Pavel Machek wrote:
> Hi!
>
>
>>>Hi! What about doing it right? Encrypt it with symmetric cypher
>>>and store key in suspend header. That way key is removed automagically
>>>while fixing signatures. No need to clear anythink.
>>
>>Good idea. I'll have a look though it will take a while (busy with my job).
>>
>>
>>>OTOH we may want to dm-crypt whole swap partition.
>>
>>This would leave the problem that the in-kernel data would be accessible
>>on the swap device after resume.
>
>
> I meant "when dm-crypt is used, encrypting swsusp data with second key
> is no longer _that_ nice"...
Hmm, thinking of a future swsusp2 with initrd capabilites encrption of
the suspend image itself is still useful to prevent data gathering after
resume. Using dm-crypt for encryption of the swap partition in this case
is useful during resume so this fits nicely together.
BTW: I spent my day on implementing the encryption of the suspend image
and will send patches after a few more tests.
--
Andreas Steinmetz SPAMmers use [email protected]
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