 
> AEAD, all we need to do in addition to normal symmetric ciphers is to 
> select the AEAD kernel crypto API calls, to locate and use the AD and to 
> ensure we have the right memory size to process the tag.

There is still one fundamental difference between AEAD and ciphers.
Namely that ciphers can operate as you go while AEAD requests must
be done in one lot.  So that should make the AEAD code simpler vs.
ciphers.

I think the best course of action for now is to start with sharing
no code and then chop bits off as we see fit.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/