This is a good point. They claim this is to support tiny devices but that would have to be a really tiny device for trimming 64 bits off a key to matter. The 12

This is a good point. They claim this is to support tiny devices but that would have to be a really tiny device for trimming 64 bits off a key to matter. The 128-bit and 256-bit key versions of Speck are probably fine, but...