re: sync rijndael-alg-fst.c with OpenBSD

Taylor R Campbell writes:
>    Date: Sat, 1 Oct 2016 20:26:18 +0100
>    From: Alexander Nasonov <[email protected]>
> 
>    If the goal is switching cgd to opencrypto, this is where all
>    self-tests should be implemented.
> 
> That was a goal a long time ago.  It's not clear to me that opencrypto
> is the way to go, though -- opencrypto was designed for an era when
> hardware acceleration meant issuing asynchronous I/O requests over a
> PCI bus, not when hardware acceleration meant executing a CPU
> instruction.

the prior world is still around -- consider intel QAT.  i'm
expecting this to be pushed into the cpu core ic at some point,
but still accessed via pci.


.mrg.