Tunnels accelerate MD5 collisions

Hi all,
according to my paper "Tunnels in Hash Functions: MD5
Collisions
Within a Minute" I programmed tunnels for searching
the second
block of MD5 collision message also. In the zero version of
the
program I used tunnels only in the first block to
demonstrate the
method.

It took 23 seconds, now it takes 1 second. Together with the
first
block (optimized from 60 s. to 30 s.) it generates a MD5
collision
per 31 seconds in average (slow notebook Acer, Pentium, 1.6
GHz).
The paper, source code and Windows exe is available on

http://cryptography.hyperlink.cz/MD5_collisions.html

regards,
Vlastimil Klima
http://cryptography
.hyperlink.cz/



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