PROOF.ccmp.len_ctrb: 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 1765-1771 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=1765&end_line=1771

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/ccm.bend as CC

def ccmp.len_ctrb(~K: Data, ~enc: K -> M.CmBlock -> M.CmBlock, +k: K, bs: List<&2, M.CmBlock>, +a0: M.CmBlock, +i: U32) -> {List.length(&2, M.CmBlock, CC.ccm.ctrb(~K, ~enc, k, bs, a0, i)) == List.length(&2, M.CmBlock, bs) : Nat}:
  match bs:
    case Nil{}:
      {==}
    case Con{+b, +rest}:
      %ccmp.len_ctrb(~K, ~enc, k, rest, a0, U32.add(i, 1)) : {1n+List.length(&2, M.CmBlock, CC.ccm.ctrb(~K, ~enc, k, rest, a0, U32.add(i, 1))) == 1n+_ : Nat}
      {==}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/ccm.bend&name=ccm.ctrb
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmBlock