[Replicant] [Patch V3] freedom-privacy-security-issues: Add information about TrustZone

[Paul Kocialkowski]

Hi,

Le lundi 18 décembre 2017 à 23:51 +0100, Denis 'GNUtoo' Carikli a
écrit :
> On Sat, 16 Dec 2017 15:58:27 +0100
> Paul Kocialkowski <contact at paulk.fr> wrote:
> 
> > Actually, on second thought, I think we should clearly call the
> > "code
> > that is separate from the operating system" the "privileged
> > execution
> > environment", which is not specific to a particular platform.
> 
> If we assume that the reader already know what a "privileged execution
> environment" is, then that reader probably already knows about
> TrustZone, and probably already has a vague idea about why it's
> problematic.
> 
> My goal here is to try to make the text understandable by less
> technical readers.

Well, this is exactly the point here: to explain the concept. I don't
think focusing on a single implementation helps in that. It's clear that
TrustZone and SMI have pretty much the same side-effects, so I think
it's better to present the general concept as privileged execution
environments instead of only naming one example.

-- 
Paul Kocialkowski, developer of free digital technology and hardware
support

Website: https://www.paulk.fr/
Coding blog: https://code.paulk.fr/
Git repositories: https://git.paulk.fr/ https://git.code.paulk.fr/
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