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From: Heinz Diehl <htd@fancy-poultry.org>
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Subject: Re: [dm-crypt] How to recover partially overwritten LUKS volume?
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On 25.08.2012, Andr=E1s Korn wrote:=20

> Would it make sense to try a luksFormat with the same passphrase? I
> suppose not, because a random key is likely involved...?

The passphrase is used to unlock the master key, which is _not_
derived from the passphrase. So it makes no sense at all, but will
destroy your header.