From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Willy Tarreau <w@1wt.eu>
Subject: Re: NAK new drivers without proper power management?
Date: Mon, 12 Feb 2007 21:20:07 +0100
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Cc: Alan <alan@lxorguk.ukuu.org.uk>,
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On Monday, 12 February 2007 06:19, Willy Tarreau wrote:
> On Mon, Feb 12, 2007 at 12:26:52AM +0000, Alan wrote:
> > > Unless I'm mistaken, I have to type the passphrase twice then :
> > >   - once at suspend
> > >   - once at resume
> > > 
> > > which is once more per "boot" than what I'm doing on loop-aes.
> > 
> > You don't need to type in a key at suspend time if you don't want to.
> > Think about gpg email - I can send you an encrypted email without typing
> > any keys, you need the right key however to read it.
> 
> OK, so that means that it can generate a random secret which is crypted
> with your public key. That's very different from a crypted FS which has
> to keep the same secret key over time for obvious reasons, but it is
> smart to proceed this way.
> 
> One less "myth" as Nigel would say call it ;-)

Yup.  Our userland suspend tools available from http://suspend.sf.net are
capable of doing that in a more or less transparent way.

Greetings,
Rafael

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