On Tue, Jun 28, 2016 at 09:23:01AM -0400, George Spelvin wrote: > > Wow, I should see how you do that. I couldn't get it below 3 > blocks of temporary, and the dst SG list only gives you > one and a half.
I don't mean that I'm using no temporary buffers at all, just that the actual crypto only operates on the SG lists. I'm still doing the xoring and stitching in temp buffers. I just counted and I'm using three blocks like you. > Is net/sunrpc/auth_gss/gss_krb5_mech.c doing something odd? Yes gss_krb5_crypto.c is the one. > I have a request of you: like Andy, I find the crypto layer an > impenetrable thicket of wrapper structures. I'm not suggesting there > aren't reasons for it, but it's extremely hard to infer those reasons by > looking at the code. If I were to draft a (hilariously wrong) overview > document, would you be willing to edit it into correctness? We have actually gained quite a bit of documentation recently. Have you looked at Documentation/DocBook/crypto-API.tmpl? More is always welcome of course. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
