def cbc_enc_ref

bend-osdev-cipher-core@0.1.0.0 · PROOF.bend:262

import Base
import bend-osdev-cipher-core@0.1.0.0/cipher_core.bend as L
import bend-osdev-cipher-core@0.1.0.0/modes64.bend as X

262def cbc_enc_ref(~K: Data, ~enc: K -> L.LcBlock64 -> L.LcBlock64, +k: K, bs: List<&2, L.LcBlock64>, +iv: L.LcBlock64, +acc: List<&2, L.LcBlock64>) -> {X.m64.cbc.enc.go(~K, ~enc, k, bs, iv, acc) == X.m64.rev_onto(acc, X.m64.cbc.enc(~K, ~enc, k, bs, iv)) : List<&2, L.LcBlock64>}:
263  match bs:
264    case Nil{}:
265      {==}
266    case Con{+p, t}:
267      cbc_enc_ref(~K, ~enc, k, t, enc(k, L.LcBlock64.xor(iv, p)), Con{enc(k, L.LcBlock64.xor(iv, p)), acc})