<ul>
      <li><a href="#Context-Management-Functions">Context Management Functions</a></li>
      <li><a href="#Encryption-Decryption-Functions">Encryption/Decryption Functions</a></li>
      <li><a href="#Mac-Parameters">Mac Parameters</a></li>
    </ul>
  </li>
  <li><a href="#NOTES">NOTES</a></li>
  <li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
  <li><a href="#SEE-ALSO">SEE ALSO</a></li>
  <li><a href="#HISTORY">HISTORY</a></li>
  <li><a href="#COPYRIGHT">COPYRIGHT</a></li>
</ul>

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