ng applications or other
   security-sensitive applications, the deterministic collision
   patterns can be exploited by a malicious user to create a
   denial-of-service attack: the attacker sends input crafted to
   create many collisions in the table, slowing the application down.
</p><p>

   A hash table that is created with <code class="code">~random:<span class="keyword">true</span></code> uses the seeded
   hash function <a href="Hashtbl.html#VALseeded_hash"><code class="code"><span class="constructo