[dm-crypt] Remote Passphrase management

Arno Wagner arno at wagner.name
Fri Jul 1 12:01:51 CEST 2011

Hi Karan,

there is no passphrase reset function. However you can
set multiple passphrases with LUKS and can, e.g.,
put a recovery passphrase in a specific slot. You 
can then make a header backup and store it in a database,
in order to be able to reinstall that recovery passphrase. 
With ssh as root to the laptops, you can do
this remotely and, as allways on Linux/Unix,
scripted. There really is not need for a special


On Fri, Jul 01, 2011 at 10:14:05AM +0530, karna singh wrote:
> Hi,
> Is there any integration which can be done with Dmcrypt setup so as to get
> the passphrase reset function through a central management tool.
> We need to roll out laptops in huge number.
> laptop OS 64 Bit Ubuntu 10.04 LTS.
> -- 
> BR/
> *Karan*

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Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno at wagner.name 
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