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Re: GuixSD on librem phone?

From: Leo Famulari
Subject: Re: GuixSD on librem phone?
Date: Thu, 6 Dec 2018 16:13:51 -0500
User-agent: Mutt/1.11.0 (2018-11-25)

On Thu, Dec 06, 2018 at 04:24:38PM +0100, Giovanni Biscuolo wrote:
> callular (baseband) merits a dedicated chapter, since it seems
> practically impossible *forever* to trust that chips... and that chips
> are an important attack vector (Purism will use USB bus to separate
> baseband from CPU)

I agree, the situation is depressing...

> this also means we will _never_ be able to trust communications via
> baseband (2G, 3G... 5G), fortunately this can be fixed using a trusted
> _separated_ SoC and the very good work coming from the vast and smart
> FLOSS community [2] :-)

... but we can trust communications over cellular baseband. Already, we
have built many trustable communication systems over untrusted mediums
like the internet. This is the role of things like TLS, the Signal
double-ratchet, and PGP.

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