message: made half_rounds public
diff: @@ -40,7 +40,7 @@ pub fn full_round<F: Field, SC: SpongeConstants>(
  }
  }
  -fn half_rounds<F: Field, SC: SpongeConstants>(
  +pub fn half_rounds<F: Field, SC: SpongeConstants>(
  params: &ArithmeticSpongeParams<F>,
  state: &mut Vec<F>,
  ) {
  