[BitTorrent] Back to Merkle Hash Trees...
Konstantin 'Kosta' Welke
kosta at fillibach.de
Sat Feb 5 08:31:16 EST 2005
On Sat, 5 Feb 2005 00:47:53 +0100, Olaf van der Spek <OvdSpek at LIACS.NL> wrote:
>> who still doesnt understand where the big advantage over a list
>> of hashed blocks is, anyways
> Tiny .torrent size, smaller verification granularity, compatibility with
> other merkle tree hashes.
Is there some URL somewhere that describes the way Merkle hash
trees are supposed to be used in bt2? It seems that a lot of
people have very different ideas on how they are used exaclty.
Most importantly: Does a .torrent file contain the whole hash
tree or just the root hash? Maybe a part of the tree?
If the complete tree is in the .torrent, where is the advantage
over just a list of hashes?
If the partial tree is in the .torrent, is the idea that you
only need those parts of the tree that are necessary to download
what you want of a file (or directory tree) and leave those other
parts out of it?
just my ideas how this might work,
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