[bittorrent] The size of XML (was: DTD for hashed files)

Justin Cormack justin at street-vision.com
Tue Apr 12 18:15:02 EDT 2005


On Tue, 2005-04-12 at 20:21 +0000, larytet.8708132 at bloglines.com wrote:
> --- Olaf van der Spek <olafvdspek at gmail.com wrote:
> > "two torrents with the
> same contents are supposed to result in the
> > > same info hash"
> > > 
> >
> > i do not see what i need hash of the torrent file for ? i
> > > do not need
> to distinguish torrent files by their hashes, do i ? it's enough
> > > to parse
> the torrent file and find out what the hash of the data is.
> > 
> > The hash
> is used to identify the torrent to the tracker.
> > 
> 
> I think that i succesfully
> got rid of trackers - i  do not need key to look in the database. 
> 
> this
> is how my "torrent" file looks like for 500K archive
> 
> <rodiHash>
>  <folder
> name="rodi">
>    <file name="C:\temp\rodi\rodi_0.3.04.zip" modified="6:29
> PM 4/9/2005" size="566944" blockSize="4194304" blocksNumber="1" md5="56675f2303d5087e80f3aea757a37d45">
> 
>       <blocks type="md5">
>         <block index="0">56675f2303d5087e80f3aea757a37d45</block>
> 
>       </blocks>
>    </file>
>  </folder>
> </rodiHash>
> 
> What is really nice
> about it, that you can send this thing using email or chat or any message
> board or mailing list, you can event write it down on paper and send by regular
> mail.

Yes, "really nice" is fine. How do you know that it hasnt been modified
maliciously or accidentally by someone on the chat or email or message
board? Thats what the issue is.






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