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Date: Fri, 8 Aug 2014 12:46:02 -0700
From: Greg KH <>
To: Eddie Chapman <>
Subject: Re: BadUSB discussion

On Fri, Aug 08, 2014 at 06:40:50PM +0100, Eddie Chapman wrote:
> Yes, immensely. It's clear to me now that being able to re-programme a USB
> device firmware is not quite as easy and straightforward as is being made
> out to be in certain quarters.

On the contrary, it's trivial to do on a whole bunch of USB devices as
that is how they were _designed_ to work.  So much so that there is a
whole USB spec on exactly how to do this in a way that will work across
all different operating systems:
I don't remember when the 1.0 version of this spec was published, I
think around 1995 or so.

So I really don't see how this ability is anything "shocking" to anyone.

> That's not to say that the research being discussed hasn't thrown up
> some very interesting issues around hardware and trust.

Never trust hardware.  Until you have to.  :)

greg k-h

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