some ZFS questions

Scott Bennett bennett at sdf.org
Sun Aug 24 10:27:43 UTC 2014


kpneal at pobox.com wrote:
> What's the harm in encrypting all the data?

     High CPU overhead for both reading and writing is the main downside.
>
> In fact, encrypting all data is more secure. If you only encrypt the data

     Sure, but why do it if the data don't need to be secret?

> that is secret then you've just told an attacker exactly what data it is
> you want secret.
>
     Umm...I don't see that that necessarily follows, except in one case,
namely, when the attacker already knows what all of the data are.


                                  Scott Bennett, Comm. ASMELG, CFIAG
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