></div></div><p>
   The functions <code class="function">crypt()</code> and <code class="function">gen_salt()</code>
   are specifically designed for hashing passwords.
   <code class="function">crypt()</code> does the hashing and <code class="function">gen_salt()</code>
   prepares algorithm parameters for it.
  </p><p>
   The algorithms in <code class="function">crypt()</code> differ from the usual
   MD5 or SHA1 hashing algorithms in the following respects:
  </p><div class="orderedlist"><ol class="order