Re: [gentoo-user] (OT) Freezing: does encryption become useless?

[Volker Hemmann]

On Samstag 23 Februar 2008, Liviu Andronic wrote:
> http://iht.com/articles/2008/02/22/technology/chip.php

don't panic. Just because something works in a lab, does not mean that it 
works outside of it too. So they were able to freeze some ram and get some 
information of it. So what? First of all - how man times will someone be able 
to steal a computer and freeze its ram seconds after it was shut of? Who 
guarantees that the decayed parts are not the ones holding the key? even a 
couple of flipped bits make the data useless. And who guarantees that the 
dram survives the forces when it is cooled down in tens of seconds and heated 
up (through the current) afterwards?

With a logic analyzer you can steal keys from the cpu cache by measuring the 
time used for certain instructions. Oh no! And with the right tools you can 
crack the chips on EC-cards.

It is a completly theoretical attack.
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