<slide title="Decrypting Data">
<example fontsize="1.5em"><![CDATA[<?php
$alg = MCRYPT_BLOWFISH;
$mode = MCRYPT_MODE_CBC;
$id = intval($_REQUEST['id']);
$r = mysql_query("SELECT iv, ciphertext FROM secrets WHERE id = $id");
$ar = mysql_fetch_assoc($r);
    
$plaintext = mcrypt_decrypt($alg, $_REQUEST['key'], $ar['ciphertext'], $mode, $ar['iv']);
?>]]></example>
<image filename="potato.jpg" align="center"/>
</slide>


