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

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Message-ID: <00ed01c546a7$e067d0f0$021f10ac@bitchin>
Date: Thu, 21 Apr 2005 15:25:23 -0400
From: "Mike Fratto" <mfratto@....com>
To: "'Jim Knoble'" <jmknoble@...ox.com>, <bugtraq@...urityfocus.com>
Subject: RE: [HACKERS] Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords

> 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.