I modified scripts to allow system encryption with a detached LUKS
header. Everything but /boot is encrypted and the header can be either
a partition or a file (say) in the initrd in /boot. And /boot can be on
a separate device, e.g. a USB thumb drive, so the system drive can have
only encrypted data with no indication that it's LUKS encrypted.
I'm writing to see if the changes would be of interest to anyone and
how to include them in a package. I was using Linux Mint 12 but they
should work (at least) with any of the Debian derivatives.
LM12 came with cryptsetup 1.1.3 so I got the latest source which at
that time was 1.4.1. Since I didn't see any of the initramfs-tools
scripts in the cryptsetup source, I assumed they were distributed in a
different package. I've subsequently found that while there is a
initramfs-tools package, the scripts related to cryptsetup are in the
cryptsetup package. This observation applies at least to Debian, Ubuntu
and Linux Mint.
Because of the difference in the source and packaging, I have the
modified 1.1.3 scripts working with the 1.4.1 cryptsetup I built. After
taking a quick look at 1.4.3, I've concluded it won't be too much work
to get the changes in sync. However it would be best to do this only
once. I was thinking about doing it with 1.4.3 which comes with Ubuntu
12.10 but I see that 1.5.1 has just been released.
Given all this, can someone tell me:
- how the scripts get packaged with cryptsetup since they don't
appear to be in its source tree?
- where the scripts are?
- how to get the changes included with the distributions, assuming
there's interest?
Thanks.
Jim
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