def ad.sq.open.go

bend-osdev-aead@0.1.0.0 · seqiv.bend:66

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-crypto@0.1.0.0/crypto.bend as Cr

66def ad.sq.open.go(~KA: Data, ~open: KA -> B.Octets -> B.Octets -> B.Octets -> Result<&2, &2, Cr.CrError, B.Octets>, +k: AdSeqivKey<KA>, aad: B.Octets, +n: Nat, s: Maybe<&2, B.OctetsSplit>) -> Result<&2, &2, Cr.CrError, B.Octets>:
67  match s:
68    case None{}:
69      Fail{Cr.CrTooShort{n}}
70    case Some{B.OctetsSplit{+iv, c}}:
71      open(ad.sq.ka(~KA, k), iv, B.Octets.append(aad, iv), c)