law kbkdf_counter_stream_prefix

bend-osdev-crypto@0.1.0.0 · LAWS.bend:563

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

563law kbkdf_counter_stream_prefix:
564  for ~K: Data
565  for ~compute: K -> B.Octets -> B.Octets
566  for ~rlen: Nat
567  for +k: K
568  for +fixed: B.Octets
569  for +n: Nat
570  for +j: Nat
571  {B.Octets.take(n, Kb.CrKbkdf.counter_stream(~K, ~compute, ~rlen, k, fixed, Nat.add(n, j))) == Kb.CrKbkdf.counter_stream(~K, ~compute, ~rlen, k, fixed, n) : B.Octets}