[dm-crypt] Quorum system on decryption passphrase

Sven Eschenberg sven at whgl.uni-frankfurt.de
Wed Mar 30 17:02:37 CEST 2016

Hi Fernando,

I am not sure about what you are asking. Do you mean that a (single) 
person needs to enter 2 (different) passphrases for 2 (different) slots, 
to unlock the device? If so, the answer is no, as each keyslot, when it 
is unlocked, gives you the device encryption key.

If you are asking if you can give 2 different passphrases to two people, 
where each phrase unlocks one of the slots - yes, that is the very 
purpose of LUKS.



P.S.: You might want to clarify your question a little more, if you are 
asking something else.

Am 30.03.2016 um 15:18 schrieb Fernando D. Pedemonte:
> Dear List
> I am trying to setup an encrypted partition, and I requiere 2 people of
> 3 putting a pass-phrase to unlock the device.
> Is there any way that I can setup in the system to require keys in two
> different slots to unlock the device?
> Thanks in advance for your response
> Best Regards
> FP-
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