[Bug 139057] Re: Should try given password for next partition

[Luke]

Question: Does unsetting the PASS variable actually reset the bits in
ram to zero-or do they stay set to the values the variable stored there
until power is removed?

If unsetting the variable doesn't reset RAM bits to zero, I would
suggest forcing them to an alternate value or to zero by resetting PASS
to zer or a random number before unsetting it at the ehnd of the script.

For most applications it should be fine, I'm just wondering if an
"expert" or NSA-grade attacker exploit this in some way in a power-on
capture or online attack. I had a machine stolen by enemies who stormed
my house-thankfully encrypted and shut off, so I think in these terms.

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Should try given password for next partition
https://bugs.launchpad.net/bugs/139057
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