[dm-crypt] nuke password to delete luks header

Ondrej Kozina okozina at redhat.com
Thu Jan 16 10:50:22 CET 2014

On 01/15/2014 09:27 PM, Milan Broz wrote:
> On 01/14/2014 05:30 AM, Arno Wagner wrote:
>> I think that in your scenario, "nuke" does not have any real
>> advantages over just not having the passphrase, and that one
>> is dangerous.
> Well, this idea is not new and I responded very similar months ago.
> http://code.google.com/p/cryptsetup/issues/detail?id=110#c1
> But seems there is a lot of people in disagreement.
> I was quite surprised that most of people from
> our university security&crypto lab I met today and asked
> (to have some other opinions) said that despite "nuke password"
> has very limited use it is worth to have something like that...
> Sigh... :)

In that case, let me join you with my humble Sigh as well.

> But what I really want to avoid is that every distribution will
> add some random patches implementing something like this.
> It is perhaps better to implement and document this upstream.

Ok, I just think that this new feature is quite heavily disputed 
already. This is perhaps third discussion I found on that topic in a few 
minutes of searching. Please, make "nuke password" option configurable 
so that it can be easily removed from any distribution that wouldn't 
agree with arguments for including it.

Best regards

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