Re: [Tails-dev] Fixing Torrent files for 4.9

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Author: emma peel
Date:  
To: The Tails public development discussion list
Subject: Re: [Tails-dev] Fixing Torrent files for 4.9
Cyril Brulebois:
> I'm not sure which part(s) might need some signing, but anything related
> to signatures is flashing red alarms here, since it could invalidate
> some reproducibility properties (our release process highlights that
> once a given point is reached, the GPG hardware token must be stowed
> away and never touched back). And I'm also not sure whether publishing
> the new Torrent files with similar names but different contents could be
> an issue (I'm no Torrent/DHT master).


I am not a master (no logs, no masters!) but:

In my experience you can

- download a torrent to a location
- stop it (without deleting the contents)
- start another torrent with the same file names

That will resume your files, **if they are the same file**.
It will at least work for skipping the images download, although the people currently
seeding will not be able to seed the whole iso until they download it, and you need to
stop-cancel the first torrent without deleting its contents before downloading the second.
I think this may be a problem for automated systems like the one we suggest for the Tails mirrors

I have tried adding the files to my torrent download folder with scp, but when rehashing i could not convince the app they were the correct file.