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Date:      Wed, 22 Nov 2006 17:49:15 -0600
From:      "Jeff Hinrichs - DM&T" <jeffh@dundeemt.com>
To:        VeeJay <maanjee@gmail.com>,  "FreeBSD Questions" <freebsd-questions@freebsd.org>
Subject:   Re: Password Security
Message-ID:  <5aaed53f0611221549o4e73ac0er421c21b3cabc665e@mail.gmail.com>
In-Reply-To: <2cd0a0da0611220653g3bafe699l2ccb36da500e6089@mail.gmail.com>
References:  <2cd0a0da0611211941iae07787q3f433fb2c8ab1f22@mail.gmail.com> <20061121225903.fswba3d1uss8wgos@secure.rem1tech.com> <5aaed53f0611212245v2f194531q569ab17a9bac1d6e@mail.gmail.com> <2cd0a0da0611220549i1fe5d6dekc51e0aa0eda13ec2@mail.gmail.com> <5aaed53f0611220645n7b16fa53x81232f44d5197013@mail.gmail.com> <2cd0a0da0611220653g3bafe699l2ccb36da500e6089@mail.gmail.com>

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On 11/22/06, VeeJay <maanjee@gmail.com> wrote:
> Thanks Jeff...
>
> But does this encryption affects on Disk Speed or Performance for Data
> Access/Read/Write?
>
>
> On 11/22/06, Jeff Hinrichs - DM&T <jeffh@dundeemt.com> wrote:
> > Although I haven't used either, gbde and geli are possible methods.
> >
> >
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/disks-encrypting.html
> >
As I stated before, I haven't used either so I am in no way an
authoritative source, but in general anytime you do additional
processing in the data channel, some penalty is going to be incurred.
I am sure there are things that can be done to mitigate this penalty
to a degree (i.e. offloading encryption operations to an add-in card)
but only you can be the judge if the trade off is a good one.

-Jeff



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