On Mon, Nov 7, 2016 at 7:26 PM, Eric Biggers <ebiggers@xxxxxxxxxx> wrote: > > I was not referring to any users in particular, only what users could do. As an > example, if you did crypto_shash_update() with 32, 15, then 17 bytes, and the > underlying algorithm is poly1305-generic, the last block would end up > misaligned. This doesn't appear possible with your pseudocode because it only > passes in multiples of the block size until the very end. However I don't see > it claimed anywhere that shash API users have to do that. Actually it appears that crypto/poly1305_generic.c already buffers incoming blocks to a buffer that definitely looks aligned, to prevent this condition! I'll submit a v2 with only the inner unaligned operations changed. -- 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
