om a
string as you can concoct, with numbers and uppercase and lowercase
letters. Your key should <strong>not</strong> be a simple text string. In order to be
cryptographically secure it needs to be as random as possible.</p>
<p>Your key can be either stored in your <strong>application/config/config.php</strong>, or
you can design your own storage mechanism and pass the key dynamically
when encoding/decoding.</p>
<p>To save your key to your <strong>application/config/config.php</strong>, open the file
and s