Use seed from time

src/passphrase.rs

@@ -45,15 +45,19 @@ mod test {
 
  let batches = std::thread::available_parallelism().unwrap();
  let words = words::list(Some("src/fixtures/test")).unwrap();
+ let seed = std::time::SystemTime::now()
+ .duration_since(std::time::UNIX_EPOCH)
+ .unwrap()
+ .as_secs();
 
  eprintln!("Available parallelism: {batches}");
  eprintln!("Number of samples: {N}");
+ eprintln!("Seed: {seed}");
 
  let histogram = (0..N)
  .collect::<Vec<_>>()
  .par_iter()
  .fold_chunks(N / batches, HashMap::new, |mut acc, i| {
- let seed = *i as u64;
  let mut rng = ChaCha8Rng::seed_from_u64(seed);
  rng.set_stream(*i as u64);
  let mut words = words.clone();