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

learn more… | top users | synonyms (1)

3
votes
3answers
316 views

Encrypt USB That Is Compatible With Windows

I want to encrypt a USB stick, and be able to decrypt it on Windows as well as Ubuntu. How do I do this & what programs do I need to use?
0
votes
0answers
11 views

USB Keytoken, Network Drives, and Encryption

(Note to site owners: What is your policy on cross-posting from another forum such as ubuntuforum. The following has already been posted there but without a satisfactory answer in over three weeks.) ...
16
votes
4answers
19k views

Use (Windows) BitLocker-encrypted drive on Ubuntu 14.04 LTS

How could I mount my BitLocker encrypted drive on Ubuntu? I have checked the Wine website, and it had no BitLocker support, and I have no idea how to install Dislocker on my computer. I can not ...
0
votes
0answers
10 views

GCM-AEAD support for ubuntu system running linux kernel-3.10

I am trying to implement a AEAD sample code for encryption Using GCM encryption. But I always get invalid argument error while setting the key static int init_aead(void) { printk("...
0
votes
0answers
16 views

encryption with multiple keys

I was wondering if key splitting (also known as secret splitting or secret sharing) is possible with ecryptfs or Ubuntu in general. I know that it is possible to have multiple keys which can all ...
0
votes
2answers
40 views

How safe is luks?

I constantly think about encryption, and how safe it might be. The general information I have tends to be secured by passwords that range in the hundreds with random key combinations in between random ...
0
votes
2answers
207 views

“sudo ecryptfs-recover-private” gives “find: ‘/run/user/1000/gvfs’: Permission denied” after botched (?) upgrade

EDIT 1: I reinstalled 16.04 having booted through the CD but with the HDD installed, now I can read the "readme.txt" and I can click on the "access-your-private-data.desktop" and it seems to run for a ...
5
votes
0answers
48 views

Recover Ubuntu 14.04 Encrypted Install

I have an encrypted install (Full drive, not only home directory) of Ubuntu 14.04 on a 1TB SSD. I do know the passkey to unencrypt everything. It's just a matter of finding the files now. Here's what ...
0
votes
0answers
12 views

Encryption enabled on Ubuntu Snappy Core

Is there any kind of encryption enabled by default in the latest Ubuntu Snappy Core release? Is the home dir encrypted? or other locations?
2
votes
2answers
43 views

Is it insecure to to have a password on the clipboard?

So I've been using truecrypt for several years now. About 6 months ago before I learned off my password (it was really long and I didn't want it vulnerable to word-lists) I used to copy and paste it ...
1
vote
1answer
84 views

GnuPG still 1.4.16 after 2.1.11 installation

I have followed the steps in an tutorial to install GnuPG 2.1.11 (even found an error with libgpg-error version, but corrected it). Even so, when I do a gpg --version, the system response is: gpg (...
0
votes
0answers
31 views

Ubuntu 16.04 - Trying to disable home folder encryption

I am trying to disable the home folder encryption on my Ubuntu 16.04. I followed this tutorial, but unfortunately something went wrong: http://www.howtogeek.com/116179/how-to-disable-home-folder-...
0
votes
1answer
25 views

Best backup approach for a USB drive [closed]

I'm currently using the grandfather, father, son approach to create backups of my everyday usb drive which I always carry around with me. The full drive is encrypted using dm-crypt and I use dd to ...
2
votes
0answers
67 views

How is Ubuntu 16.04's Whole-Media Encryption done?

I would like to have an Encrypted whole-media Persistent Live USB Ubuntu 16.04. I can create a persistent live Ubuntu 16.04 as described in the thread How to Make Persistent Live Ubuntu of 16.04? ...
0
votes
0answers
32 views

How do I fix: PHP Fatal error: Call to undefined function Illuminate\\Encryption

PHP Fatal error: Call to undefined function Illuminate\Encryption\mcrypt_get_iv_size() in /var/www/html/application/vendor/laravel/framework/src/Illuminate/Encryption/Encrypter.php on line 303 I am ...
0
votes
0answers
39 views

Question about SSD's failing? Unable to mount partition during install?

I recently bought a Samsung 850 Pro 256GB from Amazon. First thing I do on every device is use openssl to write random AES information to the entire drive openssl enc -aes-256-ctr -pass pass:"$(dd ...
12
votes
1answer
7k views

Encrypted Home… Forgotten Password, but no Passphrase

I am using a cloned hard drive in attempts to restore some old files. The cloned drive has 2 users, one with an encrypted home drive, one without. Both are administrators. When I couldn't get into ...
0
votes
1answer
101 views

Installing Ubuntu 16.04 with home encryption on a NVMe SSD

On a Thinkpad X1 Carbon 4th Generation installing Ubuntu 16.04 with home encryption enabled I ran into the same problem as described here: After new Ubuntu 15.04 installation, startup asks for ...
0
votes
0answers
8 views

Migrate crypt-luks disk with also encrypted home

I have Ubuntu 14.04.4 on my machine and used crypt-luks to encrypt the harddisk. Plus (I now know that was not the best idea) my encrypted home-directory. I now bought an additional SSD drive and ...
6
votes
4answers
231 views

How do I add myself back in sudo group in Encrypted HDD of 16.04 with Strict Security Policies?

I know the threads How do I add myself back as a sudo user?, Mounting encrypted LUKS partition from Live CD, ... This thread is about how to add a sudo user back without root and other strict security ...
2
votes
1answer
31 views

How can I encrypt all my internal drives on install and mount them at start?

I have more than one physical hard drive in my computer and I want to encrypt them all on a new installation of 16.04, so that no data can be read from outside the operating system. However, it is ...
1
vote
0answers
24 views

What is the preferred way to store secret data on Ubuntu touch?

I am developing an Ubuntu Touch app which shall connect with an e-mail server. However, I do not know how to store the password so that it is safe, for example from abuse by people buying used phones ...
0
votes
1answer
29 views

Why doesn't Ubuntu/Thunderbird save my PGP key?

I installed Thunderbird and followed the instructions from: https://help.ubuntu.com/community/GnuPrivacyGuardHowto to set up PGP. First it worked, but after restarting my system the next day, I wasn'...
2
votes
2answers
11k views

installing ubuntu with full disk encryption including encrpyted boot on i-USB Pendrive ii-A regular HDD

Hi how to install Ubuntu 12.04+ with full disk encryption including encrypted boot partition : a- to a USB drive ie. 16GB or 32GB b- to a HDD
0
votes
0answers
42 views

How to view Ubuntu files through Windows?

So, this question is probably not what you think. Basically, I successfully mounted my Ubuntu partition to my Windows 10 partition, and I'm able to see my drive. However, whenever I try and find ...
0
votes
1answer
31 views

How can I setup an encrypted home directory or encrypted disk using TPM?

I'm running Ubuntu 14.04 on a Dell computer that has TPM. I need to protect the files in the home directory in case the disk is removed from the computer and plugged into another computer, ...
2
votes
0answers
26 views

How to encrypt my hard drive so that it can be opened in Windows, Linux, and Mac OS? [closed]

I need to encrypt my external hard drive in such a way that it can be read across OSes. It seems that TrueCrypt was a cross-platform solution, but the software has been declared unsafe to use by its ...
0
votes
1answer
128 views

Won't boot (drop to busybox) after kernel upgrade (with encrypted disks)

I have two systems - a 14.04.03 LTS and 16.04 LTS, both of which are not booting after recent kernel upgrades. Any help would be appreciated - I'm no expert, but it seems to me like the new kernel ...
0
votes
2answers
42 views

GnuPG generating public/private key pair where public key and Private key are same and not different

I want to generate GnuPG public private key pairs. I have gpg and not gpg2 installed.So I went to terminal and did: gpg --gen-key output: Please select what kind of key you want: (1) RSA and ...
0
votes
1answer
187 views

Using ubiquity for the Full disk encrypted install to disk on /dev/sdb instead of /dev/sda

Last week I got a brand new Dell M3800 for work with Ubuntu 14.04 preinstalled. However, since the company has a disk encryption policy I needed to reinstall Ubuntu with encryption enabled. However ...
2
votes
1answer
54 views

How to move GRUB from the MBR to another partition?

So, I'm fairly new to Ubuntu. My current set-up is dual booting Windows 10 and Ubuntu, what I want to do is move the GRUB from the MBR to another partition so I can encrypt the Windows 10 partition ...
2
votes
0answers
59 views

Encrypt folders with a nice gui

I am currently using encfs 1.7.4 with gnome encfs manager 1.8.17 to encrypt my confidential files. This manager has quite a nice gui that allows me to quickly mount available (previously mounted) ...
2
votes
0answers
35 views

Why is ubuntu installer failing to create and mount encrypted partitions?

Before running ubuntu 16.04 installer I made myself a simple partitioning scheme for encrypted home, encrypted /, and encrypted swap. After selecting the proper settings in the "installation type" ...
0
votes
1answer
151 views

Why I can't login without a password in my encrypted account?

I have an encrypted disk, and I get asked for a password before reaching the login prompt, then again to log in. As I have only a single user account, the password to which is the same as my disk ...
5
votes
2answers
49 views

Where do I store my private keys?

I have one GPG Personal key, two SSH RSA keys, and one Machine Owner Key. What would be the best way to keep them safe if I don't want to take them off my hard drive?
4
votes
1answer
39 views

Will my Ubuntu still work when I move my encrypted SSD to a replacement laptop?

I might have to replace my laptop that's running Ubuntu 16.04 from its SSD. The drive is encrypted, and so is the home directory. If I get a replacement laptop of the same model I would expect just to ...
2
votes
0answers
35 views

Lost Password in Ubuntu 16.04 [duplicate]

I installed Ubuntu 16.04, encrypted home directory. Jotted down system info including password, etc., in a document which will presumably be in /home/mike/somewhere. Hadn't printed the file to ...
0
votes
0answers
33 views

Open LUKS encrypted disk with only password

My PC has 2 disks: SSD: Ubuntu with LUKS encryption HDD: My files with LUKS encryption (same password) I installed new Ubuntu on SSD and now I want to open my HDD in it but when I enter password ...
0
votes
0answers
28 views

Scrambled phonecalls on bluetooth car kit using Ubuntu phone

All right so I have a problem using my phone in combination with my Bluetooth car kit. What I can do: Connect to car kit Listen to music See my contacts See my incoming/outgoing/missed calls list ...
0
votes
0answers
25 views

Encryption failed and unable to wipe hard drive

My encryption failed on one of my laptops; now it believes the caps lock is on, and the arrow keys don't work. My only option looks like*Ubuntu in GNU GRUB. I have a CD to nuke it and a bootable USB w/...
55
votes
5answers
92k views

How do I quickly encrypt a file with AES?

I want to encrypt a file using AES-256. How can I do that quickly and easily, and how can I - or someone else -decrypt it again?
2
votes
0answers
76 views

terminal access and swap issue on lubuntu 16.04 install on HP mini 1000

My goal is to install an encrypted Lubuntu partition on my HP mini. I am trying to install Lubuntu 16.04 i386 (downloaded direct from ubuntu.com), onto an HP mini 1000 (model 1116NR with 16GB ...
3
votes
1answer
169 views

How to use snapshots with BTRFS in Ubuntu along with a separate HOME partition

My goal is to make snapshots while upgrading software. I installed Ubuntu in LVM partitioning with a separate HOME partition in another HDD formatted in XFS ("/" in BTRFS), but I'm trying to follow ...
0
votes
0answers
37 views

How to install Ubuntu onto an OS X bootable and encrypted USB stick?

Im trying for now 3 days to install Ubuntu Desktop on an encrypted USB stick that is bootable by OS X. Preface: I tried it several times, destroyed 3 OS X installations, x Ubuntu installations and ...
0
votes
0answers
20 views

Booting with splash (Plymouth) only asks for one password, but multiple without spash?

OS: Ubuntu 16.04 desktop Kernel: 4.4.0-22-generic /: luks encryption, ext4 /home: 2 drives, luks encryption, zfs mirrored I'm interested what Plymouth does that causes this behavior. Basically I ...
1
vote
0answers
34 views

Is cryptsetup required to unlock fully encrypted disk?

I was running into an issue after upgrading from 14.04 to 16.04. Following an answer, I ran in the root shell: apt-get remove plymouth Yet cryptsetup requires plymouth and it would have been ...
0
votes
0answers
25 views

Boot issues on Lenovo ThinkPad T520

I've recently installed 16.04 x64 on this laptop I received. Installation worked fine, installed with disk encryption. First few boots are problem free, but it has started to randomly have this issue ...
2
votes
0answers
24 views

Whe choosing full disk encryption at installation, what method does Ubuntu use to erase the unused parts of the drive?

Does anyone know how Ubuntu secure erases the drive as part of encrypted installation? I have this doubt that if the majority of the disk is zeroed, one might be able to predict the contents of parts ...
0
votes
1answer
36 views

Help to recover personal files from encrypted Home folder, Im on USB live USB

I need help to recover my files from "Home" in an encrypted partition with Ubunu 14.02 (I went with the encryption option from the installation). I couldn't boot normally on that system (normally ...
1
vote
1answer
36 views

Grub 2 crypto modules prompt issue

I am using grub2 on an mbr disk (not EFI) to boot Xubuntu 16.04. I have sort of a specialized setup, as follows: /dev/sda - MBR - Grub2 installed /dev/sda1 - ext2 - /mnt/boot /dev/sda2 - extended ...