[Community] Community Digest, Vol 27, Issue 6

David Heath dheath.pr at gmail.com
Wed Aug 20 13:14:08 CEST 2014


Programming a widget to one-click disable all unnecessary drivers would be
more effective than that adapter because the adapter can simply be
bypassed-- if you're going to watch your phone to make sure nobody bypasses
the adapter, you would notice them hacking your phone anyway. I don't think
this feature is a good use of time at this point since we already have so
many nice features on the horizon but as an idealist I do sort of like the
idea. The adapter they are selling apparently provides active power
correction as well; what sort of current/surge is our charging circuit
rated for? Off topic, how long is the projected battery life?
On Aug 20, 2014 6:00 AM, <community-request at openphoenux.org> wrote:

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> Today's Topics:
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>    1. Protecting USB data pins (Ryan de Laplante (personal))
>    2. Re: Protecting USB data pins (Dr. H. Nikolaus Schaller)
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>
> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 20 Aug 2014 02:38:53 -0400
> From: "Ryan de Laplante (personal)" <ryan at ryandelaplante.ca>
> To: OpenPhoenux Community <community at openphoenux.org>
> Subject: [Community] Protecting USB data pins
> Message-ID: <53F4427D.4080008 at ryandelaplante.ca>
> Content-Type: text/plain; charset=ISO-8859-1
>
> There is a product called LockedUSB (http://www.lockedusb.com) that
> protects your devices from attack when using untrusted charger devices
> while traveling. It disables the data pins in a way that still allows
> for rapid charging.
>
> I think it would be neat if the Neo900 (or a future version of it) had
> this type of functionality built in. It could be always on by default,
> and temporarily toggled off with software when you need to use the data
> lines.
>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 20 Aug 2014 09:24:37 +0200
> From: "Dr. H. Nikolaus Schaller" <hns at goldelico.com>
> To: OpenPhoenux Community <community at openphoenux.org>
> Subject: Re: [Community] Protecting USB data pins
> Message-ID: <3F46D8E4-39C9-4262-B8A9-FAD6BDEFD711 at goldelico.com>
> Content-Type: text/plain; charset=us-ascii
>
>
> Am 20.08.2014 um 08:38 schrieb Ryan de Laplante (personal):
>
> > There is a product called LockedUSB (http://www.lockedusb.com) that
> > protects your devices from attack when using untrusted charger devices
> > while traveling. It disables the data pins in a way that still allows
> > for rapid charging.
> >
> > I think it would be neat if the Neo900 (or a future version of it) had
> > this type of functionality built in. It could be always on by default,
> > and temporarily toggled off with software when you need to use the data
> > lines.
>
> Nice idea.
>
> But my first thought: I always take along my own charger while travelling.
> And just in case, I could buy and use a LockedUSB if I really think I need
> it.
> If I am travelling I already have some adapters with me.
>
> Next: since it is open hard&software, you can disable the OTG port drivers
> by not initializing the TPS65950 in u-boot and/or the kernel. Or add more
> protection to the software. Or add a driver that checks which data is
> coming
> in from a charger...
>
> IMHO the main problem that is solved with the LockedUSB is with mobile
> devices where you have no control over the bugs of the USB stack and
> therefore have to expect that some untrusted charger can do harmful
> things to your device and data. And you have no chance to protect your
> device otherwise.
>
> So why should additional hardware be integrated in every unit?
>
> BR,
> Nikolaus
>
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> End of Community Digest, Vol 27, Issue 6
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