Re: Triple DES Standard?

1998-12-29 Thread M Taylor
On Mon, 28 Dec 1998, Rodney Thayer wrote: > Is there a "standard" for Triple DES, in 2-key or 3-key mode? ... > Is there an official (in any sense) "standard" for it? There are draft American National Standard (ANSI) X9.52 and X9.62 by the Accredited Standards Committee X9 for Financial Servic

Academic Attacks on SAFER+

1998-12-29 Thread John Kelsey
-BEGIN PGP SIGNED MESSAGE- [ To: AES SAFER+ Forum, sci.crypt, Perry's Crypto List ## Date: 12/29/98 ## Subject: Academic Attacks on SAFER+ ] I believe I have found two attacks on the SAFER+ version with 256-bit keys. While these attacks aren't practical, they demonstrate a weakness

Re: MD5

1998-12-29 Thread David Jablon
Andrew Maslar asked: >I'm toying around with various protocols for key exchange, and I wonder, >if an attacker intercepted the result of the following operation: >md5(x) + md5(x + y + z) >Could s/he compute y? [knowing x and z] At 10:57 PM 12/27/98 -0800, Bill Stewart wrote: >If y is a wimpy pass

Re: Needing references on FWZ-1 algorythm

1998-12-29 Thread bill . stewart
At 02:07 PM 12/28/98 -0800, Alan Olsen wrote: >I need general and/or specific information on the FWZ-1 algorythm. >This is used by the Firewall-1 VPN software. >I have been trying to find details beyond the marketing hype. >Wanting to know just how bad it is beyond "exportable protocol". Unless