only</strong>
means to decrypt it, so not only must you chose one carefully, but you
must not lose it or you will also lose access to the data.</p>
<p>It must be noted that to ensure maximum security, such key <em>should</em> not
only be as strong as possible, but also often changed. Such behavior
however is rarely practical or possible to implement, and that is why
CodeIgniter gives you the ability to configure a single key that is to be
used (almost) every time.</p>
<p>It goes without saying that you shou