Authenticate and Track Users with PHP

Learn how authentication, cookies, and sessions can add security and a personal touch to your site.

Meloni, Julie. Webmonkey (2000). Design>Web Design>Server Side Includes>PHP

Encryption Tutorial

Dishes up the why and how of real-life data encryption, covering PGP and GnuPG, and using PHP and the mcrypt and mhash libraries.

Meloni, Julie. Webmonkey (2000). Design>Web Design>Security>PHP