law authenc_round_trip_if

bend-osdev-aead@0.1.0.0 · LAWS.bend:61

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/authenc.bend as Au

61law authenc_round_trip_if:
62  for ~KE: Data
63  for ~KM: Data
64  for ~enc: KE -> B.Octets -> B.Octets -> Result<&2, &2, Cr.CrError, B.Octets>
65  for ~dec: KE -> B.Octets -> B.Octets -> Result<&2, &2, Cr.CrError, B.Octets>
66  for ~mac: KM -> B.Octets -> B.Octets
67  for ~input: B.Octets -> B.Octets -> B.Octets -> B.Octets
68  for ~tlen: Nat
69  for +ke: KE
70  for +km: KM
71  for +iv: B.Octets
72  for +aad: B.Octets
73  for +p: B.Octets
74  for h: {Result.bind(&2, &2, Cr.CrError, B.Octets, B.Octets, enc(ke, iv, p), c => dec(ke, iv, c)) == Result.map(&2, &2, Cr.CrError, B.Octets, B.Octets, c => p, enc(ke, iv, p)) : Result<&2, &2, Cr.CrError, B.Octets>}
75  {Result.bind(&2, &2, Cr.CrError, B.Octets, B.Octets, Au.AdAuthenc.seal(~KE, ~KM, ~enc, ~mac, ~input, ~tlen, Au.AdAuthencKey{ke, km}, iv, aad, p), c => Au.AdAuthenc.open(~KE, ~KM, ~dec, ~mac, ~input, ~tlen, Au.AdAuthencKey{ke, km}, iv, aad, c)) == Result.map(&2, &2, Cr.CrError, B.Octets, B.Octets, c => p, Au.AdAuthenc.seal(~KE, ~KM, ~enc, ~mac, ~input, ~tlen, Au.AdAuthencKey{ke, km}, iv, aad, p)) : Result<&2, &2, Cr.CrError, B.Octets>}