Reading the description from http://www.stealth-attacks.info/, it seems that Peter might be right. I think this is just a re-hash of already well established ideas.
In the case of a sending the password back to B, its a very similar scenario to scene III where Athena suggests to Euripides that the ticket life-time be once off (once use), Euripides goes "it would make using services on the network too difficult why not give it a time stamp for the duration of the person's work day" - a ticket generating ticket. The play goes on from there, in the end "Charon" which is then quickly renamed "Kerberos" is made. Then 1988 now 2005, I would say thats about 13 years... :) Name of play is "Designing An Authentication System: A Dialogue In Four Scence" by Bill Bryant Arash ________________________________________________________ Be one who knows what they don't know, Instead of being one who knows not what they don't know, Thinking they know everything about all things. http://www.partow.net --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]