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

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1answer
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Problem accessing external Ubuntu encrypted disc from Mint

First post as it seems I'm in a difficult position. So I used to have a Ubuntu 14.04 system which crashed, meaning that it consistently tries to login after entering credentials, but nothing happens ...
3
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0answers
2k views

16.04 Nvidia proprietary driver problems

On 16.04 xubuntu fresh install, I have an Nvidia Gtx 980 and an apple 30" 2560x1600 display, after installing proprietary nvidia drivers, I get two problems, the first, I can't log in during the ...
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0answers
37 views

High temperatures from sensors on Asus Zenbook UX501 VW

I bought a new laptop: Asus Zenbook UX501VW, i7, 24GB RAM, 512 SSD, Intel Graphics + Geforce 960M. sensors returns this: acpitz-virtual-0 Adapter: Virtual device temp1: +65.0°C (crit = +103....
0
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1answer
17 views

How to encrypt file or blocking access to file and only execute apache?

My operating system is ubuntu server 14.04. I want to encrypt /var/www folder. I've tried for blocking access to file with chown -R www-data /var/www and chmod 700 commands. Any unix user can not open ...
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0answers
28 views

accessing encrypted volume

i have hp pavilion g6 with AMD processor. i had win 8.1 installed on it and i had encrypted an volume from win 8.1. when i overwrote win7 on it my pc is not working and even hard disk is not shown ...
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0answers
23 views

Permission denied when accessing encrypted directory

I wanted to encrypt a directory and I followed the steps on the FolderEncryption page on help.ubuntu.com I installed encfs, then to create the directory I typed: sudo encfs /.encrypted /rypted I ...
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0answers
19 views

Automount encrypted drive in fstab

I have a internal hard disk that I want to mount. Standard methods to mount it once (click on the access-your-private-data, run ecryptfs-mount-private) did not work, so I managed to mount it manually ...
2
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1answer
731 views

Ubuntu full disk encryption with encrypted /boot

I'm trying to setup a full encrypted disk with a separate /boot partition and I'm having some troubles. I'll write down the procedure I've been following on a Ubuntu 15.04 Live DVD session. Fill ...
0
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1answer
10 views

Communication between Host and Server with completely different sshmac/sshcipher

I have a little bit idea about sshcipher and sshmac. Recently i got to know that to change sshmac and sshcipher , we need to update sshd_config with required cipher/mac. Now the question here is : ...
2
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2answers
53 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 ...
3
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0answers
29 views

how to move files from an encrypted home to a new one?

Yesterday I have recovered (not reinstalled) Ubuntu 16.04 in the same partition of my old home, so I created a new home with a different name, a new password and a new passphrase . I have lost all the ...
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2answers
402 views

telegram with secret chats

What is the best way to run telegram on linux with support for secret chats? This is what I tried already: run telegram desktop - works very well but no secret chats feature pack android telegram ...
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4answers
35k views

How secure is an encrypted LUKS filesystem?

I recently installed 11.10 on a fresh disk using entire disk encryption. Can someone tell me how secure the encryption algorithm is? Has there been any recent breaches with said algorithm? I use a ...
0
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0answers
16 views

LUKS encryption question

If I set up my partition table, and decide against using a keyfile, do I need to update /etc/crypttab and /etc/fstab? What would the appropriate way to do this?
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0answers
10 views

recover data from device that requires a DRM key

I have an ancient Linux box, that has a specialty program on it. the PC has faulted recently, and I'm not sure that I can repair the hardware. The bios loads an encryption key from a separate USB DRM ...
0
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1answer
327 views

Remove Bitlocker encryption on Ubuntu 16.04

How to access bitlocker encrypted drive in Ubuntu 16.04? Dislocker utility worked in 14.04 but a package which dislocker depends libpolarssl is missing in 16.04. Is there any workaround or any other ...
0
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0answers
12 views

Restoring backup from another installation and myy Encryption Password for Dejadup does not work. Why, and what do I do?

I recently reinstalled Ubuntu. I was running Ubuntu MATE and decided to scale down to a stripped down version. I backed up all of my files to an external HDD and took a picture of my passphrase so I ...
2
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2answers
12k 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
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3answers
1k views

Forgot passphrase (encrypted hard drive), how can I use my computer again?

I forgot my password for an old computer I have that is running Ubuntu 14.04. I encrypted the hard drive when I set up the computer. There is nothing important on the computer so I do not care about ...
3
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0answers
43 views

Why does Ubuntu's full disk encryption require no time?

As far as I understand, the "Encrypt the new Ubuntu installation for security" option in the Ubuntu installer is meant to provide full disk encryption. However, when using that option, it seems like ...
0
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1answer
19 views

LVM Full disk encryption on two disks with single passphrase

I have two disks, and want to have all storage managed by LVM and fully encrypted. However, the Ubuntu installer only offers the choice to set this up for one of the disks. How can I set it up so ALL ...
2
votes
1answer
3k views

Ubuntu 14.04 Desktop Sharing (VNC) encryptiom / auth problem

I know this has been discussed, but I can not find a permanent fix. I enabled desktop sharing, unchecked "manually approve every access", set a password, and I'm trying from the local network, or via ...
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0answers
29 views

Hiding a File Server URL

I'll start with an example: www.dropbox.com/JHVGI&^$ETNOB&RV&%$*& will allow you to view certain file(s). And, JHVGI&^$ETNOB&RV&%$*& is a system generated url. ...
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1answer
1k views

Can I Reinstall and Format An Encrypted Hard-drive?

In layman's terms, I'm essentially trying to do a reset on my computer. It's my secondary desktop, so I don't have anything important on it. But since I moved, I misplaced my passphrase for the disk ...
0
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0answers
20 views

ubuntu gnome 1604LTS installation with full disk encryption

I am having troubles with the installation of Ubuntu gnome : if I use the standard procedure with full disk encryption lvm option, installation seems to work fine but fails to boot afterwards. I do ...
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1answer
213 views

“Lvmetad is not active yet, using direct activation during sysinit” on boot?

Some time ago I installed Ubuntu 16.04 on my PC. Everything went well and no problems so far. When the first kernel update came out I could not start it and got the following error: Lvmetad is not ...
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0answers
15 views

Ubuntu not showing LUKS Encrypted SD card anywhere

I am running Ubuntu 16.04 LTS, and wanted to encrypt a new sd card for keeping my files safe and private. I used the built in disks tool to format it to LUKS format, and set the password and ...
0
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0answers
19 views

letsencrypt-auto fails due “Could not connect to”

I am on the server ncldp.com running as root. I want to enable HTTPS for apache2 by using a letsencrypt certificate. I try to download the cert using ./letsencrypt-auto certonly --manual -d ncldp....
2
votes
1answer
127 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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0answers
35 views

Ubuntu 16.04 full disk encryption after installation [duplicate]

I know this was asked for previous releases. Has anything changed for 16.04? The official documentation hasn't been updated for a while. If FDE after installation is not possible, what about encrypt ...
0
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1answer
19 views

How to mount a luks encrypted partition at boot

I have been given a task to creat a LUKS encrypted partition and then mount it, here are the steps I followed: 1. Create partition for encrytion: sudo fdisk /dev/sda 2. Reboot 3. Format the ...
0
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1answer
63 views

How to back up my Ubuntu data when I forget my encrypted filesystem password?

I need to make a backup of my computer but my filesystem is encrypted and my password is incorrect. How can I do this? Update: My guest account is working now. Can I backup my administrator account ...
0
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1answer
22 views

Encrypted SWAP wont mount at boot

I need help with my Encrypted SWAP on Ubuntu 14.04. It won't mount. I used ecryptfs-setup-swap to encrypt the swap. At boot this error occurs: device-mapper: rename ioctl on cryptswap1_unformatted ...
0
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1answer
15 views

Again about encryption

I would like to install Ubuntu 16.04 on my laptop with full-disk encryption. But I have not found good manual about LUKS, LVM, etc. All manuals are not finished or incomplete. Many cammands are given ...
1
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1answer
51 views

Encrypted Home Folder and Second Hard Drive

I recently installed Ubuntu with an encrypted home folder. I now have a second drive that I want to use to store my pictures, music, etc. I was thinking of creating a partition on the second drive for ...
4
votes
2answers
76 views

What does the -b switch for udisksctl do?

I had to mount an encrypted external hdd using the command-line earlier this evening. Thanks to these instructions I was successful, but I'm left wondering what the-b switch for the udisksctl command ...
0
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2answers
124 views

Recovering an Encrypted Home Partition Overwritten by LUKS

After aborting a recent installation attempt of Ubuntu 16.04 (which I've since installed without a separate home partition), I discovered that my existing encrypted home partition is no longer ...
3
votes
2answers
69 views

How to securely send bank details to someone? [closed]

I have completed my internship and my employer wants me send him my bank account details so that he can transfer me my stipend. How can I securely do this? I have Ubuntu MATE 16.04. My employer is not ...
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0answers
18 views

Cannot enter passphrase for full disk encryption

I installed Ubuntu 16.04 Desktop with full disk encryption. It worked fine for a few days. Booted a few times and no problems. But since this morning I cannot enter the passphrase for the disk ...
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0answers
20 views

What can I do regarding this errors found in boot.log?

Timed out waiting for device dev-disk-by\x2duuid-896874fe\x2d2dd8\x2d405e\x2d97c3\x2dc72b0db1b606.device. [DEPEND] Dependency failed for Cryptography Setup for cryptswap1. [DEPEND] Dependency failed ...
0
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1answer
22 views

Encrypted home folder is only partially decrypted by ecryptfs

I'll make this as brief as possible: -Following an upgrade, lubuntu no longer boots -I installed ubuntu gnome on a separate partition -Within the new partition, I mounted the other (lubuntu) ...
0
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0answers
19 views

Home folder encryption and Insync

I have recently done a clean install of Ubuntu 16.04 LTS and decided to encrypt the home folder during the installation. Now, when I try to use INsync, which is a cool unofficial google drive client, ...
1
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1answer
199 views

Asus E200H, keyboard does not work for entering encryption password

For the disk encryption password, I cannot type anything and the keyboard/mouse doesn't work. I've tried the options i8042.nomux=1 i8042.reset to no luck. With the option nosplash, I see this: [ ...
1
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1answer
34 views

When is LUKS encrypting my data?

Assuming I have a partition encrypted with LUKS, which I mount and read from and write to. My question is when is the data encrypted? When I write it or when I unmount the partition? Also, what ...
0
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1answer
122 views

Bitlocker-encrypted Windows and LUKS-encypted Xubuntu in Dual Boot

Company policies instruct me to use a Bitlocker encrypted Windows 10 (No turning off Secure Boot), but I also use Linux, which has to be LUKS encrypted. Now I need to set this system up for Dual-Boot ...
3
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3answers
387 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?
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0answers
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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.) ...
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4answers
21k 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
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0answers
11 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("...
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0answers
23 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 ...