full-disclosure - Re: pgp passphrase

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From: macecil at comcast.net (Michael Cecil)
Subject: Re: pgp passphrase 

At 03:21 PM 3/22/2004, Valdis.Kletnieks@...edu said:
 >On Mon, 22 Mar 2004 14:58:23 +0100, Nico Golde <nion@....net>  said:
 >
 >> ^^^^^^^^^^^^^^^^ password
 >
 >> ^^^^^^^^^^^^^ password
 >
 >> > Can you spot both passphrases?
 >>
 >> i think i am right.
 >
 >Right.  You've proven that a *human* looking at the datastream can probably
 >guess the passphrases.  The challenge was to write software that can do a
 >passable
 >job of it. Hmm.. that's almost an inverse of the Turing Test... ;)

Why would it need to guess?  It could simply try every logged string ending 
in a crlf.  I doubt that overhead would even be noticeable to the victim.

-- 
Michael Cecil
macecil@...cast.net
http://home.comcast.net/~macecil/howto/
http://home.comcast.net/~antiviruscd/