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

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How to fix messed up password screen when using full disk encryption (caused by nvidia driver)

When using full disk encryption in ubuntu 14.04 a password is always required when the computer is started. This screen looked nice until I installed the proprietary Nvidia driver. How can I fix ...
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0answers
7 views

Cannot use Encrpyted Home directory after upgrade to 14.04

My $HOME directory is encrypted. It was ok in 13.10, but, after upgraded to 14.04 desktop by do-release-upgrade, I can log in, however, the home hasn't been decrypted, and cause many application ...
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1answer
65 views

Install Ubuntu Desktop on Software RAID 1 (mirror) with encryption

I used to use Ubuntu 12.04 Alternate installer to setup my old RAID1 + encryption system. With the new LTS 14.04 (beta 2) I found the alternate installer missing which complicates installation on a ...
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1answer
31 views

Unable to access fresh installation of 14.04 with full disk encryption

I decided to attempt a full disk encryption on the 2nd computer where I'm installing 14.04. It's a fresh installation. It used to contain a 12.04 version, but I opted for the "Erase disk and install ...
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0answers
17 views

LiveUSB Encrypted

I understand you can setup a USB so it becomes a Live USB ubuntu stick, allowing you to plug it into most modern computers and get your ubuntu desktop from the USB stick. My question is, is it ...
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5answers
33k 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?
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0answers
11 views

Disable home encryption in Xubuntu

I chose full encryption and home encryption during install and now want to disable the latter. How do I do this in Xubuntu?
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1answer
10 views

Issue with encrypted lvm during setup

How can i access a different form of partitioning, like in old alternate cd's or debian's installer, where i can choose to create a partition, make it encrypted, then add a LVM group to that encrypted ...
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0answers
37 views

Only HTTPS sites are opening

After updating my Ubuntu 13.10 on 14 April 2014, I am not able to access HTTP sites while HTTPS sites are working perfectly both in Firefox and Chrome. My OpenSSL is built on: Mon Apr 7 20:33:19 UTC ...
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3answers
118 views

Is there a way to test if I will be able to login again?

I messed up with my files... Again... Now I am concerned if I will be able to login again once I logout. Is there a way to test if the essentials files are all there? My home was encrypted during ...
0
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1answer
18 views

How to Tell if Network Traffic is Encrypted

I'm using a program called LottaNZB to connect to a Usenet server. I've connected to the SSL port, but I'd like to check it's actually connected. How can this be done? I've used Wireshark, but I ...
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0answers
89 views

Install Ubuntu 14.04 besides already existing Ubuntu 12.04 with encrypted home

Currently I have Ubuntu 12.04 with encrypted home (extra partition) installed on my Notebook. Now I would like to install 14.04 on my SSD (also inside my Notebook). Will 14.04 recognize my encrypted ...
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1answer
50 views

Cannot decrypt hardrive. Password not accepted

I have been tackling this for at least 5 days now. Initially I couldn't get Ubuntu to recognise my already installed partition LVM with an Arch, Home, and Swap logical volume. I have now got Ubuntu ...
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0answers
15 views

/dev/mapper/cryptswap1 is not ready yet or not present

I get this error whenever I start my Lubuntu 13.10 installation: /dev/mapper/cryptswap1 is not ready yet or not present It asks me, if I want to skip, manually repair, or wait. I chose the option; ...
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0answers
13 views

How to fully encryped ubuntu on the Beaglebone Black

... or at least access LUKS partitions from a unencrypted system. In the past my BBB crashed during file copying on encryted SDHC that actually did mount. In the later versions from ...
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0answers
16 views

Ubuntu update overwrote MBR, but did it make backup?

I had Ubuntu 12.04 (32-bit) with Windows 7 working with multiboot setup on computer with McAfee Endpoint Encryption. Only Windows 7 partition was encrypted together with MEE bootloader being on MBR. I ...
0
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1answer
12 views

ssh key login to vps woes

I recently created a vps for web hosting purposes. Everything was going fine until I decided that it's time to add another account and disable root authentication. I added a new user to the sudoers ...
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0answers
52 views

How could one really get sensitive information from a swap partition?

When I google this question, I only get all sort of information on how to protect sensitive data, how to encrypt swap, and how "dangerous" could be to keep a "normal" swap in a linux system. But I ...
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2answers
176 views

Mac OS X dual boot with encrypted Ubuntu LVM

I'd like to Setup my Mac Book Pro with dual Boot Ubuntu 13.04 & OS X Mountain Lion. Because the machine contains Corporate Date, i need to encrypt both Operating Systems. With Mac I can use ...
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0answers
5 views

Different behavior of 2 encrypted LVMs

recently i created ext4 on top of luks on top of lvm. about 20gb. i also have similar configuration (900gb) created long time ago - i don't remember how exactly i created it. both are not mounted on ...
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1answer
4k views

Remove encryption from USB flash drive

It all started when I was attempting to format my PNY USB drive because it was full of junk. When it asked me what type of file system, I selected FAT but there was a checkbox below that said ...
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0answers
12 views

I want to lock my folder with password in Ubuntu 12.04. [duplicate]

I want to lock my folder with password in Ubuntu 12.04. Is there any software for folder lock? Please suggest me how can i make this thing. Thanks in advance
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0answers
17 views

How can I reinstall Ubuntu 13.10 over a full-disc encryption?

I have a full-disc encryption, but I need to decrypt my computer for several reasons. After looking around this site, I've found that it would be simplest to just reinstall Ubuntu, but I'm not sure ...
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1answer
43 views

Dual Boot Ubuntu full disk encrypted but Windows untouched

I have been dual booting Ubuntu and Windows 7 for a while now. In the past, I have used the "encrypt home folder" option to add (some) security to my installation (ie. now no one can easily steal my ...
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0answers
11 views

When using automated preseed installation, is there a way to change the IV Algorithm for crypto?

When using the default encryption algorithm (preseed or manual), I get an error An error occurred while configuring encrypted volumes. The configuration has been aborted. But changing the IV ...
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0answers
31 views

cryptsetup-encrypted disks failing after restart (mb solved?)

I am using cryptsetup/luks (ETA: On 12.04) to encrypt partitions on external hard drives. Several times now, I've had disks fail to mount after an apparently normal restart (often a kernel upgrade, ...
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0answers
20 views

Encrypted Home folder is still accessible with another distro

I partitioned an HDD in to four, the biggest of them being the HOME directory. This drive was encrypted during xubuntu installation and worked perfectly fine. I then booted from another ubuntu live CD ...
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1answer
35 views

How to recover encrypted Home with only login password?

Until data wasn't lost I could login and use OS as normal and access my home folder without entering any passphrase because it was automounted at login. Now I want to access my home folder just by ...
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0answers
15 views

full disk asymmetric encryption

Wondering if there's a protocol and open source program for full-disk, asymmetric encryption. Something like, encrypting the keys into the start of the disk (using AES/something stronger) and then ...
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0answers
39 views

Cannot access LUKS encrypted USB key anymore

I have a got a huge problem with my LUKS decrypted USB key. I was using it normally until two days ago. Then I wanted to save something and I got an error message that the key is in read only mode. I ...
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0answers
35 views

How do I DISABLE home directory encryption during Ubuntu 12.04 installation?

When attempting to install Ubuntu 12.04 from a CD, there is an option displayed for "Encrypt my home folder". The option is checked (enabled) by default, but it is grayed out, so it is impossible to ...
2
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1answer
14 views

Encrypted Lock Screens?

I really like the disk encryption to secure my funds, but my problem is I practically never have my computer off. I live a very busy life and shutting it down totally every night is entirely ...
0
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1answer
18 views

Could my partition setup on my Hitachi Travelstar be causing SMART spinup problems?

I just purchased a refurb Samsung laptop for my girlfriend with a 500gb Hitachi Travelstar. I partitioned it and installed Win 7 (for required work related programs for her) / and 12.04 LTS (for ...
2
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1answer
200 views

Is there a way to install 13.10 on btrfs and full disk encryption?

I like the fact that the default desktop Ubuntu installer only requires me to check a single checkbox in order to have a fully encrypted disk in the end (which is a requirement within our company, so ...
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1answer
144 views

Ubuntu 12.04 Keyring broken "signature not found in user keyring perhaps try the

So, for some reason i cant suddenly log into my main account, so i did alt+ctrl+f1 and saw the message "signature not found in user keyring perhaps try the interactive 'ecryptfs-mount-private'" I can ...
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0answers
53 views

Unlocking Encrypted Root (LUKS on LVM) with “hidden” USB Keyfile

I have a Ubuntu Server 13.10 machine. Its root partition is encrypted with LUKS, which is then stored in a logical volume. On boot, the LV is mounted and then cryptsetup requests my passphrase; once ...
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4answers
1k views

How to encrypt /var/www?

I want encrypt my /var/www folder so I and apache had access. How can I done this? I tried use ecryptfs, but my sites does not work. Please write example, or link for manual.
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1answer
26 views

Can I decrypt my hard drive from the GRUB command line? [closed]

I recently installed Ubuntu 13.10 onto a PC, and ticked the 'encrypt my drive' option during setup. Now I can't enter my encryption key on PC startup. I can use the keyboard to control the BIOS, and ...
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1answer
38 views

How to check my home directory is encrypted in Ubuntu 12.04

I am using XUbuntu 12.04 and I want to be sure my home directory is encrypted. I have .ecryptfs in my home directory and other positive signs of encryption and had selected it during installation. But ...
23
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5answers
1k views

encrypting text editor

Is there an encrypting text editor for ubuntu? In other words, the text editor, preferably GUI capable, should always save an encrypted file and always prompt for the password to re-open the file. ...
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1answer
19 views

12.04 to 13.10 Can it remove encryption?

I installed Ubuntu 12.04 on my primary computer, and I absentmindedly selected "encypt home directory" I read a few methods to de-encrypt it, but they didn't work so well (And seemed overly ...
6
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2answers
3k views

Is there a way to do full disk encryption after the install?

Is there a way to do full disk encryption after the install? I have Ubuntu 11.10 installed with /home encrypted but really need the whole drive encrypted. I would really like to do that with out a ...
-1
votes
1answer
71 views

cant play certain dvd's on ubuntu/mint

I have followed every instruction imaginable but still cannot get "certain" (disney is one culprit) dvd's to play on my mint/ubuntu setup - they play perfectly on a windows 7 laptop I have tried vlc ...
0
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1answer
35 views

Gnome encfs Manager problem! Seeing all files even after unmount

I am either missing the whole point of that ENCFS System or fail to understand how the Gnome encfs manager works! when i create a stash i intentionally chose a newly created and EMPTY directory on a ...
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0answers
64 views

How to backup and restore a full encrypted system

I have installed Ubuntu 13.10 with full disk encryption on a Dell XPS 12, overwriting the original Windows 8 OS. In order to update the firmware and apply a hardware fix (to eliminate a screen ...
2
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0answers
15 views

How to remove encryption from volume during installation

I'm currently in the process of installing Ubuntu Server 12.04 onto a fresh build. I have two 3TB hard drives that I'd like to run in software RAID 1, and was following this tutorial. During ...
2
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2answers
1k views

Swap partition not recognized (The disk drive with UUID=… is not ready yet or not present)

I think I had an encrypted swap partition, because I chose to encrypt my home directory during the installation. I believe that's what the line with /dev/mapper/cryptswap1 ... in my /etc/fstab is all ...
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0answers
32 views

Specific Encryption problem: use encrypted media on a system without root access

I have a specific problem related to encryption, and I need some help: I have an external drive, on which I store data on which I work, i.e. I need applications to be able to access those data; I am ...
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3answers
76 views

Encrypted files on a server [closed]

There is a way of encrypting the data files stored on the server to harden them against direct access or hacking. The website is in /var/www as usual and uses PHP to access data on another drive ...
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2answers
47 views

How good is linux encrypted file system?

I am using xubuntu 12 . I just used palimpsest to encrypt my external harddisk and it seems cool. But I am wondering how easy it is for someone to crack my harddisk using any tools available. And one ...