Bug#479394: encrypted partitioning: better document what user input may be needed

[Frans Pop <elendil@planet.nl>]

On Sunday 04 May 2008, Frans Pop wrote:
> > No. Here is a table to clear up any misunderstandings:
> >
> > Method     |  Type          | Key generation
> > ------------------------------------------------------
> > dm-crypt   |  passphrase    | persistent key from /dev/urandom, wrapped
> >            |                | with passphrase
> > dm-crypt   |  random        | volatile key from /dev/random

This uses /dev/urandom now (as of partman-crypto 31), so will no longer need 
additional entropy.

> > loop-AES   |  keyfile       | persistent key from /dev/random,
> >                               wrapped with GnuPG
> > loop-AES   |  random        | volatile key from /dev/urandom