PROOF.tr.cbc_d2: 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 1090-1099 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=1090&end_line=1099

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
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_d2(~K: Data, ~dec: K -> M.CmBlock -> M.CmBlock, +k: K, +v: M.CmBlock, s: M.CmSplit, +n: Nat) -> {C.cbc.d2(~K, ~dec, k, v, s, n) == C.cbc.d2.fast(~K, ~dec, k, v, s, n) : Result<&2, &2, M.CmError, B.Octets>}:
  match s:
    case M.CmSplit{+bs, tail}:
      match tail:
        case Nil{}:
          %tr.cbc_dec_eq(~K, ~dec, k, bs, v) : {Done{B.Octets.of_list(M.cm.join_onto(C.cbc.dec(~K, ~dec, k, bs, v), Nil{}))} == Done{B.Octets.of_list(M.cm.join_onto.fast(_, Nil{}))} : Result<&2, &2, M.CmError, B.Octets>}
          %tr.join_eq(C.cbc.dec(~K, ~dec, k, bs, v), Nil{}) : {Done{B.Octets.of_list(M.cm.join_onto(C.cbc.dec(~K, ~dec, k, bs, v), Nil{}))} == Done{B.Octets.of_list(_)} : Result<&2, &2, M.CmError, B.Octets>}
          {==}
        case Con{h, t}:
          {==}

Uses (15):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.of_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&name=tr.cbc_dec_eq
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&name=tr.join_eq
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cbc.bend&name=cbc.d2
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cbc.bend&name=cbc.d2.fast
  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/cipher_modes.bend&name=CmBlock
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmError
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmSplit
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=cm.join_onto
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=cm.join_onto.fast