VPN's pass a huge amount of data. A lot of that data is repetitive and
predictable. 

Given these two factors and sheer volume of data given, it may be
possible to extrapolate the keys from crypto. 

Any thoughts on this?

Salman

-----Original Message-----
From: Jay D. Dyson [mailto:[EMAIL PROTECTED]] 
Sent: Saturday, December 29, 2001 5:09 PM
To: Security-Basics List
Subject: RE: Has 3des been broken

8X--------snip---

2.      In World War II, the Allies had a hoot at cracking changes in
the
        Nazi Enigma whenever Hitler had a birthday.  Hitler's minions
were
        more than happy to send der Fuhrer birthday greetings in both
        encrypted and plain text.

8X--------snip---



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