def LcDes.decrypt
import bend-osdev-legacy-ciphers@0.1.0.0/des.bend as Desimport Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
355def LcDes.decrypt(k: LcDesKey, b: L.LcBlock64) -> L.LcBlock64:
356 match k:
357 case LcDesKey{ks}:
358 des.fp(des.unrounds(ks, des.swap(des.ip(b))))