[cap-talk] Cold Boot Attacks on Encryption Keys

Valerio Bellizzomi devbox at selnet.org
Fri Feb 22 18:27:44 EST 2008


On 22/02/2008, at 13.47, Ivan Krstić wrote:

>This encoded message has been converted to an attachment.
>
>On Feb 22, 2008, at 11:31 AM, Karp, Alan H wrote:
> All bets are off if
>the memory chips are moved to a machine made by  
> a competitor :)

One
>of the main contributions of this attack is to demonstrate that an 
>
off-the-shelf can of improvised coolant ("air duster") is sufficient  
to
>extend the data remanence effects for so long that it presents no 
>
practical problem to unplug the RAM and move it to a different 
>
computer. Possible solutions include using a laptop like the MacBook 
>
Air whose DRAM chips are soldered to the motherboard, or DIYing it by 
>
covering your laptop's memory in epoxy.


This blocks heat dissipation. Expect your RAM to live short.


val





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