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[liberationtech] Fwd: Firefox OS with built in support for OpenPGP encryption

Eugen Leitl eugen at leitl.org
Sat Sep 21 04:45:39 PDT 2013


On Sat, Sep 21, 2013 at 12:07:10PM +0100, Nick wrote:

> Sorry for coming late to the party. This is an interesting idea, 
> that I hadn't thought of before. I also like that it can allow one 

I'm glad that nobody sees a massive flaw in the scheme.

> to stop disclosing location data in a way that's impossible with 
> GSM, by turning off the separate portable GSM router ("MiFi"). Well, 

The MiFi also spans a local WLAN (a poor man's PAN), so by
switching it off (Huawei ones boot in ~5 s, so it's not
a major PITA) you're also depriving yourself of an (untrusted,
of course) LAN.

Many mobile networks operate with carrier grade NAT, so with
MiFi your WLAN devices are already behind two layers of NAT
or more. 

So far stock solution for VoIP has been SIP, but SIP is a terrible
protocol to tunnel through NAT. So far the only contender I'm
aware of is Jingle, anything else I'm missing?

> you can turn off GSM on many phones, but obviously there's plenty 
> more trust that the baseband can't be hacked, and that the phone is 
> behaving well, compared to the GSM router.


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