bugtraq - Re: [HACKERS] Postgres: pg_hba.conf, md5, pg

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Date: Thu, 21 Apr 2005 16:50:47 -0400
From: Stephen Frost <sfrost@...wman.net>
To: Mike Fratto <mfratto@....com>
Cc: "'Jim Knoble'" <jmknoble@...ox.com>, bugtraq@...urityfocus.com
Subject: Re: [HACKERS] Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords

* Mike Fratto (mfratto@....com) wrote:
> > I thought the idea of the salt was to aid in expanding the 
> > keyspace. Even though the salt is known (in traditional Unix 
> > passwd/shadow/master.passwd databases, 
> 
> I am pretty sure the intent the salt is to make pre-computation of a
> dictionaries infeasable due to storage requirements. It doesn't really add
> to the keyspace because the salt is known and doesn't have to be guessed.

The salt isn't always known...  I don't know how an unprivledged user on
a system w/ /etc/shadow could get at it anyway.  I'm sure alot of people
would be very anxious to know if you know of a way to do that...

	Stephen

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