def aria.fo
import bend-osdev-legacy-ciphers@0.1.0.0/aria.bend as Ariaimport Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
4513def aria.fo(+d: M.CmBlock, +rk: M.CmBlock) -> M.CmBlock:
4514 aria.to_block(aria.diffuse(aria.sl1(aria.of_block(M.CmBlock.xor(d, rk)))))