Thought I'd ask this one on list for reference.
So in 4.17 upstream added the SPECK cipher  but for reference the
ISO has rejected it (and SIMON) due to being designed by the NSA ,
not sure it specifically matters for Fedora but I thought I'd put the
question out there if there's any thoughts or opinions on it.
I believe from a Linux perspective it's currently primarily used on
low end android phones that don't have HW crypto offload so it might
not even be widely used in Fedora.