Issue with Encrypting

Hi, what do you mean impossible? It's in the guide, you gotta turn it into a string with bin2hex and store it in your code like this: $key = hex2bin(<your hex-encoded key>);

https://codeigniter.com/user_guide/libra...or-results

You can see things I made with codeigniter here: itart.pro its not overly impressive as I have very little time to learn.