On 12/12/2007 12:15 PM, "Ansgar -59cobalt- Wiechers"
<email@hidden> wrote:
>>> I don't see how you'd be able to guarantee that without on-the-fly
>>> encryption. Simple example: if files are cached outside the FileVault
>>> something like a power outage may lead to data leakage.
>>
>> Something like a power outage may lead to a hard drive crash too.
>
> Glad we were able to clear that up. Not that it had anything at all to
> do with the topic.
>
Well, if you're going to search for edge cases, that's a valid one.
>> There's no "guarantee" with FV. I have yet to see Apple claim that FV
>> is perfect in that manner.
>
> You missed the point. Without on-the-fly encryption data might leak out of
> a FileVault due to a power outage (or someone pulling the plug or
> whatever). The possible data leak would make it more than just a
> "physical 'don't let people play in your login' issue". On-the-fly
> encryption, however, takes care of this issue.
How is it going to be an issue if they don't have access to your machine?
>
>> If you're going to insist that FV cover every possible edge case, then
>> you may as well not use it until you get whole-disk encryption on the
>> boot volume for your Mac, because all someone has to do is save
>> somewhere other than their home directory, and FV is useless.
>
> I'm not insisting on anything. I'm explaining the benefit that justifies
> on-the-fly encryption despite its performance impact.
Do you expect FV to encrypt ALL data transfers, regardless of location?
Because otherwise, you have problems in various temp directories that exist
outside of the home directory. How do you deal with /tmp and others?
--
John C. Welch Writer/Analyst
Bynkii.com Mac and other opinions
email@hidden
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