data security

[Yuval Hager]

This whole encryption thread reminded me of a recent xkcd:

http://xkcd.com/538/

:-)

--y

On Wednesday 04 February 2009, Moish wrote:
> Shachar Shemesh wrote:
> > Orr Dunkelman wrote:
> >> The question is whether your swap partition is encrypted or not.
> >>
> >> In case it is not - you are probably writing too many secrets to the
> >> hard disk.
> >>
> >> If it is - well, then I can understand why the machine is slow.
> >
> > It is encrypted, but swap is hardly used on my machine.
> >
> > And I didn't say my machine was slow. I said that having my entire home
> > dir encrypted made compilations slow.
> >
> >> Besides that, knowing about speeds of encryption and hard drives, it
> >> seems that if you use good ciphers, there should be no real
> >> performance lose  (I know that there is such, but I never figured out
> >> why).
> >
> > Maybe because both compilation and encryption are CPU bound?
> >
> > Shachar
>
> If you are really into that, work with VM and encrypt/decrypt the
> directory containing its files. ( Just an example, YMMV )
> VM is pretty fast by now, even on desktop machines.
>
> Moish
>
>
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-- 
Yuval Hager
[T] +972-77-341-4155
[@] yuval at avramzon.net
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