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

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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 following article "Ubuntu plus mac pure efi boot" instructions. Now, I want to do dual boot in my Macbook Pro where I ...
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5 views

bad or missing cryptswap

I have two drives, one is an SSD, the other is a HHD. I was running 10.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
24 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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5 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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1answer
28 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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22 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
16 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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12 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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17 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
35 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
60 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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25 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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131 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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21 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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26 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
11 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
31 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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64 views

Add VeraCrypt bootloader to GRUB/GRUB2/BURG?

Its my first question so i hope i did everything right ;-) This is my situation: I have 2 Harddrives, one with windows 7, one with ubuntu 14.04 and burg bootloader. I had my bios set up to boot from ...
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1answer
63 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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10 views

Using the AES FDE of the Samsung Evo 840 or Encrypting home folder while logged-in [duplicate]

Currently, my laptop is completely unencrypted, which I would like to correct soon. I installed a Samsung EVO 840 SSD in my laptop, a week ago, and it was advertised with Full Disk Encryption. ...
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1answer
24 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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12 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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16 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
48 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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17 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
44 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
175 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
93 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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24 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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25 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
43 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
49 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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32 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 ...
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30 views

Samba file sharing with windows and encrypted

I have a ubuntu machine and I want to setup a samba server on it so that I can access the files from my windows laptop. My windows laptop and ubuntu desktop are connected through a switch. The desktop ...
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1answer
79 views

How should I encrypt Ubuntu Server 14.04 with AES on RAID 10 and RAID 5?

After researching I've come to the conclusion that my set up is just not standard enough to have a direct answer floating about on the interwebs. My Hardware: i7 950 CPU 24 GB DDR3 7 2TB 7200 RPM ...
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88 views

Unable to boot to encrypted root partition after Ubuntu 14.10 upgrade

I am running a Lenovo T440p with a clean install of Ubuntu. No dual booting. Over the weekend I upgraded from Ubuntu 14.04 to 14.10. There were some package install errors that led to Ubuntu being ...
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1answer
36 views

Mounting an encrypted server

Everything I've found on this is either how to encrypt a mounted drive, or not to do with servers. I have an ubuntu 14.04 server which I am trying to mount as a network share onto my 14.04 desktop so ...
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37 views

Windows partition encrytped ,unable to boot from grub menu

I added a window 7 entry to 40_custom under /etc/grub.d . The windows entry appears in the grub menu after a grub update , but when I click on the windows option, I get an invalid signature . I used ...
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2answers
256 views

Ubuntu 14.04.2 cryptsetup failed on boot

I decided to reformat my hard drive and install a clean copy of the newly released Ubuntu 14.04.2 with full disk encryption (incl. LVM) and I chose a strong password with special characters which ...
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1answer
37 views

How to encrypt folder once, for sending?

Most encryption programs seem to be made for encrypting a folder permanently. I, however, simply want to encrypt a folder once and send it as an email attachment to someone. I feel like TrueCrypt, ...
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22 views

problem with : the disk drive for /dev/mapper/cryptswap1 UBUNTU 14.10 [duplicate]

i have this problem, when i turn on my compurter , : the disk drive for /dev/mapper/cryptswap1, is not ready yet or ..... contiunue to wait or press M, for manual ... on UBUNTU 14.10 Any help? ...
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1answer
31 views

Unable to log into encrypted root drive after running virtual machine

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux ...
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83 views

14.04 encrypted disk lost all logical volumes after apt-get dist-upgrade

EDIT 2015-02-24: Now it's time to wrap up what happened, what is still missing, what I know and don't know, what I learned. * I've not been able to recover the logical volumes yet - any help is ...
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1answer
31 views

Hard drive not recognized after install

I have a Dell Laptop (Vostro 3500) and tried to install Ubuntu 14.10 64bit on it. It came with Windows 7 installed on it. So I try the install from a live CD, I select both full disk encryption and ...
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Connect to my computer via ssh and login in the encryption screen [duplicate]

I have a small question about how to login into my computer at work. I have a vpn connection and it works properly, however I had to reboot my machine and I have encrypted my desk, which means I have ...
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1answer
220 views

After upgrade to kernel 3.16.0-30-generic I cannot use the keyboard

After installation of 14.10 and the "automatic upgrade" of the kernel to 3.16.0-30-generic from 3.16.0-23-generic I cannot use my keyboard to enter my passphrase for decrypting my physical drive. ...
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71 views

Repair broken encrypted home

I've ran into following problem. I have split my disk into two partitions, one for / and one form /home. I've also encrypted /home. One beautiful day ubuntu reports upon boot some broken files, ...
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59 views

ImportError: No module named charm.toolbox.pairinggroup

I am trying to run this python file which uses charm cryptography library...but i am getting this error ImportError: No module named charm.toolbox.pairinggroup Below is the code which i try to ...