On Fri, Jun 23, 2017 at 02:48:37PM +0800, Herbert Xu wrote: > On Mon, Jun 19, 2017 at 09:55:24AM +0200, Corentin Labbe wrote: > > > > Since there are two different user of "crypto engine + ablkcipher", it will be not easy to convert them in one serie. (I could do it, but I simply could not test it for OMAP (lack of hw)) > > And any new user which want to use crypto engine+skcipher (like me with the sun8i-ce driver) are simply stuck. > > You're right. We'll need to do this in a backwards-compatible way. In fact > we already do something similar in skcipher.c itself. Simply look at the > cra_type field and if it matches blkcipher/ablkcipher/givcipher then it's > legacy ablkcipher, otherwise it's skcipher. > > Also the way crypto_engine looks at the request type in the data-path is > suboptimal. This should really be built into the cra_type object. For > example, we can have cra_type->engine->prepare_request which would just > do the right thing. > Not sure to have well understand what you want. You want that I switch on cra_type instead of crypto_tfm_alg_type() ?