Date: Fri, 07 Jun 1996 18:23:56 -0700 From: Poul-Henning Kamp <phk@freebsd.org> To: Steve Reid <root@edmweb.com> Cc: freebsd-security@freebsd.org Subject: Re: MD5 broken Message-ID: <1261.834197036@critter.tfs.com> In-Reply-To: Your message of "Fri, 07 Jun 1996 17:05:25 PDT." <Pine.BSF.3.91.960607162222.175E-100000@bitbucket.edmweb.com>
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In message <Pine.BSF.3.91.960607162222.175E-100000@bitbucket.edmweb.com>, Steve >Sorry if I'm digging up a dead topic, but is everyone here aware that MD5 >has been broken? > >About a month ago, Hans Dobbertin showed that he could generate MD5 >collisions in just 10 hours on a Pentium PC. Lets not get unduly worried here. He has not generated "MD5 collissions". He has generated "MD5 >pseudo< collisions". He is using a different initial buffer than the one used in MD5, and argues that he then has exposed a weakness in MD5. He may have. Could be. It's not that interesting. "Hey, if I substitute sugar for sand when I make a window it's much easier to break the glass." You think the insurrance people care ? Until somebody comes up with a way of solving A = MD5(X) for some given value of A then you don't need to worry to much. Poul-Henning -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Future will arrive by its own means, progress not so.
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