[dm-crypt] Quorum system on decryption passphrase

Arno Wagner arno at wagner.name
Wed Mar 30 20:08:08 CEST 2016

Hi FP,

no, you cannot. You can simulate it though:
Say the persons have passphases aaa bbb and ccc.
set-up passphrases aaabbb aaaccc and bbbccc and have a
wrapper-script that concatenates the two inputs from the 
persons and hands it to cryptsetup. (Or use libcruptsetup 
and a C program.)


On Wed, Mar 30, 2016 at 15:18:54 CEST, Fernando D. Pedemonte wrote:
>    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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Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno at wagner.name
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
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