Re: -nice tree [was Re: [Swsusp-devel] Re: swsusp problems [was Re: Your opinion on the merge?]]

[Micha Feigin]

On Sat, Mar 27, 2004 at 03:37:48AM +0000, Luke-Jr wrote:
> On Saturday 27 March 2004 02:08 am, Nigel Cunningham wrote:
> > On Sat, 2004-03-27 at 10:22, Pavel Machek wrote:
> > > You are right, that would be ugly. How is encryption supposed to work,
> > > kernel asks you to type in a key?
> >
> > I haven't thought about the specifics there. Perhaps the plugin prompts
> > for one, or perhaps it takes a lilo parameter? 
> The only purpose I can think of for encryption would be so someone can't grab 
> the HD and boot it on another PC or read the image directly.
> Unless I'm missing something, that would imply that the key would need to be 
> generated from a hardware profile (only creatable by root) somehow to 
> restrict its readability to that one system.
> 

Actually it would be very unlikely that grabbing the hard disk would
enable to boot on another machine since you are restoring all the
context/modules etc. The grabber would need an identical system, and
even then I doubt it would work (I don't know how flexible linux and
the hardware are in this respect.

Its more a question of grabbing you entire computer and getting access
to you hard disk, including encrypted partitions. In this case you
would want to request a key from the user and not use a hardware
related key.

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