> > It is very CPU-consuming
> > process. Up to 48% of the CPU power can be spent on encryption.
> 
> Really?

Maybe on archaic hardware.  The numbers we've seen are closer to 3%.
And of course, the marginal cost of additional CPU usage is zero unless
your CPU meter is pegged.  "Up to" can be very misleading.  Up to 100% 
of the information in this email might be wrong.  That doesn't mean it is.

Encryption is not a CPU intensive operation on modern machines.
I run our FDE product on my machines, and I often forget it's there.
The overhead is not noticeable.

-Tim



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