[tor-talk] TIMB vs TextSecure
felix at tribut.de
Sat Mar 1 08:07:30 UTC 2014
Am 01.03.2014 08:23, schrieb Gordon Morehouse:
> With the news hitting some tech sites about TIMB, I went digging
> around briefly to find the reasoning for rolling something anew rather
> than backing e.g. TextSecure. (I know there are serious questions
> about the security of Telegram.)
> I'm sure there is a good reason, but what is it?
Using Tor gives you a few properties that no other instant messaging
solution can currently provide.
- The IM server can not learn your IP.
- A network observer can not learn that you are using IM (just that you
are using Tor).
- You cannot block the IM service without blocking Tor.
Furthermore, there are (in my opinion) still some serious problems with
TextSecure, most importantly:
- Only phone numbers as identifiers.
- Sends your address book to the server in full (hashed, but that
doesn't mean anything for phone numbers). No opt-out if you want to use
the push transport.
- Requires Google Play to be installed and uses GCM for notifications.
Though moxie has plans to address these problems, they currently exist.
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