PROOF.tr.cbc_dec_go: def of bend-osdev-cipher-modes@0.1.0.0
Import: import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOF
Lines 1028-1033 of bend-osdev-cipher-modes@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&start_line=1028&end_line=1033

import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
import bend-osdev-cipher-modes@0.1.0.0/cbc.bend as C

def tr.cbc_dec_go(~K: Data, ~dec: K -> M.CmBlock -> M.CmBlock, +k: K, bs: List<&2, M.CmBlock>, +iv: M.CmBlock, +acc: List<&2, M.CmBlock>) -> {C.cbc.dec.go(~K, ~dec, k, bs, iv, acc) == M.cm.blocks.rev_onto(acc, C.cbc.dec(~K, ~dec, k, bs, iv)) : List<&2, M.CmBlock>}:
  match bs:
    case Nil{}:
      {==}
    case Con{+c, +t}:
      tr.cbc_dec_go(~K, ~dec, k, t, c, Con{M.CmBlock.xor(iv, dec(k, c)), acc})

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cbc.bend&name=cbc.dec
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cbc.bend&name=cbc.dec.go
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmBlock
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmBlock.xor
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=cm.blocks.rev_onto