Stream.keystream_correct: law of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/stream.bend as Stream
Lines 127-132 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/stream.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/stream.bend&start_line=127&end_line=132

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

law keystream_correct:
  for +r: Nat
  for +kb: List<&2, U32>
  for +c: U32
  for +nb: List<&2, U32>
  {I.keystream(r, I.key(kb), c, I.nonce(nb)) == R.block_rounds(r, kb, c, nb) : List<&2, U32>}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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/chacha/stream.bend&name=body_correct
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/chacha.bend&name=block_rounds
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/chacha/chacha20.bend&name=key
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/chacha/chacha20.bend&name=keystream
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/chacha/chacha20.bend&name=nonce