[tor-dev] Store Salmon-related information in Tor Browser?

Philipp Winter phw at nymity.ch
Thu Aug 20 18:30:09 UTC 2020

(Sending this email again because I failed to copy tor-dev at .)

On Mon, Aug 17, 2020 at 12:16:08PM -0700, Philipp Winter wrote:
> Hi Matt,
> We recently started experimenting with the Salmon social bridge
> distributor:
> https://gitlab.torproject.org/tpo/anti-censorship/bridgedb/-/issues/31873
> We are now exploring the possibility of storing some Salmon-related data
> on a user's computer and are wondering what our options are.  The data
> we're talking about is a lightweight, signed, and encrypted blurb that
> contains a user's social graph, proxies, and registration ID.
> One option to store this data is Tor's data directory but that doesn't
> seem ideal because Salmon isn't a PT and technically has nothing to do
> with Tor.  Is Tor Browser an option here?  Or does the "disk avoidance"
> design goal mean that we don't get to store anything at all?  A last
> resort option would be to simply hand the blurb to the user and ask them
> to store it somewhere but we would like to find a more usable way to
> handle this.
> Thanks,
> Philipp

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