Re: change LUKS filesystem password

[Paul Heinlein <heinlein@xxxxxxxxxx>]

On Thu, 11 Aug 2011, ken wrote:

> How do you change the LUKS filesystem password?

[Caveat: this is sort of from memory; I don't have a luks-encrypted 
device handy for testing...]

First, add a second key (password):

   cryptsetup luksAddKey /dev/XXX

Then delete the original key

   cryptsetup luksKillSlot /dev/XXX 0

You need to be careful to get the slot numbers correct. Use the 
luksDump option to see how things are setup on your system.

-- 
Paul Heinlein <> heinlein@xxxxxxxxxx <> http://www.madboa.com/
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