[dm-crypt] Last key removed

Arno Wagner arno at wagner.name
Tue Dec 9 13:20:22 CET 2014

Actually, with the master key, you can set a new
passphrase. See FAQ Item 6.10.


On Tue, Dec 09, 2014 at 09:36:40 CET, Hannes Erven wrote:
> Hi,
> > Now I realized that was a stupid thing of mine thinking that way. To
> >keep short: Is my data lost, right?
> is the device still luksOpen?
> If yes, you could try to grab the master encryption key from the
> running system. I think
> # dmsetup table --showkeys DEVICENAME
> should do the trick. You still won't be able to use LUKS to open
> that device, but at least you can use dmsetup directly to decrypt
> and access your device.
> Good luck!
> 	-hannes
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Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno at wagner.name
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