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Questions tagged [ecryptfs]

50 questions
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Poor write performance on ecryptfs

I did a bit of benchmarking with ecryptfs and dm-crypt, and got some interesting results. All the following were done with a Btrfs filesystem, using dd to copy a ~700MB file to/from a ramdisk with the conv=fdatasync option to force data syncing.…
Robin McCorkell
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eCryptFS: How to mount a backup of an encrypted home dir?

I use eCryptFS to encrypt the home directory of my laptop. My backup script copies the encrypted files to a server (together with everything else in (home/.ecryptfs). How can I mount the encrypted files of the backup? I'd like to verify that I can…
Boldewyn
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eCryptfs encrypted home - explanation

I'm trying to understand how ecryptfs works internally and documentation on ecryptfs.org doesn't help. Maybe someone is able to explain how does it really works. Of course I'm aware of these hidden .Private / .ecryptfs directory structure. My…
ardabro
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Mount ecryptfs volume on Windows

I have my Linux /home partition encrypted using ecryptfs, my Linux install is no longer working and I'd like to access files stored on that partition from Windows. Is there a tool/procedure that would allow me to do this?
mdeous
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5
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Advice on approaches to disk encryption in Ubuntu?

I'm considering encrypting the contents of my laptop, which runs Ubuntu 10.04 and has an ext4 + swap, and I'm wondering what the best options are here. I'm aware of: TrueCrypt: either block-level encryption or virtual device within a…
Yang
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4
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eCryptfs with dropbox: must remount for synchronized changes to be visible

I am experimenting with using eCryptfs on top of dropbox, and I am encountering some issues. My system is GNU/Linux, openSUSE 12.2 to be exact. My setup is thus: I have set up two instances of VirtualBox running openSUSE 12.2, lets call them VM1 and…
Quantumboredom
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Cannot add key to kernel keyring

I have an encrypted folder that I want to decrypt (using ecryptfs). I went over all the standard procedures mentioned here. Everything seems to go well (getting passphrase, then adding it a keyring and finally attempting to mount using ecrptfs)…
Turgon
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(How) can I use VirtualBox (linux guest) to unlock LUKS and EcryptFS on Windows 8 (host)?

I run Linux (Ubuntu 13.10 and Mint 16) most of the time both at work and at home. Occasionally I need to boot into Windows (I dualboot Windows 8 at home or Windows 7 at work). In Windows, I'd like to be able to access my LUKS drives and unlock my…
Redsandro
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3
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Should I use the openSUSE installer to encrypt /swap until ecryptfs is updated to work with systemd?

I recently installed openSUSE 12.3. I didn't use any partition encryption in the installer. Immediately after the install was complete, I installed ecryptfs-utils and ran ecryptfs-migrate-user -u my_user_name as root in tty1. This was also…
J L
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Does eCryptfs prefetch and/or buffer data?

I have been experimenting with using eCryptfs as the underlying file system for MySQL data to mimic transparent data encryption for MySQL. I ran some tests to measure the overhead of decryption when MySQL reads data and I am getting strange results.…
Rahul
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ecryptfs and many many small files - bad performance?

I have a folder with a few hundred thousand small files, totalling about 14 GB of data. This is a folder in my ecryptfs encrypted home directory. Doing a "du -sh folder" takes over 9 minutes. Doing a cp -ral to a non-encrypted location takes an hour…
Guy
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Directory locations for ecryptfs

I have a private ecryptfs directory mount set up on Linux Mint, and I was wondering about how exactly the relevant files are distributed on my computer. Right now there's an .ecryptfsdirectory in /home, with a directory for my user which contains…
darkfeline
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3
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Some way to support compression in front of ecryptfs transparently?

I would like to use ecryptfs for some files/directories, maybe a whole file system. Some of my files can be compressed pretty good, but from what I've read so far ecryptfs doesn't support compression currently. There's file systems like BTRFS or ZFS…
Thorsten Schöning
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Is it possible to hack my encrypted home by getting root access?

As we know there are some ways (as single user mode) to change root password by person having physical access to the machine. So: What will happen if someone steal my laptop, get root access and change my user password? Is my $HOME encypted with…
ardabro
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Crashplan: Backing up locally encrypted files

I have a large number(>50GB) of files I want to back up in encrypted form, and I don't trust the crashplan provided encryption for these files. I'm using ecryptfs and doing this in my /etc/fstab: /sensitive /sensitive-enc…
Hamy
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