md5 and large files

Tobias Pfeiffer me at privacy.net
Tue Oct 19 19:56:52 CEST 2004


Hi!

On 18 Okt 2004, Martin v. Löwis wrote:

> You may well search the space of
> all possible files (in all file lengths), and never find a single
> file that hashes the same as your original file.

Are you sure about that? I have no clue about what the md5 algorithm 
works like, but I'd think one could prove that with an number large 
enough, every hash occurs twice. At last, md5 is not random.

Bye
Tobias

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