On Fri, Feb 18, 2011 at 04:54:57PM -0500, Ted Unangst wrote: > On Fri, Feb 18, 2011 at 3:35 PM, Joachim Schipper > <joac...@joachimschipper.nl> wrote: > > Actually, if one could specify an encryption password for the memory > > written to disk, a stolen hibernating system would be less dangerous > > than a running/ACPI-sleeping system because it's suddenly impossible to > > get interesting data from the system memory. Interesting data like the > > keys in ssh-agent or a softraid decryption key. > > Not really much difference between encrypting memory that's written to > disk and memory that's just left in memory.
Yes, but when hibernating you can be pretty sure that e.g. disk cache and video memory are actually empty. You do have a good point, but there are just more potential problems with ACPI sleep. Or am I babbling nonsense? I'll admit to not knowing much about ACPI... Joachim -- TFMotD: ec (4) - 3Com EtherLink II (3c503) Ethernet device http://www.joachimschipper.nl/