Laws.hchacha20.invalid: law of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/laws.bend as Laws
Lines 92-96 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/laws.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/laws.bend&start_line=92&end_line=96

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/chacha/chacha20.bend as I

law hchacha20.invalid:
  for +key: List<&2, U32>
  for +nonce: List<&2, U32>
  for +h: {Bool.and(Nat.is_eq(List.length(&2, U32, key), 32n), Nat.is_eq(List.length(&2, U32, nonce), 16n)) == False{} : Bool}
  {I.hchacha20(key, nonce) == None{} : Maybe<&2, List<&2, U32>>}

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  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=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  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/chacha/proof.bend&name=when_false
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/chacha/chacha20.bend&name=hchacha20
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/chacha/chacha20.bend&name=hchacha20_unchecked
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/chacha/chacha20.bend&name=valid