in case you can't tell, these web pages, are all from the 1990's!
if you are looking for more recent cryptographic information, click here:
An interesting example at the intersection of Matrix Mathematics and Cryptography
(and how Artificial Intelligence can write programs)
by Tony Patti, 20 July 2025 (Version 2.5, 186 page PDF)

Cryptosystems Journal Home Page

The Cryptosystems Journal web pages received a three-star review by Ziff-Davis Publisher's Internet Underground!!!

Copyright © 1996, 1997 Cryptosystems Journal.

Most recent update on 9-APR-97.