[dm-crypt] encrypted root: prevent / detect tampering with kernel / initrd

[Heinz Diehl]

On 30.12.2009, Arno Wagner wrote: 

> "total security" is a meaningless concept, unless you design and 
> manufacture all hardware components yourself, which in practce
> means it is a meaningless concept.

Yes, that was a bad choice of words, I realised it directly after sending
the mail to the list. 

s/total security/max possible security under given circumstances/;