Incremental.state256: law of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/incremental.bend as Incremental
Lines 240-244 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/incremental.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/incremental.bend&start_line=240&end_line=244

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/hash.bend as H

law state256:
  for +cs: List<&2, List<&2, U32>>
  for +st: H.Sha256State
  for +len: Nat
  {H.fold(cs, H.Sha256H{st, len}) == H.Sha256H{fold256(cs, 48n, st), Nat.add(len, List.length(&2, U32, List.concat(&2, U32, cs)))} : H.Hasher}

Uses (15):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.concat
  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=Nat.add
  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/hash/incremental.bend&name=fold256
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/lists.bend&name=add_length
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/lists.bend&name=add_zero
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/hash.bend&name=Hasher
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/hash.bend&name=Sha256State
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/hash.bend&name=fold
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/hash.bend&name=step256