Laws.Okm.length: law of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/laws.bend as Laws
Lines 71-76 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/laws.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/laws.bend&start_line=71&end_line=76

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/hkdf.bend as Spec

# The specification's OKM (any length): L bytes, and prefixes of each other.
law Okm.length:
  for +prk: List<&2, U32>
  for +info: List<&2, U32>
  for +len: Nat
  {List.length(&2, U32, Spec.okm(prk, info, len)) == len : Nat}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/okm.bend&name=okm_length
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/hkdf.bend&name=okm