bugtraq - Re: MD5 To Be Considered Harmful Someday

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Date: Wed, 8 Dec 2004 21:48:00 +0100 (MET)
From: Paul Wouters <paul@...net.nl>
To: Gandalf The White <gandalf@...ital.net>
Cc: davids@...master.com, Dan Kaminsky <dan@...para.com>,
	BugTraq <bugtraq@...urityfocus.com>
Subject: Re: MD5 To Be Considered Harmful Someday

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.

Paul