I wrote pieces that made it into an introduction to CGI programming, as well as the chapter on writing CGI programs in the Perl programming language. I have some errata online. An essay I wrote in October 1997 about the importance of platform-independent software, to information system managers, end users, and, of course, developers. Available locally , as well as from Sun's Java Home Page. PreText Magazine, November 1997 issue.
Cryptography is hard.
But it's a useful tool for everyone. The CPA's Guide to Information Security Published by Kent Information Services. I authored a chapter on network security , and provided material for and did a technical review of a chapter on cryptography. Lots of stuff living in usenet archives. Also be sure to look here , here , here , and here .