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I installed Ubuntu 12.04 a few days ago but strangely I seem to have skipped the part about choosing to encrypt home folder. Now if it is encrypted I do not know what is the encryption key. How do I check if it is really encrypted? (and also the swap partition).

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marked as duplicate by Eliah Kagan, Jorge Castro, Raja, Warren Hill, Kevin Bowen Jul 31 '13 at 17:19

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

related question ->… –  hhlp Jun 4 '12 at 20:56
You probably could have recovered the passphrase using ecryptfs-unwrap-passphrase or ecryptfs-unwrap-passphrase /path/to/wrapped-passphrase (if the automatically created "wrapped-passphrase" file had not been deleted), see…;. NB: When ecryptfs-unwrap-passphrase asks for your passphrase, enter the user's password. –  lmeurs Aug 24 at 12:08

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up vote 16 down vote accepted

Check with ls -A /home. There should be a .ecryptfs folder, if you have encryption of your home folder.

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Thanks. That's exactly what I needed. I do have .ecryptfs folder. So my home folder is encrypted. –  Neptunno Jun 4 '12 at 21:08
Also there is a related question regarding swap partition, My swap is encrypted as well. –  Neptunno Jun 4 '12 at 21:09 Eve's mkdir ~/.ecryptfs (or tar xf files-expected-on-an-encrypted-home.tgz) would make Alice believe her home is safely encrypted, while it actually isn't? –  lserni Apr 20 at 13:29

This is how to check if swap partition is encrypted:

sudo blkid | grep swap

and should check for an output similar to

/dev/mapper/cryptswap1: UUID="95f3d64d-6c46-411f-92f7-867e92991fd0" TYPE="swap"

If instead of cryptswap1 there is something like a usual drive (e.g. /dev/sda4) then swap area is not encrypted.

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