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Offline markjo

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Is it time to tell your CPU to STFU?
« on: December 19, 2013, 02:52:43 PM »
It seems that it's possible to extract certain RSA keys by listening to the sounds that your CPU makes.
http://www.cs.tau.ac.il/~tromer/acoustic/
Abandon hope all ye who press enter here.

Science is what happens when preconception meets verification.

If you can't demonstrate it, then you shouldn't believe it.

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Offline Rushy

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Re: Is it time to tell your CPU to STFU?
« Reply #1 on: December 29, 2013, 05:47:07 PM »
By placing a parabolic microphone inches from it while it creates the key. The NSA probably already has a chip backdoor anyway, so this is hardly thought provoking.

Offline Blanko

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Re: Is it time to tell your CPU to STFU?
« Reply #2 on: December 29, 2013, 05:51:31 PM »
By placing a parabolic microphone inches from it while it creates the key. The NSA probably already has a chip backdoor anyway, so this is hardly thought provoking.

Speaking of which... http://www.spiegel.de/international/world/catalog-reveals-nsa-has-back-doors-for-numerous-devices-a-940994.html

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Offline Lord Dave

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Re: Is it time to tell your CPU to STFU?
« Reply #3 on: December 29, 2013, 07:34:30 PM »
By placing a parabolic microphone inches from it while it creates the key. The NSA probably already has a chip backdoor anyway, so this is hardly thought provoking.

Speaking of which... http://www.spiegel.de/international/world/catalog-reveals-nsa-has-back-doors-for-numerous-devices-a-940994.html

6 months before its hacked.

As for OP:
Meh.  With the right equipment, keyboard key strokes can be digitally detected from like 30m away.

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Offline Rushy

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Re: Is it time to tell your CPU to STFU?
« Reply #4 on: December 29, 2013, 08:38:18 PM »
Meh.  With the right equipment, keyboard key strokes can be digitally detected from like 30m away.

This is why secure IT facilities do not have windows and have carpet on the walls.