Eric Auer schrieb:
> Hi!
> 
>>>> BIOS doesn't destroy to much
>>> Enough to destroy whatever you wanted to hide by rebooting.
>> I see you haven't try it yourself yet...
>> Don't you know the video with the mona lisa?
>> http://citp.princeton.edu/memory/media/
> 
> If I wanted to protect my mona lisa, I would
> encrypt it and put the key in the first 640k
> where I can be sure the BIOS wipes them :-p

You can only encrypt the harddisk, not the RAM. When using FDE the RAM
is always unencrypted by design, no way.

If you encrypt something in RAM you can not see it. :)

Usually you have to hide more then just 1 MB.

It might be a good idea for vendors from encryption software like you
say to up the masterkey in RAM in an area where it will get overwritten
by BIOS... But there is still enough other interesting content in RAM,
not encrypted and not wiped.

> 
> Unless of course...
> 
> - somebody takes the chips out and has an adapter
>   where he can read them without any BIOS messing
> 
> - somebody forgets to disable FireWire, then I can
>   fetch the RAM contents without cooperation of the
>   operating system because all devices have DMA host
>   access ;-)
> 
> Eric
> 
> 
> 
> 
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