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

learn more… | top users | synonyms (1)

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
76 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
61 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
181 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
37 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
95 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
67 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
139 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
140 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
406 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
194 views

Black screen after installing Ubuntu 13.10 from USB (Encryption used)

I am attempting to install Ubuntu 13.10 encrypted, but I am having trouble doing so. Steps followed to reproduce problem: Boot from a Live USB made with the UUI from Pendrivelinux.com. This same ...
0
votes
0answers
310 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
96 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
81 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
252 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
112 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
205 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 ...
0
votes
0answers
269 views

Reinstall ubuntu 13.10 encrypted LVM

I installed ubuntu Completely over my Laptop. With an encrypted LVM Volume,so for every reboot I type in my passphrase. Now is my question: How can I reinstall Ubuntu without deleting my Home ...
0
votes
0answers
36 views

How to setup a system for easy reinstall, savety, easy handling with full disk enryption?

4TB Drive, lots of data, not all of it will be backuped later but is still important. I like to be able to reinstall ubuntu over it without losing the data. Should I have 2 Partitions inside one ...
0
votes
1answer
55 views

recover encrypted folder content after format

So i made a backup of my HOME folder before i formatted my computer. Now i am trying to access the files in my encrypted private folder but with no luck. What are the commands that i should run in ...
0
votes
1answer
45 views

how to store data on a “secure” place so that nobody can access to it

I am building a "Kiosk-Computer"-Terminal for my client. At the moment the "Kiosk-Mode" is accessing into Ubuntu with the guest-user, this is enough for my costumer at the moment. ( btw. if somebody ...
0
votes
0answers
41 views

make 'invisible' folder for cryptkeeper

Is it possible to hide the folder I am using for cryptkeeper? Ok, you don't have access if not supplying the password but I don't want the folder to be visible.
0
votes
0answers
18 views

How to improve seperate root and home model by encription?

I use separated partitions for home and root dirs. It satisfies me well, i can easily reinstall OS if I need and not touching whole home dir. This was enough because so far I didn't have to encrypt ...
2
votes
0answers
271 views

Ubuntu 13.10 with encryption installed manually won't load on SSD

I want to install Ubuntu 13.10 on my new SSD drive in laptop. I have no other OS and want to use whole disk for Ubuntu installation. However, I've read that it's best to leave some unallocated space ...
0
votes
0answers
92 views

Discard option in crypttab and security problem for encrypted SSD

Why enabling the discard option in crypttab is a security risk ? I understand that unused areas will be replaced by zero. And this way, the NSA ;-) will be able to deduce what part of the hard disk ...
0
votes
1answer
58 views

How can i know whether the LUKS is using passphrase or key file for authentication purpose?

Lets an example, i have a Linux partition /dev/sda6 and already encryption been enabled with DM-crypt (cryptsetup) tool. As i know dm-crypt can have two way of authentication like with key file or ...
0
votes
0answers
220 views

crypttab syntax for luks container with key file or passphrase

I am able to boot either by using a usb-key, or a passphrase. But I would like to have both methods available on boot. I would like that after a timeout, if no usb-key is plugged, the system on boot ...
1
vote
1answer
68 views

How to re-download unauthenticated packages

I live in egypt. we have a country specific server here. I used to download everything from there. but when I got to download encryptfs, synaptic said the package could not be authenticated, so I ...
1
vote
0answers
58 views

Mounting/accessing other encrypted home directories at boot on triple-boot system

I am looking to triple boot, windows 8 (for legacy stuff), ubuntu 13.10, and a 2nd, light linux distro. Older computer, VM for 2nd distro won't cut it) I want to use encryption but can get by with a ...
0
votes
0answers
58 views

luks dev mapper

Can someone tell me why is blkid returning different results from what I can see in /dev/disk/by-uuid ? AM I missing something obvious or is this simply bug ? root@db01:~# blkid /dev/sda1: ...
0
votes
0answers
129 views

luks device disappears after reboot

I'm trying to configure LUKS encryption to load on reboot automatically. These are the steps I follow: These are the steps I followed which work perfectly fine on my vagrant box: root@db01:~# ...
2
votes
1answer
33 views

How do I encrypt my drive during installation?

How do I encrypt my drive on ubuntu? I was told that during the installation there would be an option to encrypt my drive, this was never offered.
1
vote
1answer
237 views

Dual boot on mac with osx system drive encrypted by file vault?

I have macbook pro and the system drive is encrypted by filevault. I would like to cut a chunk from that system drive for Ubuntu. How should I proceed? Does encryption need to be removed first and ...
0
votes
0answers
69 views

Dual boot with windows on an encrypted drive, any problems?

I have Windows 7 at the moment and the whole system HDD is encrypted by TrueCrypt. I would like to make new partition on that drive install Ubuntu there and encrypt it as well. At the moment the ...
0
votes
0answers
219 views

crypttab syntax for luks container with key file

What is exactly the syntax of /etc/crypttab for a key file please ? sudo cryptsetup luksOpen UUID=<...> test --key-file /home/gaucher/testkey does open the luks partition. But, if I add the ...
1
vote
0answers
76 views

Problem with cryptdisks-udev service

I am getting an error when I run 'puppet resource services' that complains about the cryptdisks-udev service. The exact error message is as follows: status: Unknown parameter: DEVNAME The error ...
0
votes
0answers
61 views

Is it possible to install Ubuntu (or other distros) to existing encrypted lvm by gui?

I have a dual boot system with Ubuntu on an encrypted lvm and an unencrypted(obviously) boot partition. I messed up the system bad and have the idea of replacing it with a another close distro, but ...
0
votes
0answers
103 views

How to encrypt SSD and HDD

I have a computer with an SSD for the system and an HDD for data. I want to encrypt both of them. Is the following configuration correct? SSD size: 20 GB | HDD size: 40 GB And what is the correct ...
2
votes
2answers
184 views

What is meant by “no password set” for root account (and otthers)?

Several years back, we were more accustomed to changing to the root account using the su command. First, we switched to the root account, and then executed those root commands. Now we are more ...
0
votes
1answer
78 views

Go back to windows?

ok so heres my problem... When i installed Ubuntu i encrypted everything for security reasons but now i need to switch back to windows and i cant boot from CD or when i boot the CD in Wine it says... ...
0
votes
1answer
332 views

Easy encryption program ubuntu for ubuntu 13.10

Hey i am searching for a program that can add a password too a folder with just right mouse click i am really lazy i already know there are lots of encryptions program but which one integrate well ...
0
votes
0answers
27 views

Encrypted Computer, Failed Upgrade

I recently installed Ubuntu 13.04 and when asked if I wanted to encrypt everything via the easy, automated process, I said yes. Flash forward two months, and I was asked whether I wanted to upgrade ...
0
votes
0answers
29 views

Ubuntu 13.04 Encrypted Hard Drive Issues [duplicate]

Ok, so I had Ubuntu 13.04 with an Encrypted Harddrive option installed on my laptop. I accidentally deleted important GRUB data trying to make more room in the boot folder i think? So the computer ...
0
votes
0answers
181 views

Missing /home folders after installing Ubuntu 13.10 over previous LVM'd linux OS

I have just installed Ubuntu 13.10 onto a system that's had various flavours of Fedora, then Debian on it. It has also been dual-boot with Windows 7 for a couple of years. I had been using LVM with ...
-1
votes
1answer
133 views

How to revoke gnupg public key without private key?

Long story short I have an key generated with seahorse and mistakenly deleted it from my system. I do remember passphrase but I don't have this key anywhere on my system. Scanned trough Ask Ubuntu but ...
0
votes
0answers
36 views

Segmentation fault (core dumped) in mkpasswd

I want to generate password using Blowfish Encryption method. i have used mkpasswd-ratbox command. Here is it: mkpasswd-ratbox -b -s 3dr -p test but it returns the message "Segmentation fault ...
0
votes
0answers
29 views

Ubuntu LTS 12.04 Shutting down issues

i assigned an encrypted folder on ubuntu 12.04 LTS during the installation process, and (i suppose it's because of that) when i try to shut it down it never really shuts down, it stays in 'shutting ...
1
vote
1answer
1k views

grub-efi-amd64-signed failed on LUKS encrypted disk

Am I doing something wrong installing using LUKS in dual boot? I've got a dual boot system with Win 8 installed, I'm re-installing ubuntu 13.10 along side to enable full disk encryption, following ...
0
votes
0answers
49 views

Encrypted usb stick not booting anymore how can I resolve the Disaster

Guys I am experiencing massive problem here. I created a bootable usb stick that I "full disk" encrypted with Ubuntu 13.04. I was using it when it froze. I had to reboot it manually and now I cannot ...