On Mon, Nov 19, 2007 at 07:56:55PM +0800, Herbert Xu (herbert@xxxxxxxxxxxxxxxxxxx) wrote: > > I'm not sure what user will do, when it request chaining, but driver > > will set CRYPTO_ALG_CIPHER_NOCHAIN itself and return wrong/old in > > req->info? > > For IPsec it is not an issue though, but I can not say that for all. > > Drivers that set CRYPTO_ALG_CIPHER_NOCHAIN won't be returned > if the user requests for a chaining cipher. This is the same > as when you request for a cipher with no fallback that the > system won't return one needing a fallback. > > If you're worried about users doing chaining we could even > create a new frontend type for it. So the user would need > to allocate an object of type crypto_chncipher and use that > for operations that chain. Well, this looks like a good way forward. Not even getting into account, that it requires essentially zero efforts from driver writers :) -- Evgeniy Polyakov - To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
