law last0_correct

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/blake/blake2b/blocks.bend:1822

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake2b/types.bend as T
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake2b/blake2b.bend as I
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend as S

1822law last0_correct:
1823  for +remain: Nat
1824  for +index: U32
1825  for +t: T.Counter
1826  for +h: T.Chain
1827  for pair: Array<U32> & U32
1828  {I.last0(remain,index,t,h,pair) == Pair.snd(Array<U32>,T.Chain,S.gather(31n,index,1,True{},remain,t,h,[],pair)) : T.Chain}