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

learn more… | top users | synonyms (1)

3
votes
2answers
1k views

Decrypt TrueCrypt containers using dm-crypt

Is it possible to decrypt TrueCrypt containers using dm-crypt? I have some container files created with TrueCrypt and I just wanted to know if it's possible to decrypt them using dm-crypt so I can ...
1
vote
1answer
127 views

How to make an encrypted home folder accessible by two local users?

My wife and I are sharing a laptop running Ubuntu 12.04 LTS and I would like to encrypt the Home folder of each of us while still maintaining access by the other. The encryption part using eCryptfs ...
0
votes
1answer
93 views

How to open encrypred USB flash drive in wine?

I have an encrypted Integral USB stick with LOCKV231.EXE I was hoping that I may be able to use it in Kubuntu (12.4) through Wine, but when I right-click LOCKV231.EXE and select: 'Open with wine ...
0
votes
0answers
85 views

Restrictions for unprotected AdHoc network?

Question: I need to connect my ChromeBook, which has only WLAN to my RJ45-LAN. To do this, I created an ad-hoc wirless hotspot on my Ubuntu laptop, so I can connect the chromebook to this hotspot. ...
0
votes
1answer
56 views

encfs not decrypting on clean install

I did a clean install of 12.04 (after a failed upgrade to 12.10 - beware the graphics drivers) I had used encfs + Dropbox to create an encrypted backup. I have downloaded the .encrypted files, the ...
0
votes
0answers
85 views

External (encrypted) hard drive shows all space unallocated

I bought a new USB hard drive, formatted it using Ubuntu disks tool and also encrypted the drive with it (I think I used the LUKS+ext4 option). Now that I try to use the drive with my other Ubuntu ...
1
vote
1answer
86 views

/etc/crypttab timout option

I have created an encrypted flash drive named 'LUKSFlash'. I have tested with the following: $ sudo cryptdisks_start LUKSFlash /dev/mapper/LUKSFlash now exists $ sudo cryptdisks_stop ...
0
votes
0answers
29 views

Ubuntu 12.04 Keyring broken “Can't log into account”

So, for some reason i cant suddenly log into my main account, so i did alt+ctrl+f1 and saw the message "signature not found in user keyring perhaps try the interactive 'ecryptfs-mount-private'"
0
votes
1answer
424 views

Terrible Luks/dm-crypt performance on 13.10 (Asus Zenbook, SSD, AES-NI supported)

I have a Laptop (Asus Zenbook UX31A) with 124GB SSD. I installed Ubuntu on a encrypted partition and started facing moments of temporary or permanent unresponsiveness. I suspected I/O and did some ...
1
vote
1answer
740 views

Ubuntu 12.04 Keyring broken "signature not found in user keyring perhaps try the

So, for some reason i cant suddenly log into my main account, so i did alt+ctrl+f1 and saw the message "signature not found in user keyring perhaps try the interactive 'ecryptfs-mount-private'" I can ...
2
votes
0answers
191 views

Will upgrading 13.10 to 14.04 affect my full-disk encryption?

Will upgrading 13.10 to 14.04 affect my full-disk encryption? I just recently installed 64-bit 13.10 with full disk encryption. Will the next LTS release in April affect and/or clash with my ...
0
votes
1answer
1k views

Stuck at boot screen 12.04

I tried to install a lightdm greeter theme but after dissapointing results I chose to try gdm instead, which prety much reconfigured my desktop theme, so I chose to remove them both. Since the last ...
0
votes
1answer
344 views

Lubuntu 13.10 Alternate install with LUKS LVM partition “adding additional” step failed

Setting up a dual boot Lubuntu and Windows 7 system on an old Gateway netbook. There are 3 existing Windows partitions, and during the Lubuntu install, I created two logical partitions, a small one ...
0
votes
0answers
39 views

Lost encrpytion passphrase for external HD

So I encrypted my external HD using the "LUKS + Ext4" type on ubuntu 13.04, on this computer and on this account, a couple of weeks ago. I know the point of encryption is that you cannot retrieve the ...
0
votes
0answers
34 views

Server disk encrpytion prevents connection after SSH remote reboot

newbie here. I am running Ubuntu Server 12.04 LTS on an old machine for a home server project using a static IP address. Running OpenSSH server on it enables me to connect remotely from my Windows7 ...
0
votes
0answers
20 views

How do I make a seperate partition for my home folder?

I've herd of this referred to before and would love to know the process involved. I would also like to be able to encrypt my directory’s.
1
vote
0answers
23 views

I just downloaded Ubuntu 13.10 for the first time. Upon being prompted to enter passphrase, nothing shows up in the text box!

I am brand new to Linux and decided to install Ubuntu 13.10 to my older desktop computer (compaq presario c2400wx I believe). Everything was running quite well until after I booted up. We got the ...
2
votes
2answers
94 views

Need an easy tutorial to lock folders

In Ubuntu 13.04, I've Googled a lot to get three solutions: Rename (hidden) files starting with "." but it hides the folder, but people can access them. Cryptkeeper does not work in Ubuntu 13.04. ...
0
votes
0answers
33 views

Safe to upgrade with encrypted disks

I am running Ubuntu 13.04 Server and I have it set up with LVM and encrypted disks. Is it safe to 'do-release-upgrade' or will the disk encryption interfere with the process?
0
votes
0answers
81 views

KGpg failed to start.

My first time posting. Please forgive me if I am off the make in any fashion. SETUP: DELL UBUNTU 13:10 SITUATION: I installed KGpg and specified that the KEY are to be filed in a Truecrypt folder ...
0
votes
0answers
158 views

Lubuntu 13.10 does not boot, corrupt filesystem?

I have been using Lubuntu on my laptop for some time now, it's the first Linux based OS I have owned and I'm still not very well versed with the finer aspects of the system. A couple of days ago the ...
2
votes
0answers
163 views

LVM logical volumes do not activate on boot on 13.10

I am running an UbuntuGNOME 13.10 and I set it up without an LVM during the installation process. I am now running it with to encrypted partitions, one is containing a LVM. This all works fine, ...
1
vote
0answers
137 views

How to resize an encrypted LLVM volume and configure it to install another Linux distribution alongside Ubuntu?

I chose to install Ubuntu with a fully encrypted disk, using LLVM. How can I resize my partition so that I can install a new Linux version alongside Ubuntu? Here's my current gparted status, this is ...
0
votes
1answer
381 views

/etc/crypttab ignored on boot

I wanted to setup encryption with dm-crypt and LUKS, but I set it up manually, not during installation process (I created LUKS partition and /etc/crypttab file properly). But the encrypted partition ...
0
votes
0answers
52 views

encfs mysql datadir: Errcode: 13

I'm using encfs to encode the /var/lib/mysql data directory, but mysql returns Errcode: 13 at any attemp of create tables or databases. To do so, I moved all files to a temporary dir, created the ...
1
vote
0answers
52 views

How to fix broken upgrade on Ubuntu Server on USB thumbdrive with Encrypted LVM

Oh woes is me: I decided to do a do-release upgrade on my workstation and managed to bork my production workstation. My setup was as follows: 32GB usb key that Ubuntu Server booted from - this ...
1
vote
1answer
755 views

encfs won't decrypt my encrypted folder - password incorrect

I use encfs to backup my data to my external hard drive. Until yesterday everything has always gone fine. Then, after formatting my internal hard drive, I needed to access data on my encrypted folder ...
0
votes
1answer
131 views

“The harddrive for /dev/mapper/cryptswap1 is not yet ready or non existent.”

Two days ago I installed the Ubuntu 12.04 LTS on my laptop, now I have got a big problem I cannot sort out, even by reading and checking what some of you stated in the explanations. Problem: (Its in ...
3
votes
2answers
253 views

Is enabling TRIM on an encrypted SSD a security risk?

I recently installed Ubuntu 13.10 on an SSD drive using the "encrypt the new Ubuntu installation for security" option. I wanted to enable TRIM, so was following the guide provided here. One step says ...
1
vote
1answer
71 views

Is there a way to encrypt my files without full disk encryption

I want to encrypt my files and folders without full disk encryption and encrypted volumes. Can anyone help me?
0
votes
0answers
37 views

Recover files in 12.04 version (encrypted)

I have a Ubuntu system installed with 12.04 version in which to start after some time the screen turns black. This happened after an upgrade. So I thought about running live-cd and recover my files to ...
0
votes
0answers
18 views

How can we enable dm crypt keeping existing data onto the disk?

Is there any way to enable dm crypt; keeping the existing data onto the disk partition?
0
votes
1answer
39 views

Encrypted home folder and programs working while screen is locked?

Is the home folder encrypted while the screen is locked and what happens with programs running in the background that need to access it if it is?
2
votes
1answer
1k views

Encrypted home partition + encrypted swap + working hibernate

I would like to set up disk encryption on Ubuntu 13.10 such that I have plain / encrypted /home partition encrypted swap partition working hibernation and resume As these requirements suggest, ...
0
votes
0answers
86 views

Note app with android client, tree structure and encryption? Seems like there isn't one for linux?

I'm looking for note taking (evernote like) program that - has android client compatible with it's db - offers tree structure and preview of the note in the same window (tomboy would have been perfect ...
0
votes
0answers
63 views

Basket Note Pads password and encryption doesn't work at all, is it just me?

When I right click and set password for a note, it accepts it, but then it never asks for it again. And the option to encrypt it with private key is grayed out. Both options are advertised on their ...
2
votes
0answers
205 views

What's the best practice for backing up encrypted Ubuntu home dir?

After installing Ubuntu 12.04 and electing to encrypt my entire home directory, I am now wondering what the best way would be to back up the data here. I backed up the rest of my file system with ...
0
votes
2answers
41 views

What sort of encryption is used? [duplicate]

What encryption is used in a default Ubuntu full hard drive encryption and is it possible to specify another?
0
votes
1answer
97 views

Ubiquitous Encrypted Communication [closed]

What existing ubuntu applications exist to send encrypted communications using common technologies like email, chat and VOIP?
0
votes
0answers
69 views

Encryption problem with Chromium

I recently re-installed Chromium web browser. Upon starting 'er up, the error box that appears says; `"Didn't sign in to Chromium," And the mouse click then takes me to the login page where after i ...
1
vote
1answer
157 views

Changed the user password, but now I can't access my encrypted folder

I changed my user password, but now I can't enter my encrypted folder when I login, I need to type ecryptfs-mount-private and type in the old password. I changed it from System Tools->Users and ...
0
votes
2answers
150 views

Easy Method to Encrypt a 500GB portable USB drive with True Crypt?

I have a 500GB portable USB drive with about 111GB free space. I followed the steps to make a container on the drive and set the container size to 500GB. I selected AES+Twofish+Serpent for the ...
0
votes
0answers
453 views

Unable to install busybox-initramfs

I tried to install 13.10 Server to 2x3TB HDD with the following partioning (RAID1 + encrypted root and home) 2 times to following: 256MB EFI-Boot 500MB /boot RAID1 0,95TB / RAID1+encrypted 2TB ...
0
votes
0answers
33 views

Upgrade Ububtu 12.04 x86 to x64 on a LUKS encrypted HardDisk

I want to install Ubuntu x64 without having to back-up everything to an external drive. What would be the necessary steps to mount the encrypted hard-disk during the installation? The rest should ...
0
votes
0answers
336 views

Decrypt Axcrypt encrypted file

I would like to un-encrypt files that I had previously encrypted with Axcrypt. There does seem to be a Linux version on their website, but when I run it, I get Windows related errors, and when I run ...
0
votes
1answer
110 views

What is the difference between mcrypt and scrypt?

From man mycrpt, I see that it is a tool to apply one of the algorithms (ciphers?) specified in mcrypt --list-hashes. Whereas scrypt is an algorithm in and of itself, so the tool can apply only that. ...
0
votes
2answers
83 views

How can I migrate from single-partition Ubuntu to dual-booting Ubuntu/Windows 8?

I am currently running 12.04 on a single partition, no encryption. I have some Windows-only software [*] that I need to run, so I want to migrate to a 13.10 (with full disk encryption) / Windows 8 ...
0
votes
0answers
263 views

Keyboard not working at Decryption Screen Ubuntu 13.10

Ok, before everyone screams duplicate, my scenario is unique because I've exhausted what options I can comprehend and there aren't any clear answers available. I feel it will valuable to have this ...
0
votes
0answers
113 views

Can't connect wirelessly to my WPA2 home network with v 13.10

I didn't not install Ubuntu 13.10 yet, I tried it on a live DVD 1st. Everything is working except my wireless connection to my WPA2-PSK home network with AES encryption. I can see my wireless home ...
0
votes
1answer
248 views

Extending a luks encrypted partition

I'm running Ubuntu inside VMWare with a luks encrypted root partition. I'm following Resize Encrypted Partitions (from help.ubuntu.com) and am stuck at step 11. ubuntu@ubuntu:~$ sudo lvresize -L +10G ...