[SATLUG] encryption

Bruce Dubbs bruce.dubbs at gmail.com
Mon Jul 23 14:42:32 CDT 2012


Borries Demeler wrote:
> Due to loss of private health information through laptop thefts the UT
> system has mandated that all laptops and portable devices be encrypted,
> or have them be surplussed.
>
> I have a few questions concerning those of us who use Linux on their
> laptops:
>
> 1. is there a noticable performance penalty (esp. on slower laptops)
> when encrypting the entire disk, incl. the operating system?
>
> 2. would it make sense to only encrypt the /home partition?
>
> 3. What Linux software can you recommend to encrypt a disk or partition?
> any pros/cons?
>
> 4. Any experience with self-encrypting laptop drives?

Some things to consider:

http://www.makeuseof.com/tag/4-reasons-encrypt-linux-partitions/

http://www.howtoforge.com/how-to-encrypt-directories-partitions-with-ecryptfs-on-debian-squeeze

I'd probably just encrypt the critical directories.  That would minimize 
performance issues.

   -- Bruce



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