t data.</p>
<p>It goes without saying that you should guard your key carefully. Should
someone gain access to your key, the data will be easily decoded. If
your server is not totally under your control it’s impossible to ensure
key security so you may want to think carefully before using it for
anything that requires high security, like storing credit card numbers.</p>
<p>To take maximum advantage of the encryption algorithm, your key should
be 32 characters in length (256 bits). The key should be as rand