ning data encrypted with the session key.
    </p></li></ul></div><p>
   When encrypting with a symmetric key (i.e., a password):
  </p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>
     The given password is hashed using a String2Key (S2K) algorithm.  This is
     rather similar to <code class="function">crypt()</code> algorithms — purposefully
     slow and with random salt — but it produces a full-length binary
     key.
    </p></li><li class="listitem"><p>
     