retawq Documentation
Patent Issues

On this page, I try to collect some information about patents and especially expired patents, mostly regarding TLS. This information might be wrong; any corrections and additions are highly appreciated!

The RSA patent expired in 2000.

The Diffie-Hellman (DH) patent expired in 1997.


This documentation file is part of version 0.2.6b of retawq, a network client created by Arne Thomaßen. retawq is basically released under certain versions of the GNU General Public License and WITHOUT ANY WARRANTY. Copyright (C) 2001-2005 Arne Thomaßen.