In this particular context, the physical access is the access you need
to shine a light on the device with enough energy to flip bits in
memory - that is, very close, on the order of centimeters. Note that
the attack also assumes that you can position the light source and
device at will.
As for the police example you use below, the answer is no in each case.
On Sunday, May 18, 2003, at 07:43 PM, Nick May wrote:
>
> keitai-l@appelsiini.net writes:
>> The attack does posit physical access to the device.
>
> I am bit confused by exactly how the term "physical access" is being
> used....
>
> If I am being chased by the police and they use a device to interfere
> with
> my car's engine management system, does that constitute "physical
> access"?
>
> If it is from 1metre away...
>
> If it is from 300 metres away...
>
> If it is from 3000 metres away...
>
>
> Nick
>
>
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Received on Mon May 19 19:28:48 2003