On Sun, 11 Oct 2015 20:34:27 +0100 Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote: > Herbert, > > I wonder if you can clear something up about the hash export/import > functionality. In: > > http://lists.infradead.org/pipermail/linux-arm-kernel/2015-May/344120.html > > you seem to imply that the exported and imported state can't be defined > by the driver. > > Boris tells me, "AFAIR, crypto users are expecting md5/sha1/sha256_state > depending on the crypto req state they are exporting". Actually, this was my interpretation of Herbert's answer to this driver submission [1], but maybe I completely misunderstood his point. > > From what I can see, there is only one place in the core crypto code > where hash state is exported and imported, and that's in hash_accept(), > and that's always done with the same driver. The only other place is > in the marvell cesa driver itself when initialising the hmac state. > > Is there any reason a driver can't define its own structure to be > exported here which can be shared between each of the different methods > it supports? > > Thanks. > [1]http://lists.infradead.org/pipermail/linux-arm-kernel/2015-May/344120.html -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- 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
