Questions about encryption such as home folder encryption, partition encryption and file encryption.
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17 views
Full disk encryption with lvm2 fails after kernel update
I am running Ubuntu 12.04 with full disk encryption.
This was implemented as per the guide here:
...
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0answers
10 views
How to disable FIPS mode in /proc/sys/crypto/?
How can we correctly disable FIPS mode cryptography system wide?
I've read is enabled by default in /proc/sys/crypto/ which has inside in text "fips_enabled". Is this the only place in the OS that ...
2
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0answers
23 views
Does the Ubuntu Server iso support full disk encryption out of the box?
Does the Ubuntu Server iso support full disk encryption out of the box?
If no, what options do I have to do this out of the box with a stock ISO now that alternate got nuked?
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0answers
20 views
Sharing encrypted file between LibreOffice/Ubuntu and MS Excel
I recently started a research project at a local hospital. I need to build a database that involves some confidential patient data, which MUST, absolutely MUST, be encrypted. I could do this by ...
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1answer
24 views
Mount LVM encrypted partition on external HDD - Device /dev/sdc5 is not a valid LUKS device
Recently, my Ubuntu server was unable to boot on my 500Go HDD
I removed the HDD from my server case, put it in an external case, and connected it via USB to an Ubuntu laptop.
I have SSH access on ...
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0answers
20 views
Running apt-get upgrade without reconfiguring grub
I've got 2 disks, each of them including an encrypted LUKS system partition, in my system, each of them running Ubuntu 12.04 (one for private use, one for business use)
The problem is, if I am ...
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0answers
30 views
Install Ubuntu onto USB thumb drive with encryption and LVM
I would like to install Lubuntu 13.04 onto a thumb drive with encryption. I have two thumb drives, one live USB with Lubuntu which I plan to install from, and another 16GB USB that I would like to ...
0
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1answer
35 views
/boot partition out of free space on standard install of 13.04 [duplicate]
I installed Ubuntu 13.04 a few weeks ago as a fresh install on my laptop. 64 bit, using full disc encryption.
Suddenly this message appears when updating the software.
I looked in GParted, and ...
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0answers
24 views
encrypted drive in windows dosen't work in ubuntu
I encrypted(locked) my E drive in windows then i installed ubuntu 12.04
in ubuntu all the drives except the E drive is shown how shoud i bring my E drive in ubuntu
please help
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0answers
6 views
DMCrypt Passphrases
DMCrypt Passphrase Management
Is there any way we may have the DMcrypt passphrase managed centrally
using a Challenge response for >5000 clients?
I am looking at a solution which is closer to ...
0
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0answers
25 views
How frequently is whole harddrive encryption corrupted?
In my previous Ubuntu installations (now using 13.04), I have had problems with home folder encryption. I would shutdown correctly, startup correctly but it would frequently (upon signing in) tell me ...
0
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1answer
32 views
preseed with LVM and crypto fails with “An error occured while creating the keyfile.”
I am trying to set up a preseed installation that will automate most of the installation of a desktop computer with Ubuntu 13.04. Disk partitioning with LVM works fine, but I need to encrypt the ...
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2answers
44 views
For more security: overwrite empty disk space
I know it might seem a stupid question but I haven't come across any forum or post on the internet about:
- What does "overwriting an empty disk space" mean/do?
- Why doing that makes it more ...
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0answers
34 views
Encrypted swap no longer being activated at boot after removing and re-adding it
I have a Ubuntu 13.04 system using encryption for /, /home, and swap. This used to work flawlessly, but then I needed to resize the swap partition. After doing that, and manually trying to set it up, ...
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0answers
55 views
+50
How to make a fresh install while also creating new partitions and keeping encrypted home directory
How can a machine be securely migrated from "Ubuntu - single partition - home directory encrypted" to "Debian - separated partitions for OS and home, and maybe for swap too if that is an advantage - ...
0
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1answer
34 views
No command 'update' found, what should I use instead? [closed]
I had a problem while booting my PC, the same as this one: "The disk drive for /dev/mapper/cryptswap1 is not ready yet or not present" error at boot.
I tried with these instructions, but I'm stuck at ...
1
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1answer
50 views
Running truecrypt on ubuntu without root privileges
I have an encrypted trucrypt volume that I would like to mount from my university labs running Ubuntu 12.10. I do not have root permissions. I download the file
truecrypt-7.1a-linux-x86.tar.gz from ...
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0answers
16 views
encfs: Change standard mode
I use encfs and my colleagues use BoxCryptor. BoxCryptor has different settings and according to their support encfs shares can only be accessed with the following settings:
EncFS version >= 1.7
...
0
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1answer
58 views
You need a passphrase to unlock the secret key for user
From launchpad I have an email containing OpenPGP encrypted key. I received that email in gmail. But gmail wont decrypt it. Then I setup Thunderbird for gmail account and installed Enigmail for ...
0
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1answer
34 views
How does wifi connection open before I login?
When I'm on the lightdm screen, I notice that my WPA wifi connection becomes available.
This is cool, but somethings bothers me:
how does it happen while I did not login yet, so I did not provide my ...
0
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0answers
25 views
encrypted pendrive became inaccessible after Lubuntu upgrade
I have an ext3 formated pendrive encrypted. If I recall, I did it with the program cryptsetup. Then one day I upgraded Lubuntu from 12.10 to 13.04. Now it does not recognize my password. I have not ...
0
votes
1answer
40 views
What kind of cypher do Ubuntu uses on its full disk encryption?
One important thing that make me install 13.04 instead of the stable 12.04 LTS is the encryption of the installation. I want to achieve the same in Windows 7 with TrueCrypt.
I want to know what kind ...
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0answers
29 views
How to decrypt home folder?
how can I access my encrypted home from a live cd ? I tried mounting the system (and binding proc, sys and dev) and then chrooting into it, but when I 'su kristenbb', it says: 'open: permission ...
2
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2answers
54 views
Unable to login after changing User Password
My problem already listed in the forum but unfortunately it is closed and no satisfying answer available in that post. So, I am opening a new thread.
I am using ubuntu 13.04. I changed my password ...
1
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0answers
125 views
13.04 :: setting up hibernate + encryped swap under full disk encryption
So I recently installed 13.04 and chose full disk encryption (I didn't bother to encrypt home too - seemed pointless), and I'm wanting to encrypt my swap drive, and also enable hibernate so I can be ...
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0answers
33 views
Migrating encrypted LVM to a new SSD
This question is related to How to migrate an encrypted LVM install to a new disk but I couldn't post it as a comment on the answer. Help is appreciated.
Anyway, regarding the solution on the ...
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0answers
170 views
LVM initramfs boot problem: “ALERT! /dev/mapper/vgcrypt-root does not exist. Dropping to a shell!”
I followed the guide linked below to create a clean install of Ubuntu on a LUKS-encrypted partition. The only differences are that I used Ubuntu 12.04 rather than 11.10 and I made less LVs than that ...
0
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0answers
90 views
Dual-Boot failure with Grub (13.04 and 12.04)
I just installed ubuntu 13.04 alongside 12.04 and I'm not able to boot with it (I go straight to 12.04). I chose encrypt full drive and use EFI. In order to fix this, I think I should update grub or ...
1
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0answers
26 views
Password changed for no reason?
I'm having a problem logging into my computer. I have Ubuntu 12.04 and I am 100% sure I didn't change my password, although I tried typing it 100 times, it's not working.
I restarted the computer, I ...
0
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2answers
42 views
I'd like to encrypt all my partitions and drives, but I'm unsure GRUB will handle this nicely
I'd like to use TrueCrypt to encrypt my SSD (which has my / Ubuntu installation on one partition and some other things on another), and both of my HDDs (one has /home for Ubuntu and all of Windows, ...
0
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0answers
20 views
Creating an encrypted sparse image
On Mac OS X I had the option of creating an encrypted sparse image. I had this automount at boot and used it to store files that I wanted encrypted (tax documents, bank statements, or other personally ...
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0answers
34 views
Freeze during resume from disk (crypted swap)
I followed the tutorial EnableHibernateWithEncryptedSwap. I can suspend the system to disk via pm-hibernate to my crypted swap partition (which is big enough to hold the complete RAM). However, when I ...
0
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0answers
14 views
How can I remove the sda5_crypt function? [duplicate]
can I remove the encryption I set during the installation? It's called sda5_crypt and everytime Ubuntu 13.04 boots I have to insert the passphrase...
6
votes
1answer
368 views
Does encrypting the hard drive affect file sync with programs like Dropbox, Ubuntu One, Spider Oak, Insync, and others?
For the last few months I've been having a lot of problems syncing with two computers that I reinstalled and encrypted the drives. It is happening with all the programs I mention in the subject. Can ...
1
vote
1answer
69 views
How does user access for full disk encryption work?
When installing Ubuntu 12.10 and higher you get an option to encrypt the entire drive (not just the home directory). What encryption mechanism is used for this, and what kind of access permissions are ...
0
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1answer
47 views
Unencrypting a hard drive
I've mistankenly checked the 'encrypting hard drive' box during installation of 13.04. As a result every time I turn the laptop on, it asks for a password before I get to the users login screen. I ...
0
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0answers
125 views
Full disk encryption & boot partition from a CD
I would like to try enabling Full Disk Encryption under Ubuntu 13.04.
I would also like to put my boot partition on a burnt CD-R, rather than unencrypted on the HDD. A CD-R has a number of advantages ...
0
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0answers
28 views
Save data from Access-Your-Private-Data
I was trying to reinstall my Ubuntu without formating /home and after it I received
Access-Your-Private-Data and README.txt instead of my data
According to:
...
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0answers
50 views
SDA crypt asking for encryption password more than once during boot
The SDA crypt is working normally for the most part, though some boots cause me to have to enter the password multiple times to pass it. Ideas?
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0answers
23 views
cant boot due to encryption and hibernate
Recently I set up Ubuntu on my notebook (with an encrypted home partition) and had the glorious idea of enabling syspend-to-disk and suspend-to-ram, so i installed the package 'hibernate'.
Now I ...
2
votes
2answers
129 views
How to retrive encryption passpharase?
When installing Ubuntu I chose to encrypt my home drive and after installation update information window came up:
Where I had to write down encryption passphrase. Well I closed it and it doesn't ...
1
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0answers
179 views
Questions about full disk encryption
Completely new user here, I've been reading for a couple of hours about ubuntu's full disk encryption but I just don't understand some basic points.
When installing ubuntu's full disk encryption, ...
0
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2answers
106 views
Ubuntu 12.04: why could it not read DVD? (Encryption) [duplicate]
How to play commercial DVDs on lenovo t-500 laptop?
I have Ubuntu 12.04, all updates
Could not read dvd despite having restricted extras
I tried the following, but VLC does not play DVDs.
sudo ...
0
votes
1answer
99 views
Encrypt drive when installing Ubuntu 12.04 LTS
is there a way of encrypting your whole drive when installing 12.04 LTS like there is in 12.10 and 13.04?
Edit/Update: I didn't realize the Alternate install CD had this option. Problem solved.
1
vote
3answers
42 views
Could up-arrow key in terminal is a risk when encrypting using 7z?
We know that 7z can be used as an encryption method and that up-arrow key is used to see what commands and what tasks had done, so it can be use to reveal the password because in this case passwords ...
0
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1answer
29 views
Adding user with existing encrypted home
My system has separated /home partition which is encrypted. I did a fresh install with a new temporary user. Now, I want to add old_user back with existing encrypted home. Is it possible?
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0answers
26 views
Gnome Disk Utility: Cannot change passphrase
Specifications: Gnome Disk Utility v.3.0.2 running on 12.04 LTS on a generic AMD64 box used to partition a HDD interfaced via SATA and create the file-system. Options defined were the following: No ...
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0answers
51 views
How to update cryptsetup till version 1.6.1?
Hello current version of cryptsetup is not capable working with truecrypt partitions.
Versions after 1.5.x are capable.(http://code.google.com/p/cryptsetup/wiki/Cryptsetup160)
So here is the latest ...
2
votes
0answers
95 views
How to set up a bootable Truecrypt USB with Ubuntu on it?
Oddly enough, I haven't found the solution to this yet, unless I've misinterpreted the search results I've been seeing.
I want to encrypt a USB flash drive so that I can select "Boot from USB" on any ...
2
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2answers
1k views
Manual LVM encryption setup with Ubuntu 13.04
I am trying hard to get ubiquity works. The thing is that I want to setup Ubuntu 13.04 on a full encrypted LVM aside a Windows installation. So I can't use the default option of full disk encryption.
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