*** This bug is a duplicate of bug 1022815 ***
https://bugs.launchpad.net/bugs/1022815
I can confirm the bug still exists in Ubuntu 14.04.2 LTS desktop. I used
the encryption setup from the Ubuntu installer, and then wanted to
decrypt a second drive /dev/sdb with the same password.
When I used the default decrypt_keyctl script, I would not see a prompt
and would not be able to continue the boot process, so I believe this
bug can cause serious trouble for users.
I modified /lib/cryptsetup/scripts/decrypt_keyctl as in the patch suggested by
Marek.
Then, I can use the following settings in /etc/crypttab:
sda3_crypt UUID=123 group1 luks,discard,keyscript=decrypt_keyctl
sdb_crypt UUID=456 group1 luks,discard,keyscript=decrypt_keyctl
Afterwards, I ran
sudo update-initramfs -u
Now, I need to type the password only once. I can either type the
password directly or login via SSH (I installed dropbear and busybox).
Thank you, Marek!
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https://bugs.launchpad.net/bugs/1362881
Title:
Can't input password with keyscript=decrypt_keyctl in initramfs
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