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 *
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 *
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 *    echo $aes->decrypt($aes->encrypt($plaintext));
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 *    echo $aes->decrypt($aes->encrypt($plaintext));
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 * ?>
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 * ?>
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 * </code>
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 * </code>
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 *
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 *
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 * @category  Crypt
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 * @package   AES
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 * @author    Jim Wigginton <terrafrost@php.net>
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 * @author    Jim Wigginton <terrafrost@php.net>
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 * @copyright 2008 Jim Wigginton
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 * @copyright 2008 Jim Wigginton
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 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
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 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
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 * @link      http://phpseclib.sourceforge.net
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 * @link      http://phpseclib.sourceforge.net
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 */
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 */
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namespace phpseclib3\Crypt;
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namespace phpseclib3\Crypt;
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/**
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/**
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 * Pure-PHP implementation of AES.
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 * Pure-PHP implementation of AES.
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 *
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 *
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 * @package AES
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 * @author  Jim Wigginton <terrafrost@php.net>
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 * @author  Jim Wigginton <terrafrost@php.net>
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 * @access  public
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 */
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 */
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class AES extends Rijndael
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class AES extends Rijndael
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{
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{
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    /**
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    /**
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     * Dummy function
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     * Dummy function
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     *
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     *
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     * Since \phpseclib3\Crypt\AES extends \phpseclib3\Crypt\Rijndael, this function is, technically, available, but it doesn't do anything.
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     * Since \phpseclib3\Crypt\AES extends \phpseclib3\Crypt\Rijndael, this function is, technically, available, but it doesn't do anything.
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     *
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     *
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     * @see \phpseclib3\Crypt\Rijndael::setBlockLength()
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     * @see \phpseclib3\Crypt\Rijndael::setBlockLength()
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     * @access public
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     * @param int $length
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     * @param int $length
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     * @throws \BadMethodCallException anytime it's called
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     * @throws \BadMethodCallException anytime it's called
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     */
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     */
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    public function setBlockLength($length)
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    public function setBlockLength($length)
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    {
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    {
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     * Sets the key length
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     * Sets the key length
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     *
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     *
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     * Valid key lengths are 128, 192, and 256.  Set the link to bool(false) to disable a fixed key length
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     * Valid key lengths are 128, 192, and 256.  Set the link to bool(false) to disable a fixed key length
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     *
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     *
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     * @see \phpseclib3\Crypt\Rijndael:setKeyLength()
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     * @see \phpseclib3\Crypt\Rijndael:setKeyLength()
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     * @access public
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     * @param int $length
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     * @param int $length
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     * @throws \LengthException if the key length isn't supported
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     * @throws \LengthException if the key length isn't supported
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     */
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     */
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    public function setKeyLength($length)
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    public function setKeyLength($length)
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    {
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    {
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     *
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     *
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     * Rijndael supports five different key lengths, AES only supports three.
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     * Rijndael supports five different key lengths, AES only supports three.
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     *
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     *
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     * @see \phpseclib3\Crypt\Rijndael:setKey()
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     * @see \phpseclib3\Crypt\Rijndael:setKey()
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     * @see setKeyLength()
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     * @see setKeyLength()
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     * @access public
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     * @param string $key
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     * @param string $key
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     * @throws \LengthException if the key length isn't supported
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     * @throws \LengthException if the key length isn't supported
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     */
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     */
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    public function setKey($key)
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    public function setKey($key)
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    {
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    {