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

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Gnome encfs Manager not working in linux mint 17 [on hold]

I have installed Gnome encfs Manager in linux mint.It opens fine after first installation.But after that when I want to open it,nothing happens.But in system monitor I can see it running.
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12 views

How do I remove the password disk encryption? [duplicate]

At the time of installation I requested encrypt the disk with a password but want there to be no more password. How to change this?
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1answer
21 views

How to add new private key (OpenSSH) with multiple identities?

I have generated pair of both public and private key for one remote host. Now I want to add another private key in open format to connect via ssh to second remote host, but ssh denies connection with ...
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1answer
14 views

Encrypt second hard disk with same password

I installed Ubuntu 14 LTS with disk encryption (selected during installation). I have two questions: 1- What is encryption algorithm of current encrypted disk? 2- I have a second hard disk and I ...
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1answer
63 views

Can't access my encrypted home folder

My problem is the following: I decided to do an apt-get dist-upgrade. At first it said that it had to remove a lot of programs, which seemed a little suspicious, but I trusted the upgrade system. I ...
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12 views

Can't log in as user with encrypted home

I am running Ubuntu 14.04 from a flash, installed using UNetBootin. I can start the OS and do all the basic stuff. I created a new user with an encrypted home using the "sudo adduser --encrypt-home" ...
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15 views

Ubunt 14.04 Stuck on Boot screen Full Disk Encryption No Prompt

Ubuntu Will not boot. It will get stuck on a purple screen before asking for the encryption password. I thought it might be a video card issue so I booted in using recovery mode, and the console does ...
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0answers
19 views

How to boot encrypted windows partition

I have installed ubuntu 14.04 on a dedicated partition in my work machine. The Windows partition is encrypted with Symantec full disk encryption, and is not recognized by Ubuntu as Windows (and does ...
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40 views

How to tell what a PUA.JS.Xored actually is

Almost every time that I scan my machine with ClamAV I get some results reporting that there is this PUA in my browser's cache: PUA.JS.Xored And I understand that this is encrypted JavaScript of ...
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8 views

When I install loop-aes-utils, ntfs-3g and encfs are automatically removed

Ubuntu 12.04 When I install loop-aes-utils using Synaptic Package Manager, ntfs-3g and encfs are automatically removed. How come those packages are not compatible? I am trying encfs, and loop-aes ...
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2answers
54 views

Recover encrypted home folder after reinstallation

Yesterday I did a fresh installation of Ubuntu 14.10 over Ubuntu 14.04 and now I am not able to decrypt my home folder. I had two separate partitions: / and /home. I formatted my / partition but kept ...
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31 views

LUKS encrypted FS can no longer be mounted after upgrading Kubuntu

everyone! I fresh installed Kubuntu 15.04 these days but before I copied my /home partition to a encrypted partition on my spare HD. The problem is that I can decrypt it but cannot mount the LVM no ...
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1answer
30 views

User Home directory encryption - files that must remain un-encrypted like authorized_keys

Before we get to far, my question is: If this is the wrong way, or I'm doing it wrong, what is the right way? Pursuant to this howto: https://help.ubuntu.com/community/EncryptedHome So I see this ...
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16 views

Can't add intermediate cert to ca-certificates.crt via /usr/local/share/ca-certificates

On Ubuntu 14.04.2 LTS, I'm attempting to add an intermediate cert to the system's store of trusted CA certs. I installed the .crt file in /usr/local/share/ca-certificates, then ran ...
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1answer
18 views

Encrypted filesystem shared with Mac OS X

Is there a reliable encrypted filesystem that works under both Mac OS X and Linux? It need not be the boot partition for either Linux or Mac OS X, but I'd like stable reads and writes if possible. ...
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1answer
24 views

Delay mounts after encrypted home folder is ready

I have set up a few bind mounts in fstab, mounting one folder in my home directory to another (AeroFS no sym-link circumvent). My home folder is encrypted. When the system boots up, it attempts to ...
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33 views

chroot: failed to run command `/bin/bash' no such file or directory

i tried to install an encrypted ubuntu in a dualboot with this tutorial: How can I install Ubuntu encrypted with LUKS with dual-boot? But when i come to this point `sudo chroot /mnt` i get the ...
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71 views

Full Disk Encryption on Mac PC with EFI dual boot

Recently I installed Ubuntu Server 14.04 LTS on my Mac Mini late 2011 using the instructions in the article "Ubuntu + Mac: Pure EFI Boot". Now, I want to do dual boot in my Macbook Pro where I already ...
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14 views

bad or missing cryptswap

I have two drives, one is an SSD, the other is a HHD. I was running 12.x(or later after some DL updates) on both and had put a full disk encryption on both. When I encountered some issues with my ...
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1answer
50 views

Recovering Encrypted Home Directory With Ecryptfs - Passphrase not working

My computer recently failed and I'm now trying to recover files off my external SATA SSD via LiveUSB. I don't remember encrypting my computer, but I'm receiving the ACCESS_YOUR_.... file when ...
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0answers
9 views

can't set kubuntu encryption passphrase

When kubuntu (14.04) starts it asks me to set passphrase, I click "run this action now" it opens konsole, asks for passphrase, I enter it and... nothing happens. Konsole still is open and nothing ...
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2answers
71 views

Ubuntu 14.04 x64 encrypted home - signature not found in user keyring

Had some problems with my laptop a few days ago and I had to reinstall the system. I used the same password for the same user when I installed it and, after the installation finished, when I got to ...
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0answers
48 views

Recovering Encrypted Home Folder; Login Passphrase Not Working

I recently switched computers and need to access the files on my old SSD. It's fully Ubuntu and encrypted, I'm unable to access my private directories right now. I'm booted off a USB with my SSD in ...
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1answer
24 views

How do I know if my Google Talk conversations in Empathy is encrypted?

In Ubuntu 14.04, my Google Talk account integration is now part of the Ubuntu's Online Accounts. I don't see any "URLs" or mentioning of the protocols that it's using. How do I know if my conversation ...
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13 views

Generate decryption key for manual recovery

I'm new to Ubuntu. I'm just learning Linux now. I did try to find the answer first before posting, but could not. Got lots of stuff on encryption, but not the answer I needed. I installed Ubuntu ...
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30 views

ECDSA SSH Auth Always Fails

I am trying to use an ECDSA key for ssh on a vps, as I am trying to migrate from RSA toward more secure encryption protocols. I am running Ubuntu 14.10, and the server I am trying to connect to runs ...
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1answer
43 views

Why Does SSH Only Offer Two Pub Key Ciphers?

Perhaps askubuntu is not the best place for this question, however, this pertains to all linux systems, including Ubuntu. After the Snowden leaks, a lot of people have questioned the integrity of RSA ...
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1answer
138 views

Yubikey Two-factor Authentication Full-disk Encryption via LUKS

I recently acquired a Yubikey Neo - a nifty little hardware second factor authentication device. It's primarily intended for use with One Time Passwords, and the emerging U2F protocol - but since ...
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26 views

Can't get rid of sda5 partition

The other day I tried installing Ubuntu using the HDD encryption option. Something went wrong in the process and the installation failed, so I tried again, this time without encrypting. I discovered ...
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133 views

no video output before drive decryption

here's my system specs: CPU Intel i5 3570k mobo Asrock z77 extreme4 RAM 32GB GPU Nvidia GTX 760 Ubuntu 14.04 64bit 3x monitors I turned on the entire drive encryption while ...
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31 views

Ubuntu freezes after decryption screen!

Everything was working fine on my laptop, it always has... But when I restarted the other day, Ubuntu refused to do anything after the "decryption" screen (where you enter your password to decrypt the ...
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0answers
36 views

LUKS and loop device

I read a lot of tutorials about LUKS/dm-crypt/cryptsetup, in particular about how to create an encrypted file container. First step is to create the file with dd. Then some tutorials map the file to ...
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1answer
14 views

MiniDLNA or Mediatomb audio pause for about 4 secs during music playback

I have tried both miniDLNA and Mediatomb as dlna servers (installed separately, never both at the same time). I have a small Dell 1012 Mini (Intel Atom), running 14.04 (installed on an SSD). My music ...
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2answers
33 views

Can't overwrite swap

i have ubuntu desktop 14.04 LTS and i want to encrypt my 7.88GiB swap partition (sda6). Before encrypting i need to overwrite it, to make sure no important data is left on the partition. For this, i ...
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1answer
78 views

Can Ubuntu 14.04 use encrypted swap without resorting to unofficial hacks?

On a fresh install of Ubuntu 14.04, I get this error message during boot the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present and the swap partition is never activated. From ...
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1answer
34 views

KVM VPS and data safety

I'm looking into setting up a mail server (running Ubuntu, ofcourse), but I need it to run reliably (in case it's good enough to start using it instead of only Gmail) so I found a VPS provider that ...
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15 views

recommended encryption application for files/folders

Is there a recommended encryption app? I installed crytpkeeper but it won't run at startup. /usr/bin/cryptkeeper gives segmentation error. Thanks
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Laptop Won't Recognize Working Hard Drive

The drive works. I plugged it into my brand new computer and it worked just fine. I installed Ubuntu while it was plugged into my desktop. I encrypted the OS and my home folder. After I took it out ...
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22 views

Does cryptsetup encrypt FAT32 usb disks?

In disks utility, without installing cryptsetup, there is an option to format an external disk using LUKS/ext4. I want to encrypt a USB drive but I want it to be readable in windows (if I eventually ...
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1answer
83 views

parole player gives Gstreamer error when CD/DVD played in XUBUNTU

No matter which DVD or CD I try to play using parole player in Xubuntu. I get the following error for CD's :Could not handle CDDA URI:GStreamer backend error : And the following for DVD's: Could not ...
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20 views

LUKS encrypted file & access permissions

I have a storage file accessed over Internet, mounted like a normal loop though sshfs. On the computer the file was created (MAC with Virtualbox w/ Trusty) I can access it and its content w/o any ...
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1answer
54 views

“Encrypted Home Directory” feature in 14.04

Good day to all, I installed OpenCV 2.4.10 to my Ubuntu 14.04. I followed all the steps in installing OpenCV according to Sysads Gazette. The last step after installing OpenCV requires to reboot the ...
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1answer
264 views

Ubuntu Additional Drivers won't install flgrx [duplicate]

I installed Ubuntu 14.04.2, a fresh install. Additional Drivers won't install the AMD flgrx proprietary drivers. I clicked on the radio button, pressed apply changes, and then the button just goes ...
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1answer
239 views

What is “/dev/mapper/ubuntu--vg--root”?

I installed Ubuntu 14.04 recently. During the installation I did not create a separate partition for my home folder. I also accidentally encrypted my home folder. When i did sudo df I got the ...
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33 views

Getting “No key available with this passphrase.” when trying to add a new LVM encryption password

I am getting "No key available with this passphrase." when I try to reset the password for the LVM encryption on my Ubuntu box. I have tried the following commands: sudo cryptsetup luksAddKey ...
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0answers
26 views

How to create an encrypted ubuntu instalation on a usb key with support for both UEFI and BIOS?

I am trying to create a usb key with encrypted ubuntu on it, that could be booted on both UEFI and BIOS machines. Aiming for Ubuntu MATE. I am using a virtualbox vm that boots in efi mode to live ISO, ...
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1answer
46 views

Change eCryptFS mount options (remove nosuid)?

Is there a way to modify the mount options for an encrypted home partition on Ubuntu, specifically to remove the nosuid option? Relatedly, is removing nosuid likely to cause any difficulties mounting ...
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Solved - Massive filesystem corruption after latest update on LUKS encrypted drive

I booted my machine this morning and was greeted by a busybox shell. I booted from a live USB, mounted the drive with cryptsetup, but when I try to open it it says my ubunutu--root-vg has an ...
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3answers
62 views

Full Disk Encryption + Home folder encryption needed? Wouldn't Full Disk Encryption get the Home folder anyway?

I'm reinstalling Ubuntu, and want to do full disk encryption. After selecting it, I'm given a choice to also encrypt the Home folder. Since Ubuntu doesn't use a separate partition for the Home folder ...
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35 views

Removing the encryption password at boot

This question has been asked a lot, but I still don't know the answer to it. Is there a way to remove the password at boot? I have processes that start up when the computer boots up, and when have to ...