def seal_ok

bend-osdev-aead@0.1.0.0 · PROOF.bend:327

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
import bend-osdev-aead@0.1.0.0/aegis128.bend as G

327def seal_ok(+kk: G.AdAegisKey, +n: B.Octets, +a: B.Octets, +p: B.Octets, e: {Nat.is_eq(B.Octets.len(n), 16n) == True{} : Bool}) -> {Done{G.ad.ae.seal.go(kk, n, a, p)} == G.AdAegis128.seal(kk, n, a, p) : Result<&2, &2, Cr.CrError, B.Octets>}:
328  %Equal.sym(Bool, Nat.is_eq(B.Octets.len(n), 16n), True{}, e) : {Done{G.ad.ae.seal.go(kk, n, a, p)} == Result.map(&2, &2, Cr.CrError, Unit, B.Octets, u => G.ad.ae.seal.go(kk, n, a, p), Cr.CrError.check(_, Cr.CrBadNonceLength{B.Octets.len(n)})) : Result<&2, &2, Cr.CrError, B.Octets>}
329  {==}