[BitTorrent] SHA-0 Broken, MD5 Rumored Broken

Martin Nilsson yahoo at mani.user.lysator.liu.se
Thu Aug 19 19:44:28 EDT 2004

Elliott Mitchell wrote:
> I'd tend towards adding a "hashtype" field in torrent files so hashes of
> the same size can be distinguished; might be interesting to allow
> multiple hash types in the same torrent file.

The only impact for BitTorrent is the possibility for malicious seeding 
of incorrect pieces with correct hash, in a remote future. By that time 
we will already have hash trees (and perhaps deprecated them), so the 
issue could, and probably should, wait until then.

/Martin Nilsson

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