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Re: [Gnu-arch-users] Re: MD5 is broken
From: |
Andrew Suffield |
Subject: |
Re: [Gnu-arch-users] Re: MD5 is broken |
Date: |
Wed, 16 Mar 2005 19:21:02 +0000 |
User-agent: |
Mutt/1.5.6+20040907i |
On Wed, Mar 16, 2005 at 11:07:27AM -0800, Tom Lord wrote:
> You argue that while one function will certainly be broken,
> it is unlikely that two functions will be broken at the same
> time.
>
> But logically speaking, the combination of two hash functions
> is a single hash function. It is just as "a priori" likely
> that the combination will be broken.
You can't restate temporal logic in classical predicate logic that way
and come up with a correct conclusion. It is very unlikely that the
combination will be broken *simultaneously*, and a non-simultaneous
break is not a vulerability.
--
.''`. ** Debian GNU/Linux ** | Andrew Suffield
: :' : http://www.debian.org/ |
`. `' |
`- -><- |
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- [Gnu-arch-users] Re: MD5 is broken, (continued)
- [Gnu-arch-users] Re: MD5 is broken, Matthieu Moy, 2005/03/22
- Re: [Gnu-arch-users] Re: MD5 is broken, Adrian Irving-Beer, 2005/03/22
- Re: [Gnu-arch-users] Re: MD5 is broken, Nikolai Weibull, 2005/03/22
- [Gnu-arch-users] Re: MD5 is broken, Ivan Boldyrev, 2005/03/23
- [Gnu-arch-users] Re: MD5 is broken, Ivan Boldyrev, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Aaron Bentley, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Karel Gardas, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Tom Lord, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Andrew Suffield, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Tom Lord, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken,
Andrew Suffield <=
- Re: [Gnu-arch-users] Re: MD5 is broken, Tom Lord, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Adrian Irving-Beer, 2005/03/21
- Re: [Gnu-arch-users] Re: MD5 is broken, Bruce Stephens, 2005/03/21
- Re: [Gnu-arch-users] Re: MD5 is broken, Aaron Bentley, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Andrew Suffield, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Karel Gardas, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Andrew Suffield, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Karel Gardas, 2005/03/16
- [Gnu-arch-users] Re: MD5 is broken, Andreas Rottmann, 2005/03/16
- Re: [Gnu-arch-users] Re: MD5 is broken, Karel Gardas, 2005/03/16