def ecb_rt.blowfish

bend-osdev-crypto@0.1.0.0 · PROOF.bend:1336

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/blowfish.bend as Bf
import bend-osdev-legacy-ciphers@0.1.0.0/LAWS.bend as LL
import bend-osdev-crypto@0.1.0.0/modes.bend as Md

1336def ecb_rt.blowfish(+k: Bf.LcBlowfishKey, bs: List<&2, L.LcBlock64>) -> {bs == Md.cr.ecb(~Bf.LcBlowfishKey, ~L.LcBlock64, ~Bf.LcBlowfish.decrypt, k, Md.cr.ecb(~Bf.LcBlowfishKey, ~L.LcBlock64, ~Bf.LcBlowfish.encrypt, k, bs)) : List<&2, L.LcBlock64>}:
1337  match bs:
1338    case Nil{}:
1339      {==}
1340    case Con{b, t}:
1341      %Equal.sym(L.LcBlock64, Bf.LcBlowfish.decrypt(k, Bf.LcBlowfish.encrypt(k, b)), b, LL.blowfish_round_trip(k, b)) : {Con{b, t} == Con{_, Md.cr.ecb(~Bf.LcBlowfishKey, ~L.LcBlock64, ~Bf.LcBlowfish.decrypt, k, Md.cr.ecb(~Bf.LcBlowfishKey, ~L.LcBlock64, ~Bf.LcBlowfish.encrypt, k, t))} : List<&2, L.LcBlock64>}
1342      %ecb_rt.blowfish(k, t) : {Con{b, t} == Con{b, _} : List<&2, L.LcBlock64>}
1343      {==}