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[Bug 402748] Re: improve subsequent login and screen unlock times

To: ecryptfs@xxxxxxxxxxxxxxxxxxx
From: Dustin Kirkland <dustin.kirkland@xxxxxxxxx>
Date: Wed, 22 Jul 2009 00:05:55 -0000
Reply-to: Bug 402748 <402748@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Also affects: ecryptfs-utils (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: ecryptfs
       Status: Triaged => Fix Committed

** Changed in: ecryptfs-utils (Ubuntu)
       Status: New => Fix Committed

** Changed in: ecryptfs-utils (Ubuntu)
   Importance: Undecided => Medium

** Changed in: ecryptfs-utils (Ubuntu)
     Assignee: (unassigned) => Dustin Kirkland (kirkland)

-- 
improve subsequent login and screen unlock times
https://bugs.launchpad.net/bugs/402748
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Status in eCryptfs - Enterprise Cryptographic Filesystem: Fix Committed
Status in “ecryptfs-utils” package in Ubuntu: Fix Committed

Bug description:
Every time pam_ecryptfs is called by the PAM stack, it will use the entered password, decrypt the wrapped-passphrase, key-strengthen that, load the results into the keyring, and then mount the user's private directory.

If the user's home (or private) directory is already mounted, this is a tremendous waste of time/effort.

We should short-circuit this process if possible.

Note that the counter aspect of this is going to be tricky...

:-Dustin