RE: I'll show you mine if you show me, er, mine

2005-03-15 Thread Charlie Kaufman
James A. Donald said: There seem to be a shitload of protocols, in addition to SPEKE and DH-EKE ... Can anyone suggest a well reviewed, unpatented, protocol that has the desired properties? Unpatented will be your biggest hurdle. I collaborated on the development of a strong password protocol

RE: I'll show you mine if you show me, er, mine

2005-03-05 Thread Whyte, William
either party to send the password itself at the end. William -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Wednesday, February 23, 2005 7:30 AM To: cryptography@metzdowd.com; [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Re: I'll show you mine if you

Re: I'll show you mine if you show me, er, mine

2005-03-03 Thread James A. Donald
-- On 24 Feb 2005 at 2:29, Peter Gutmann wrote: Isn't this a Crypto 101 mutual authentication mechanism (or at least a somewhat broken reinvention of such)? If the exchange to prove knowledge of the PW has already been performed, why does A need to send the PW to B in the last step? You

Re: I'll show you mine if you show me, er, mine

2005-03-03 Thread R.A. Hettinga
--- begin forwarded text To: [EMAIL PROTECTED] Subject: Re: I'll show you mine if you show me, er, mine Date: Wed, 23 Feb 2005 12:14:04 -0800 (PST) From: [EMAIL PROTECTED] (Hal Finney) Sender: [EMAIL PROTECTED] Markus Jakobsson is a really smart guy who's done some cool stuff, so I think

Re: I'll show you mine if you show me, er, mine

2005-03-03 Thread Arash Partow
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