On Wednesday 11 February 2009, David Shaw wrote: > On Wed, Feb 11, 2009 at 10:37:43PM +0100, Ingo Kl?cker wrote: > > On Wednesday 11 February 2009, David Shaw wrote: > > > On Wed, Feb 11, 2009 at 12:59:48PM +0100, Christoph Anton > > > Mitterer > > > > wrote: > > > > A good workaround is to use disk encryption (dm-crypt or > > > > similar things). > > > > > > Encrypted disks don't help without serious OS support around > > > suspend. > > > > Obviously. > > > > > Your machine suspends, and writes a snapshot of its memory to > > > disk. Sure, let's say it's even encrypted. When you wake the > > > machine, is the encrypted disk still mounted? > > > > Obviously not. > > > > Usually your messages are very helpful. Unfortunately, this > > particular message is the exact opposite. Googling for "encryption > > suspend to disk linux" I found many websites explaining how this > > works with most common distributions (mostly out-of-the box, i.e. > > without compiling a kernel). > > Clearly you missed the point.
I don't think so. :-) > I've seen various cookbook sites on > how to do this, and some of them get it dramatically wrong. Hence > the question: "When you wake the machine, is the encrypted disk still > mounted?" In this context your question makes sense. Without the context it sounded like a rhetorical question to me. > If the answer is "Yes", then you're not protecting very much. You > did not succeed in doing what you were trying to do. If the answer > is "No", you at least avoided the usual pitfalls. I missed this last sentence in the message I replied to. Regards, Ingo
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