[dm-crypt] luksHeaderBackup

Two Spirit twospirit6905 at gmail.com
Tue Aug 14 19:40:30 CEST 2012

Is the cryptsetup luksHeaderBackup equvalent to just doing a dd of the LUKS
how would I know the exact total length. and I assume there is no offset
for the header.

also, I just want to confirm that it wouldn't make a difference if I did a
dd while the
device was luksOpen'd or luksClose'd?
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