From: David Meybohm <dmeybohmlkml@bellsouth•net>
To: "C. Scott Ananian" <cscott@cscott•net>
Cc: Andy Isaacson <adi@hexapodia•org>, omb@bluewin•ch, git@vger•kernel.org
Subject: Re: SHA1 hash safety
Date: Wed, 20 Apr 2005 14:56:53 -0400 [thread overview]
Message-ID: <20050420185653.GA3076@localhost> (raw)
In-Reply-To: <Pine.LNX.4.61.0504191848300.29929@cag.csail.mit.edu>
On Tue, Apr 19, 2005 at 06:48:57PM -0400, C. Scott Ananian wrote:
> On Tue, 19 Apr 2005, David Meybohm wrote:
>
> >But doesn't this require assuming the distribution of MD5 is uniform,
> >and don't the papers finding collisions in less show it's not? So, your
> >birthday-argument for calculating the probability wouldn't apply, because
> >it rests on the assumption MD5 is uniform, and it isn't.
>
> No, the collision papers don't show this at all.
I didn't mean they showed it directly. I meant by finding collisions in
MD5 quickly, MD5 would have to have some non-uniformity. But that's
nevertheless wrong because uniformness and collision finding ability
aren't related. Sorry to have wasted everyone's time.
Dave
next prev parent reply other threads:[~2005-04-20 18:52 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-16 12:24 SHA1 hash safety David Lang
2005-04-16 12:31 ` Ingo Molnar
2005-04-16 12:48 ` David Lang
2005-04-16 13:29 ` Brian O'Mahoney
2005-04-16 14:58 ` C. Scott Ananian
2005-04-16 15:11 ` Petr Baudis
2005-04-16 15:36 ` C. Scott Ananian
2005-04-16 22:56 ` David Lang
2005-04-16 23:11 ` Paul Jackson
2005-04-16 23:18 ` Martin Mares
2005-04-17 4:38 ` David A. Wheeler
2005-04-18 0:09 ` Theodore Ts'o
2005-04-16 15:49 ` ross
2005-04-17 6:35 ` Horst von Brand
2005-04-18 2:07 ` Brian O'Mahoney
2005-04-18 16:50 ` C. Scott Ananian
2005-04-16 19:16 ` Paul Jackson
2005-04-16 21:35 ` Brian O'Mahoney
2005-04-18 7:43 ` Andy Isaacson
2005-04-18 17:04 ` C. Scott Ananian
2005-04-19 22:30 ` David Meybohm
2005-04-19 22:48 ` C. Scott Ananian
2005-04-20 18:56 ` David Meybohm [this message]
2005-04-16 22:46 ` David Lang
2005-04-16 23:14 ` Paul Jackson
2005-04-16 22:33 ` David Lang
2005-04-17 3:23 ` Tkil
2005-04-17 4:09 ` Paul Jackson
2005-04-17 4:43 ` Tkil
2005-04-17 5:09 ` Paul Jackson
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