[Discuss] Full disk encryption
Edward Ned Harvey
blu at nedharvey.com
Tue Jan 3 12:02:23 EST 2012
> From: discuss-bounces+blu=nedharvey.com at blu.org [mailto:discuss-
> bounces+blu=nedharvey.com at blu.org] On Behalf Of Jim Gasek
>
> there is a performance
> hit.
There may be a performance hit in some situations, but not on modern or
decent computers with decent encryption. I have two points to back this up:
I have a Core2 laptop running windows. I benchmarked it before enabling
bitlocker, and again after enabling bitlocker. I found the performance was
equal in both situations, but when bitlocker was enabled, I had 30-35%
increase cpu load. In later processors (i7 for example) they support the
AES instruction set, which reduces this by 1-2 orders of magnitude, which
means there is no significant performance difference.
> The more likely scenario will be that people
> in corporate situations will be forced to
> use it. And then you won't like it.
I deploy bitlocker and filevault to all my users, and they don't notice it
or care.
Except some - Some people demand it explicitly because they are concerned
about their data being stolen.
Nobody is opposed to it. Not a single person.
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