e result, so passwords hashed with
     different algorithms can co-exist.
    </p></li><li class="listitem"><p>
     Some of them are adaptive — that means when computers get
     faster, you can tune the algorithm to be slower, without
     introducing incompatibility with existing passwords.
    </p></li></ol></div><p>
   <a class="xref" href="pgcrypto.html#PGCRYPTO-CRYPT-ALGORITHMS" title="Table F.18. Supported Algorithms for crypt()">Table F.18</a> lists the algorithms
   supported by the <code cl