Creating an encrypted shared folder for two Ubuntu users
Hi,
I would like to create an encrypted folder that is accessible by multiple accounts on the same computer.
I'm a big fan of ecryptfs. I use it in Ubuntu to encrypt our home directories on our home laptop, among other things. There are a number of files that we want to share between our user accounts.
I would like to encrypt our shared folders so that these are also protected if the laptop is stolen. I would need this to be transparent so that it appeared as if we were sharing an unencrypted folder/mount.
At a technical level, I assume that this would require the folder to be encrypted and mounted after the user logs in, either using some PAM thing, or a passphrase in a file within the home directory (which is itself encrypted and secure). I understand that there are issues using PAM:
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so it may have to be a file in the home directory.
Has anybody done this? What is the most straightforward way to achieve it?
I have read:
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which didn't actually answer the question and asked this in the wrong place a while ago:
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