bugtraq - Re: MD5 To Be Considered Harmful Someday

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Date: Wed, 8 Dec 2004 18:23:32 -0500
From: Adam Shostack <adam@...eport.org>
To: Paul Wouters <paul@...net.nl>
Cc: Gandalf The White <gandalf@...ital.net>, davids@...master.com,
	Dan Kaminsky <dan@...para.com>, BugTraq <bugtraq@...urityfocus.com>
Subject: Re: MD5 To Be Considered Harmful Someday

On Wed, Dec 08, 2004 at 09:48:00PM +0100, Paul Wouters wrote:
| On Tue, 7 Dec 2004, Gandalf The White wrote:
| 
| >What I am worried about is the integrity of MD5 hashed passwords.  This
| 
| >It does not matter that I don't know the correct password, I have a 
| >password
| >that collides into the correct hash.  I can log into the system with my
| >generated password.
| 
| Can't we just truncate the password to 8 characters like in the old days
| before doing the MD5 hash? It will greatly reduce the chance of a collision.
| In fact, I am not even sure my systems don't do this already.

Just what I want!  8 character passwords on *your* systems.  ;)

Adam