On 6/2/20 9:25 PM, Chris Murphy wrote:
On Tue, Jun 2, 2020 at 8:33 PM John M. Harris Jr <johnmh@xxxxxxxxxxxxx> wrote:
On Sunday, May 31, 2020 11:45:40 AM MST Chris Murphy wrote:
On Sat, May 30, 2020 at 9:26 PM Tony Nelson
<tonynelson@xxxxxxxxxxxxxxxxx> wrote:
On 20-05-30 21:02:11, Chris Murphy wrote:
...
Full disk encryption doesn't adequately secure the hibernation image
either. Authenticated encryption (signing as well as encryption) is
needed to verify the image hasn't been tampered.
What can an attacker do other than corrupt the data? It is encrypted.
You don't know, and neither do I. That's the problem.
We do know. Nothing, really.
You do not know the attacker, when possession was lost, what the
attacker knows, or how long they have access to ciphertext. And that's
because the attack hasn't happened yet. Yet you assert omniscience.
Gotcha.
I don't understand this concern either. How is it different than any
encrypted filesystem? If you don't trust the encryption, then what's
the point? What's the difference between an encrypted filesystem and an
encrypted hibernation image that makes the image so insecure?
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