def tr.cbc_e2

bend-osdev-cbc@0.1.0.0 · PROOF.bend:245

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-mode-core@0.1.0.0/mode_core.bend as M
import bend-osdev-cbc@0.1.0.0/cbc.bend as C

245def tr.cbc_e2(~K: Data, ~enc: K -> M.CmBlock -> M.CmBlock, +k: K, +v: M.CmBlock, s: M.CmSplit, +n: Nat) -> {C.cbc.e2(~K, ~enc, k, v, s, n) == C.cbc.e2.fast(~K, ~enc, k, v, s, n) : Result<&2, &2, M.CmError, B.Octets>}:
246  match s:
247    case M.CmSplit{+bs, tail}:
248      match tail:
249        case Nil{}:
250          %tr.cbc_enc_eq(~K, ~enc, k, bs, v) : {Done{B.Octets.of_list(M.cm.join_onto(C.cbc.enc(~K, ~enc, k, bs, v), Nil{}))} == Done{B.Octets.of_list(M.cm.join_onto.fast(_, Nil{}))} : Result<&2, &2, M.CmError, B.Octets>}
251          %tr.join_eq(C.cbc.enc(~K, ~enc, k, bs, v), Nil{}) : {Done{B.Octets.of_list(M.cm.join_onto(C.cbc.enc(~K, ~enc, k, bs, v), Nil{}))} == Done{B.Octets.of_list(_)} : Result<&2, &2, M.CmError, B.Octets>}
252          {==}
253        case Con{h, t}:
254          {==}