def ecb_rt_des

bend-osdev-legacy-ciphers@0.1.0.0 · PROOF.bend:8625

import Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
import bend-osdev-legacy-ciphers@0.1.0.0/des.bend as D
import bend-osdev-legacy-ciphers@0.1.0.0/modes64.bend as X

8625def ecb_rt_des(+k: D.LcDesKey, bs: List<&2, L.LcBlock64>) -> {bs == X.m64.ecb(~D.LcDesKey, ~D.LcDes.decrypt, k, X.m64.ecb(~D.LcDesKey, ~D.LcDes.encrypt, k, bs)) : List<&2, L.LcBlock64>}:
8626  match bs:
8627    case Nil{}:
8628      {==}
8629    case Con{+b, +t}:
8630      %des_rt(k, b) : {Con{b, t} == Con{_, X.m64.ecb(~D.LcDesKey, ~D.LcDes.decrypt, k, X.m64.ecb(~D.LcDesKey, ~D.LcDes.encrypt, k, t))} : List<&2, L.LcBlock64>}
8631      %ecb_rt_des(k, t) : {Con{b, t} == Con{b, _} : List<&2, L.LcBlock64>}
8632      {==}