PLD Linux Distribution

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====== eCryptfs ======
eCryptfs is a POSIX-compliant enterprise-class stacked (on top of other filesystem) cryptographic filesystem for Linux. 



===== Resources =====

  * [[https://launchpad.net/ecryptfs/|Project homepage]] 


===== Contents =====
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===== Initial configuration =====
Install ecryptfs-utils-85-4 and pam-pam_ecryptfs-85-4 or newer. 

Add all users that should be able to encrypt their data to ecryptfs group. 



==== Setup PAM ====
Three new lines. Note need to be places after pam_unix.so! 



<file>[root@host ~]# cat /etc/pam.d/system-auth
#%PAM-1.0
auth            required        pam_listfile.so item=user sense=deny file=/etc/security/blacklist onerr=succeed
auth            required        pam_env.so
auth            required        pam_tally.so deny=0 file=/var/log/faillog onerr=succeed
auth            required        pam_unix.so try_first_pass

# ECRYPTFS SUPPORT - has to be AFTER pam_unix
auth            optional        pam_ecryptfs.so unwrap

account         required        pam_tally.so file=/var/log/faillog onerr=succeed
account         required        pam_time.so
account         required        pam_unix.so

# password      [success=1 ignore=reset abort=die default=bad]  pam_pwgen.so upper=1 digit=1
password        required        pam_cracklib.so try_first_pass difok=2 minlen=8 dcredit=2 ocredit=2 retry=3
password        required        pam_unix.so try_first_pass sha512 shadow use_authtok

# ECRYPTFS SUPPORT - has to be AFTER pam_unix
password        required        pam_ecryptfs.so

password        required        pam_exec.so failok seteuid /usr/bin/make -C /var/db
# password      required        pam_exec.so failok seteuid /usr/bin/make -C /var/yp

session         optional        pam_keyinit.so revoke debug
session         required        pam_limits.so change_uid
session         [success=1 default=ignore]      pam_succeed_if.so service in crond quiet use_uid
session         required        pam_unix.so

# ECRYPTFS SUPPORT - has to be AFTER pam_unix
session         optional        pam_ecryptfs.so unwrap
</file>


===== Account migration =====
End all USER session, logout from machine and run from root: 

''ecryptfs-migrate-home -u USER'' 

Follow instruction on the screen.