Re: Encrypted Swap

Ben Ford (ben@kalifornia.com)
Tue, 07 Aug 2001 01:39:14 -0700


Sean Hunter wrote:

>You don't. Swap is only good for one power-cycle anyway, regardless of
>encryption. As such, the legitimate user won't ever need to regenerate the
>key. Since black hat can't root, they can't get the key (assuming physical
>security is OK), and after reboot they can't recover the contents of the swap
>space because it is encrypted. So even if they nick the machine/drive/whatever
>they can't get the swap contents after the power has been cycled and the key
>lost.
>

Until someone figures out how to dump the key to disk.

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