def sp.ilt2
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
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
216def sp.ilt2(s: M.CmBlock) -> M.CmBlock:
217 match s:
218 case M.CmBlock{x0, x1, x2, x3}:
219 M.CmBlock{x0, x1, L.lc.rotl29.bits(x2), x3}