Ext4 encryption

Posted Apr 12, 2015 5:46 UTC (Sun) by hobarrera (guest, #101888)
In reply to: Ext4 encryption by msnitzer
Parent article: Ext4 encryption

From what I can well, these changes allow per-directory-tree keys/passwords. Can dm-crypt do that? Maybe the Android folks needed/wanted that for some reason or another (I can't guess why, though).

Ext4 encryption

Posted Apr 14, 2015 17:38 UTC (Tue) by chloe_zen (guest, #8258) [Link] (1 responses)

One of the weaknesses of full-disk encryption is that once any user logs in the whole disk is effectively in plaintext; all an attacker needs is privilege escalation. Directory tree encryption is *the* killer feature here.

Ext4 encryption

Posted Jun 26, 2015 12:44 UTC (Fri) by yoshi314 (guest, #36190) [Link]

separate encryption per each user-profile, that's one use case i am thinking about.