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Network Security Pen-Test
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Re: Oracle hash-list?

Subject: Re: Oracle hash-list?
Date: Mon, 21 Mar 2005 11:19:52 -0500
Steven DeFord wrote:
Isn't using the username as useful as a salt? Better, even, perhaps,
since usernames are longer than your typical few-character salt? Salts just slow down precompiled dictionary attacks, yes? I suppose
it would be less useful for the few default accounts, but not for all
the other users.

While this is true, a conflicting salt for users on two different systems would be a problem, since they will have the same password hash. A compromised username/password combination on one system could extend to another system since there is no unique salt.


-Josh
--
-Joshua Wright
jwright@hasborg.com
http://home.jwu.edu/jwright/

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