def cbc_enc_tr

bend-osdev-crypto@0.1.0.0 · PROOF.bend:293

import Base
import bend-osdev-crypto@0.1.0.0/modes.bend as Md

293def cbc_enc_tr(~K: Data, ~Blk: Data, ~enc: K -> Blk -> Blk, ~bxor: Blk -> Blk -> Blk, +k: K, bs: List<&2, Blk>, +iv: Blk, +acc: List<&2, Blk>) -> {Md.cr.cbc.enc.go(~K, ~Blk, ~enc, ~bxor, k, bs, iv, acc) == Md.cr.blks.rev_onto(~Blk, acc, Md.cr.cbc.enc(~K, ~Blk, ~enc, ~bxor, k, bs, iv)) : List<&2, Blk>}:
294  match bs:
295    case Nil{}:
296      {==}
297    case Con{+p, t}:
298      cbc_enc_tr(~K, ~Blk, ~enc, ~bxor, k, t, enc(k, bxor(p, iv)), Con{enc(k, bxor(p, iv)), acc})