@penalvch it seems that ecryptfs-setup-swap might not be the ideal place
to fix this issue. This issue isn't just an eCryptfs swap helper, it's a
cross-cutting boot/login feature. The right "home" would be in
initramfs-tools/cryptsetup + PAM integration, not here.

I'm going to see if I can build a PAM module that wraps the per-boot
swap key into LUKS keyslots on login (as I like the option #2 proposed).
Then I'll look into adding initramfs logic to detect a hibernation image
and prompt for a user password to unlock swap and resume. And manage
keyslot cleanup on shutdown.

If I find the right forum to post updates on the progress of that, I'll
post a link to it on here.

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https://bugs.launchpad.net/bugs/432785

Title:
  add support to ecryptfs-setup-swap for keyed hibernation

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