You do not need the CPU, just its serial number (or the MAC address of the network card) - and you can easily write that on a piece of paper and put it in a secure location - or store this information in your office on an encrypted disk.

---

From: rhelv5-list-bounces@redhat.com [mailto:rhelv5-list-bounces@redhat.com] On Behalf Of Ahmed Kamal

Sent: Saturday, January 19, 2008 2:06 PM

To: Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list
Subject: Re: [rhelv5-list] Protect my stolen disk

hmm, yep this could be a problem, if the CPU got burnt for example!

On Jan 19, 2008 2:26 PM, John Summerfield <debian@herakles.homelinux.org > wrote:

Ahmed Kamal wrote:
> Seems like I could use dm-crypt to do full disk encryption, with some
> hardware parameter (MAC, CPU s/n ... ) as the decryption key. That would
> prevent someone from mounting the disk, or even dd'ing it to a different
> machine. That's about exactly what I need.
> Not sure if dm-crypt supports getting decryption keys from hardware params
> though ...
>

Be sure you can read the disk should you need.

--

Cheers
John

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