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6
votes
2answers
179 views

How do I layer compression on top of encryption on top of BtrFS, per-file?

BtrFS should support this really, but it doesn't. So ECryptFS looks like it will fill the gap. The only thing is, how would I layer compression on top of this? Reasons for compression on top of ...
1
vote
1answer
117 views

Use existing encrypted directory as home directory

In the past, I installed Ubuntu 12.04 with /dev/sda4 mounted as /home. I encrypted my home directory. Today, I erased all the partitions except /dev/sda4 and I installed Xubuntu 14.04 on a new ...
1
vote
1answer
340 views

ecryptfs-recover-private deleted files?

After running ecryptfs-recover-private --rw ./ and doing some basic tasks on the mounted directory it seems that all files have been deleted somehow, yet the folder structure remains. This is very ...
1
vote
1answer
256 views

/dev/shm/ecryptfs-$USER-Private keeps climbing in Kubuntu 12.10 Install

I'm having a problem with an installation of Kubuntu 12.10 with an encrypted home directory. I've been trying to figure it out for several weeks. For transparency, I'll note here that I posted this ...
4
votes
0answers
324 views

How does ecryptfs (FUSE filesystems in general) interact with buffer cache?

My assumption (which seems to be incorrect) was that ecryptfs (FUSE filesystems in general) used the following stacking mechanism: User code issues read() Kernel attempts to satisfy request from ...
2
votes
0answers
80 views

Ecryptfs problem with rsync

I use rsync to sync my files between my home laptop and my office desktop, with the -Cauvb --delete options. Recently, on my laptop, I encrypted my home directory with ecryptfs, which lives on an ...
2
votes
0answers
42 views

Problem using ecryptfs when /home mounted in two different systems

I have three partitions on my disk: Linux Mint Debian Edition (Kernel 3.11-2-amd64) /home Debian Testing (Kernel 3.16.0-4-amd64) Both systems mount the /home partition, which is encrypted using ...
2
votes
0answers
148 views

Smart Cards and eCryptFS

I'm trying to integrate PKI keys on a smartcard (using OpenSC) with eCryptFS mounts in order to facilitate stronger authorization checks. Here's how I would encrypt the passphrase for the filesystem: ...
2
votes
0answers
409 views

eCryptFS automounting issue

I'm running Arch Linux and am trying to setup an encrypted folder with eCryptFS. I've followed the tutorial on Arch's Wiki for manual installation, it's actually working. The problem occurs when I try ...
2
votes
0answers
685 views

Use encrypted /home in fresh Debian created in Mint

I usually use my Linux Mint 15 installation on my PC. I have separate / and /home partitions. /home is encrypted with ecryptfs, which I did not configure myself, I just ticked the "encrypt home" when ...
2
votes
0answers
1k views

Superblock corruption on every boot

I have a Linux Mint 12 install on my laptop. Yesterday I powered it off like I always do and this morning when I started it I was greeted by an error screen. (Translated from Swedish) Fatal ...
1
vote
0answers
24 views

Auto-mounting encrypted home folder from previous installation

I have been using Linux Mint till a few days ago, when I installed OpenSUSE LEAP 42.1 instead. In order to keep my existing (and pretty large) user home folder (/home/user), I ordered the SUSE ...
1
vote
0answers
53 views

What is a “file header” in Linux file systems?

The following sentence appears in an article in the web: All cryptographic metadata is stored in the headers of files, so encrypted data can be easily moved, stored for backup and recovered. ...
1
vote
0answers
16 views

SELinux prevents auto-umount of ecryptfs

I'm running SELinux and ecryptfs on a Debian machine. When a user logs out, unfortunately it's home directory is not unmounted, and I get the following error in audit.log: type=USER_AVC msg=audit(...
1
vote
0answers
105 views

ecryptfs: auto-umount does not work

I've set a encrypted home directory for user piranha3: root@raspberrypi:~# ecryptfs-verify -u piranha3 -h INFO: [/home/piranha3/.ecryptfs] exists INFO: [/home/piranha3/.ecryptfs/Private.sig] exists ...
1
vote
0answers
138 views

Permission denied using ecryptfs-setup-private as root

If i create an encrypted home directory for a non-root user as root user, I mean: ecryptfs-setup-private -u kok After that, when kok login it fails to mount: Failed to detect wrapped passphrase ...
1
vote
0answers
646 views

how to decrypt ecryptfs file with private key instead of passphrase

I have an encrypted share folder on my synology NAS DS413 (which uses ecryptfs). I can manually mount the encrypted folder and read the decrypted files without issue, using synologies GUI. For some ...
1
vote
0answers
118 views

How to avoid session login failure with ecryptfs

After encrypting my /home directory with the migrate-home ecryptfs-utils script I can't log in to an XFCE session on my Manjaro system from the normal login screen. If I try to, the session is ...
1
vote
0answers
73 views

Auto ecryptfs mounting only works after cloning

Weird problem, I have an auto ecryptfs setup on a machine. I have an init.d script which is setup to automount the ecryptfs. It was working at one point, and even now if I run the script directly it ...
0
votes
0answers
63 views

ecryptfs error leads to unknown filesystem on grub rescue

I have a Lenovo Thinkpad with a dual boot for Ubuntu and Windows 7. While in Ubuntu I closed the lid to the computer (which doesn't put Ubuntu to sleep) and went out to run some errands. I come back ...
0
votes
0answers
160 views

Shrinking directory sizes on an ecryptfs filesystem

The root directory of my ecryptfs filesystem has grown massively since I accidentally created many thousands of files in it. Now that I've deleted the files, I'd like to shrink the directory, as I ...