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Re: Is partial LUKS recovery possible?



Apologies for replying my own post.

I believe I found the not so happy answer for me in Dr. Wagner's monthly
FAQ.

Is it possible to provide salt manually?
Implementing a simple logic may allow re-generating the original header
in case something bad happens, but I admit it makes sense keeping
backups of lhdrs somewhere safe.

Thanks,
Miklos

On 12/02/2010 11:28 AM, Miklos Bagi wrote:
> Hi all,
>
> I'm hoping to get directions with a 'small' recovery task.
>
> Given a partition that's known to be a broken LUKS one, lhdr is missing
> (incl magic, chipher, hash, uuid, etc.), however there are some facts known:
> - chipher: aes-cbc-essiv:sha256
> - keysize: 256 bits
> - offset: 2056 sectors
> - most importantly: we have the master key file available.
>
> I have the suspicion that the first approx 10% of the partition have
> been overwritten with random data.
> What are the chances of recovering any data in the given scenario?
>
> Thanks in advance,
> mB
>

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