Re: [PATCH] zero disk pages used by swsusp on resume

[Pavel Machek <pavel@ucw.cz>]

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.
> 
> You might want to leave the key in the kernel image. You need to boot the
> same image anyway. Leaving the key in the header will not increase
> security while the os is down.

I believe leaving it in the header will be easier, and it is more
easily wiped, there, too.

If suspend fails, and user boots with noresume and mkswaps, key in
header will get rewritten, too. Good.
									Pavel

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