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[Bug 295429] [NEW] pam_encryptfs.so causes authentication to be slow

 

Public bug reported:

Binary package hint: ecryptfs-utils

I have the encrypted ~/Private enabled. In /etc/pam.d/common-auth is the line:
auth    optional    pam_encryptfs.so unwrap

If that line is commented out, then doing something like 'sudo ls' is
instantanious after I enter my password.

If that line is not commented out (like normal), 'sudo ls', or anything
else involving my password such as logging in, and unlocking the
screensaver take about 4 or 5 seconds longer than they need to.

The following is also syslogged. I'm not sure if it's relevant or not,
but that 5 second delay seems to be the pause that occurs.

Nov 8 17:33:00 gulik sudo: pam_sm_authenticate: Called 
Nov 8 17:33:00 gulik sudo: pam_sm_authenticate: username = [robin] 
Nov 8 17:33:00 gulik sudo: Error attempting to parse .ecryptfsrc file; rc = [-5]
Nov 8 17:33:00 gulik sudo: Unable to read salt value from user's .ecryptfsrc file; using default 
Nov 8 17:33:05 gulik sudo: Passphrase key already in keyring 
Nov 8 17:33:05 gulik sudo: Error attempting to add passphrase key to user session keyring; rc = [1] 
Nov 8 17:33:05 gulik sudo: There is already a key in the user session keyring for the given passphrase. 

This doesn't seem to impair the functionality, but it is a little bit
annoying.

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

-- 
pam_encryptfs.so causes authentication to be slow
https://bugs.launchpad.net/bugs/295429
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Status in “ecryptfs-utils” source package in Ubuntu: New

Bug description:
Binary package hint: ecryptfs-utils

I have the encrypted ~/Private enabled. In /etc/pam.d/common-auth is the line:
auth    optional    pam_encryptfs.so unwrap

If that line is commented out, then doing something like 'sudo ls' is instantanious after I enter my password. 

If that line is not commented out (like normal), 'sudo ls', or anything else involving my password such as logging in, and unlocking the screensaver take about 4 or 5 seconds longer than they need to.

The following is also syslogged. I'm not sure if it's relevant or not, but that 5 second delay seems to be the pause that occurs.

Nov 8 17:33:00 gulik sudo: pam_sm_authenticate: Called 
Nov 8 17:33:00 gulik sudo: pam_sm_authenticate: username = [robin] 
Nov 8 17:33:00 gulik sudo: Error attempting to parse .ecryptfsrc file; rc = [-5]
Nov 8 17:33:00 gulik sudo: Unable to read salt value from user's .ecryptfsrc file; using default 
Nov 8 17:33:05 gulik sudo: Passphrase key already in keyring 
Nov 8 17:33:05 gulik sudo: Error attempting to add passphrase key to user session keyring; rc = [1] 
Nov 8 17:33:05 gulik sudo: There is already a key in the user session keyring for the given passphrase. 

This doesn't seem to impair the functionality, but it is a little bit annoying.



Follow ups

References