Zeev - 2bs will be the best person to fill you in on the Intertrust patents. <A HREF="http://www.wavxtek.org/Link1.html" target="_new">http://www.wavxtek.org/Link1.html</A> The most interesting Wave patents IMHO are 6092202 - "Method and system for secure transactions in a computer system" and 6138239 - "Method and system for authenticating and utilizing secure resources in a computer system" <A HREF="http://cryptome.org/palladium-amd.htm" target="_new">http://cryptome.org/palladium-amd.htm</A>