Thanks to Vincent Rijmen and all who provided their papers and presentations.
Most of them are there:
http://events.iaik.tugraz.at/HashWorkshop07/program.html
Vlastimil Klima
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Od: [EMAIL PROTECTED]
Komu: cryptography@metzdowd.com
Předmět: proceedings from ECRYPT Hash
The workshop was very interesting. Will the presentations or papers be
avalilable on the web soon?
http://events.iaik.tugraz.at/HashWorkshop07/program.html
Vlastimil Klima
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Hope that the new concept will be discussed.
Best regards,
Vlastimil Klima
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pt will
be discussed.
Vlastimil Klima, http://cryptography.hyperlink.cz/
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> * [EMAIL PROTECTED] wrote:
>
> > Of course, it is a trick. Yesterday I updated my paper
> > "Tunnels in
> > Hash Functions: MD5 Collisions Within a Minute"
> > (http://eprint.iacr.org/2006/105.pdf) and MD5 collision
> > program
> > (http://cryptography.hyperlink.cz/2006/web_version_1.zip).
>
>
and
then generate a collision.
Note that the number of files could be arbitrary and there are more
clever scenarios. The program serves only as a toy example how to
get arround the necessity of creating the second preimage.
Vlastimil Klima
o controll them also. New
differential schemes (paths) could be proposed, new ways of
controlling the interior variables of MD5 could be discovered. It
could lead to the second preimage attacks and maybe further.
Vlastimil Klima
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Od: "Victor Duchovni" <
I agree with Steven´s "I'd rather avoid HMAC-MD5, just as a matter
of future-proofing". And more.
In am nearly sure that a preimage attack (MD5) will be found in the
next two or three years.
Vlastimil Klima
http:/cryptography.hyperlink.cz
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Od: &quo
l
regards,
Vlastimil Klima
http://cryptography.hyperlink.cz/
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Congratulations to Marc Stevens, who described a method for fast
collision attack on MD5!
Just now (! it is a collision !) I have finished the translation of
my paper Vlastimil Klima: "Tunnels in Hash Functions: MD5 Collisions
Within a Minute".
It is based on a new method, tunneling
Wang et al. published their Crypto 2005 papers on SHA-0 and SHA-1
collisions. Maybe you find it interesting
http://www.infosec.sdu.edu.cn/people/wangxiaoyun.htm
Vlastimil Klima
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I would like to announce my work
Vlastimil Klima: "Finding MD5 Collisions - a Toy For a Notebook",
March 5, 2005,
http://cryptography.hyperlink.cz/md5/MD5_collisions.pdf
Vlastimil
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