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03-05-2009, 01:37 AM

#31

pepak

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Device: Sony Reader PRS-T3, Kobo Libra H2O

Quote:

Originally Posted by pilotbob

So, are you saying it is possible to modify an ebook file and come up with a way for the MD5 has to be exactly the same as the original?

It is possible to create a pair of files that have the same MD5 but differ in just a few bytes. I am not sure if you can start with just one file and find another with the same hash.

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

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