Questions about encryption such as home folder encryption, partition encryption and file encryption.

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How do I encrypt my HDD and combine with my other encrpted HDD

I am trying to combine 2 HDD's. One of them is already encrypted and is my boot drive. The other one is not encrypted and Linux doesn't see it as more disk space. Could someone explain me how to do ...
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16 views

How to encrypt ext4 filesystem with new Linux Kernel 4.1

Newest Linux Kernel 4.1 added native ext4 filesystem encryption. How to use it?
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2answers
25 views

How long does it takes to encrypt a 1TB usb disk?

I got this 1TB WD usb Disk. I want to encrypt the whole partition using Ubuntu disk utility with ext4+luks and fill up with zeros the space. Any idea how can I estimate how long it will take? The ...
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1answer
25 views

How do I use GNUPG to create a signed message?

To better explain I used gpg --output encrypt.txt --sign encrypt to create an encrypted file that can be decrypted with my public key, but what I would like to do is to output an encrypted message ...
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0answers
14 views

LUKS partition lost?

I'm starting to getting desperate about a partition encrypted with LUKS which is not recognized anymore. Here's what happend: Tried to resize partitions on sdb5 (lvm1 in crypt-container1). Made a ...
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16 views

How to create ext4 encrypted partition on Ubuntu 15.04 with new 4.1 kernel?

Can I create a new ext4 encrypted partition with kernel 4.1 on Ubuntu 15.04?
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11 views

Can't mount encrypted usb stick

I had a truecrypt encrypted usb stick, which I decided to reencrypt in LUKS through disk-utilities. I encrypted it, tested if I can mount it and put all my files on it. However, after a reboot I can't ...
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14 views

Keyboard will not work for encrypted login

I'm running Ubuntu 15.04 (Ubuntu gnome). When I start the computer, it shows the gnome logo and asks to enter my encrypted password to unlock the disk. However, I cannot enter the password. Nothing ...
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1answer
40 views

Access Encrypted Home Folder

Something happened to my laptop recently and whenever I booted it up, it freezes and my cap locks button blinks. I did a little googling on this and it appears that it is caused due to a kernel panic. ...
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28 views

Please enter passphrase for disk .How to fix it?

I'm using Ubuntu 15.04. I don't know what has happened: when I start and enter the passphrase, this message appears: Please enter passphrase for disk ubuntu--vg-swap_1 (cryptswap1) on none! Please ...
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1answer
30 views

What is the expected behaviour for ecryptfs?

I am relatively new GNU/Linux user and currently use Xubuntu 14.04 LTS. I have my main user and I also enabled root account (but not used it and root password is setup). I am interested in ecryptfs ...
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1answer
17 views

Changing home folder encryption after changing user password

When I installed Ubuntu 15.04 I chose to encrypt the home folder. Now I have changed the user password and I can still access the home folder. Does this mean that the home folder encryption key has ...
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11 views

Cannot acces encrypted usb drive

So I had a USB stick encrypted by truecrypt but as it isnt supported anymore I decided to reformat it with disk-utilities in LUKS. I overwrote everything and formatted the drive with disk-utilities in ...
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0answers
14 views

How to mount and use volumes in Ubuntu Server that had been encrypted with Ubuntu Desktop?

I have encrypted all my external disks with the default Ubuntu Desktop 14.04 encryption and I have been sharing them to my home network for a long time without an issue. Recently I decided to go with ...
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0answers
20 views

Encrypted Install of Ubuntu on a SSD and SSD Support for Encryption / Performance

I am looking to purchase a SSD to use as the primary drive on my computer, with the goal of installing Ubuntu (or Linux Mint) with an encrypted hard drive install for security purposes. There's a ...
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1answer
22 views

Ubuntu 14.04 Issues setting up email encryption in Thunderbird with Enigmail

I am having trouble setting up Email Encryption in Thunderbird using Enigmail. I created encryption keys on another Linux machine running Zorin without any issues & exported it to my external hard ...
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0answers
19 views

eCryptfs mount: wrong fs type, bad option, bad superblock

After a stupid I deleted my whole ubuntu system with sudo rm *, and my home folder is encrypted with ecryptfs I recovered 88760 .eCryptfs files. I copied them all at the root of a new folder ...
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1answer
37 views

Initramfs + Luks - only one password prompt

What I want to achieve: Being asked for a password, only once during boot time; The other (non-root) partitions to use the keyfile inside the /root/ directory. What I have achieved so far: (A) ...
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0answers
28 views

cryptsetup: unknown fstype, bad password, ect. Bug? Ubuntu 14.04.2

I can't log in to my system at first I had gotten the following error: cryptsetup: unknown fstype, bad password or options? Ubuntu spammed this at boot. Now I can't run the Ubuntu OS ...
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14 views

Seahorse: Does “file export” always just exports the public key?

Or in other words: is it always secure to do "File -> Export" in Seahorse and mail this file to a person you want to share data (safely via encryption) with? So Seahorse never includes any crucial / ...
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0answers
36 views

How do I enter my home directory password once [apt-get install, encrypted directory]?

Here is my dilemma: I install a lot of software from the command-line and then I move away from the terminal to do other things. Example: sudo apt-get -y install php5 php5-gd php5-mcrypt openssl ...
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0answers
115 views

15.04 Swap won't “stay decrypted” (both Disk and Home Directory encrypted)

I just installed Ubuntu 15.04. During installation, I enabled both full disk encryption and home directory encryption. I then proceeded to install several applications. While installing these with ...
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6 views

On mini Mac, after install of 14.2, the pass-phrase for encrypted drive is not accepted. But also I can not boot from install media anymore

I have checked how to enter my pass phrase with different keyboard-layouts after having read the listed issues with this error. However I still can't get through. I can no longer boot the mac with ...
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2 views

mcrypt encryption 's place for key storage

I am using mcrypt for symmetric encryption in ubuntu and that is working fine. I just want to know that how key used for encryption is generated and where it is stored? I am new with ubuntu so i am ...
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1answer
12 views

Run command on logout, *before* encrypted home is unmounted

I'm running 14.04 LTS with an encrypted home directory. I've got a service (profile-sync-daemon) needs access to files in my home directory when it starts and stops, so needs to start after the ...
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36 views

How to resize a crypt-luks partition that takes all hard drive?

I want to shrink the partition to be able to install a windows OS, but i installed ubuntu 15.04 with encryption of the logical volume, gparted doesn't support crypt-luks so what do i do?
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2answers
41 views

How can I get rid of Ubuntu disk encryption bugs?

When I first installed Ubuntu Studio 14.04 a few months ago, I chose the option for the disk to be encrypted. I have had two issues since then that I believe have to do with it. For a while every ...
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14 views

“Authentication is required to check power state for…” after login from encrypted user

One of the users on my system (Ubuntu 14.04) has an encrypted home directory... after I log out of the encrypted user and log into another unencrypted user, I am getting a series of window asking me ...
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0answers
8 views

14.04 unable to boot after formatting different primary drive in Acer r7

I have owned my Acer r7 for about a year now and within the first week I installed a 120gb evo msata as a secondary boot drive running ubuntu 14.04. I had setup luks encryption and all partitions ...
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0answers
23 views

CPU Scheduling incredibly slow with large difference between total execution time and actual CPU time - Ubuntu Full-Disk Encryption enabled

Admittedly, I am running on a build that is no younger than five years old at this point and the system is not going to be incredibly fast. However, at the same time, the run-times I am observing are ...
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0answers
25 views

Fail to log in to an encrypted home Ubuntu 14.04

As titled, I have problem in logging in to an encrypted home. I have encrypted my home (admin) directory some time ago, so I don't really remember whether I written down the passphrase, but one thing ...
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4answers
204 views

I deleted my whole ubuntu system with sudo rm *, and my home folder is encrypted with ecryptfs

I just did sudo rm * and deleted everything. (yes, I know what you think and I agree with you). My SSD is 128G, ubuntu 14.10 was installed on the full partition, using LVM and with the /home ...
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1answer
20 views

Access encrypted home directory of one user when I am logged in as another user

On Ubuntu 14.04 I have created an encrypted home directory for a certain user A (with ecryptfs-utils & cryptsetup). However I am usually logged in as another user B. When I am logged in as user B, ...
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18 views

Create exact copy of compact flash with encryption with dd

I have a touchscreen system that's using some sort of encryption on a compact flash card to run it's OS. The card died, but I have access to identical machines. But when I try to copy the cf with DD ...
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2answers
47 views

How can I increase size of boot partition, if I have an encrypted home partition?

Installed Ubuntu as a first-time user about two months ago. Has been working great until two weeks ago, when updates would no longer install due to not enough room on the boot disk. I did the "sudo ...
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Enigmail Keys Keep Disappearing

I have made and backed-up my Enigmail keys three times to an external HDD, and every time I go to restore them, they are missing. The whole folder I made to store them in is missing to. No one has ...
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Cannot create user with auto-mounted encrypted home dir in Ubuntu 14.04.2 LTS desktop

I set up a machine with 14.04.2 and used the encrypted homedir option, which works fine from the installer. I went to move some stuff around, and ended up re-installling. I have been trying to create ...
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27 views

Linux full disk encryption password prompt completely unreadable

After a few updates ago , my computer as it boots up and asks for the hard disk encryption passphrase the menu is completely unreadable. This doesn't bother me too much, but I am curious if there is a ...
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Xubuntu 14.04 sa5_crypt screen keyboard doesn't work

I have Xubuntu 14.04 since it's release, but have never updated it until today. After that (and with a message of error in the softwate updater) i rebooted my pc (sorry for my english, i'm from ...
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1answer
19 views

Installed Ubuntu on a thumb drive with full disk encryption. Doesn't accept the pass when mounted on another install

I checked the full disk encryption (and home dir) options when instlling Ubuntu 15.04 on a thumb drive. The installation was done as you would do on a HDD. It works fine. However, i plugged the thumb ...
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21 views

recovery of files from the home folder to delete the kernel by accident

I'm starting to use linux and decided to use ubuntu 14.10 mate! one of them was that of an innocent I ended up deleting my kernel system in order to increase the space in the folder/boot ja that my ...
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0answers
64 views

Remove encryption of Ubuntu partition

I installed Ubuntu 14.04 a few months back. While installing, I had enabled the option of disk encryption, because of which I have been able to login to my system only after entering a passphrase in ...
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2answers
164 views

Encrypted SWAP partition creation after ubuntu 15.04 installation, 15.04 installer bugs!

Today I decided to install clean copy of 15.04. Using the installer partitioning tool, I created an encrypted luks system volume, then created an unencrypted SWAP, clicked continue, then got an error ...
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39 views

Ubuntu Studio 14.04.2 LTS AMD64 boot issue

Fresh install, no dual boot, 2TB brand new HDD, 4GB RAM, brand new Toshiba Satellite NB15T, LUKS encrypted drive, encrypted home folder as well, MD5 checksum's verified, default installation (and ...
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52 views

Problem with Ubuntu 15.04 Install switched encripted areas of of my main disk

During install the only area of my disk I requested encrypted was my home folder. What actually happened was home folder is not encrypted and the rest of the disk is encrypted by a blank password. ...
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Issues installing updates with disk encryption

I am quite new to linux and have just installed Kubuntu 15.04. I have been trying to install available update packages using the MUON Update Manager, however when the progress bar gets to about 25% ...
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0answers
33 views

New Ubuntu 14.04 installation with full disk encryption prompts for passphrase in console

My previous Ubuntu 14.04 installation launched to a graphical screen with the Ubuntu logo and a text prompt under it for passphrase insertion. I did a distro upgrade, which broke my installation, so I ...
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42 views

Plymouth script with LUKS Encryption

ive been hacking round with Plymouth themes on my Ubuntu 12.04 install and have noticed some strange behavior that I can't seem to explain (or solve) Note. I have two drives - both are encrypted with ...
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0answers
64 views

How to encrypt dual-booted Xubuntu?

I'm running a dual-booted Windows and Xubuntu system. I need full partition encryption, but only on the Xubuntu side. Is it possible to set it up without loosing any data? Which method is the safest ...
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58 views

Lubuntu Persistent LiveCD with Encrypted Home

I've done a lot of searching on this topic but have yet to find a definitive solution/answer that is easy to follow. I have a 256GB USB3.0 stick, which has two partitions (small FAT32 partition with ...