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Date:      Mon, 03 Dec 2007 20:25:38 -0800
From:      Colin Percival <cperciva@freebsd.org>
To:        Norberto Meijome <freebsd@meijome.net>
Cc:        freebsd-security@freebsd.org
Subject:   Re: MD5 Collisions...
Message-ID:  <4754D6C2.3030005@freebsd.org>
In-Reply-To: <20071203154412.461d0faf@meijome.net>
References:  <20071203154412.461d0faf@meijome.net>

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Norberto Meijome wrote:
> should some kind of advisory be sent to advise people not to rely solely on MD5 checksums? Maybe an update to the man page is due ? :
> 
> "     
> MD5 has not yet (2001-09-03) been broken, but sufficient attacks have
>      been made that its security is in some doubt.  The attacks on MD5 are in
>      the nature of finding ``collisions'' -- that is, multiple inputs which
>      hash to the same value; it is still unlikely for an attacker to be able
>      to determine the exact original input given a hash value.
> "

I fail to see how the man page is incorrect here.  What do you think it should
be saying instead?

Colin Percival
FreeBSD Security Officer




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