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From: Dario Teixeira <darioteixeira@yahoo.com>
To: caml-list@inria.fr, Alan Schmitt <alan.schmitt@polytechnique.org>
Subject: Re: [Caml-list] Computing with big numbers?
Date: Mon, 1 Dec 2008 05:47:22 -0800 (PST)	[thread overview]
Message-ID: <999499.25121.qm@web111514.mail.gq1.yahoo.com> (raw)
In-Reply-To: <1A5BFA46-376C-41BB-B357-8A7899C600C6@polytechnique.org>

Hi,

> In preparation for a talk I'm going to give, I wanted
> to estimate how good 128 bits MD5 hashes were: how many
> hashes must be taken before the probability for a collision
> become non negligible? (I'm assuming equi-probability of
> every hash.)

I reckon that by saying "how good 128 bits MD5 hashes were"
you are aware of the recent attacks that make MD5's effective
security less than 128-bit.  The Wikipedia has a good summary:
http://en.wikipedia.org/wiki/MD5

Cheers,
Dario Teixeira






  parent reply	other threads:[~2008-12-01 13:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-01 12:36 Alan Schmitt
2008-12-01 12:52 ` [Caml-list] " Martin Jambon
2008-12-01 14:29   ` Alan Schmitt
2008-12-01 13:47 ` Dario Teixeira [this message]
2008-12-01 14:37   ` Alan Schmitt
2008-12-04 16:06     ` Florian Hars
2008-12-04 16:40       ` David Thomas
2008-12-04 21:51       ` Martin Jambon
2008-12-05  7:07       ` Alan Schmitt

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