random questions

John Watlington wad at laptop.org
Tue Aug 21 01:23:07 EDT 2007

On Aug 19, 2007, at 4:21 AM, NoiseEHC wrote:

>> "Care was also taken to avoid hysteresis attacks: it is not possible
>> to enable capture from the microphone or camera for such a short time
>> that the LEDs do not noticeably light."
>>  -- page 9, http://cups.cs.cmu.edu/soups/2007/proceedings/ 
>> p132_krstic.pdf
> You are cool!!! :)
> Okay, just asked whether you have been thinking about that. Seems that
> you did not miss that.

Yeah, I threw out a whole approach for the light circuit cause it  
might have been
vulnerable to this (assuming Ivan's mighty software defenses were  
The fun part was avoiding any flickering as that entire chunk of  
circuitry is powered
on and off during suspend and resume.

And yes, there is only one screwdriver (a #1 phillips) required for  
all the screws on
the laptop.   I do find a small flathead useful in a couple of places.


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