def sp.ilt
import bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend as Serpentimport Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
234def sp.ilt(s: M.CmBlock) -> M.CmBlock:
235 sp.ilt1(sp.ilt2(sp.lt3(sp.lt4(sp.ilt5(sp.lt6(sp.lt7(sp.ilt8(s))))))))