off topic: volatile USB stick available

[ubuntu at howorth.org.uk]

atann at alphasrv.net wrote:
> Hi all,
> 
> does anyone happen to know about a USB drive or similar that has a 
> volatile memory?
> 
> Scenario:
> I want to place a LUKS key on that stick. The stick is connected to a 
> USB port with permanent power.
> 
> Then the server could be rebooted or powered down/wake on LAN, and
> still be able to automatically open the LUKS partition.
> 
> But once the machine looses power, the USB drive would forget all
> data, and the partition cannot be mounted automatically anymore on
> boot.
> 
> That's kind of a security measure.
> 
> 
> Any ideas about such a stick? Or about other ways to achieve the
> above?

Why do you need the stick? Just store the key in the computer's RAM and
it will have the same effect, no? You could use a file in a tmpfs.
 
> -- 
> Andre Tann