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

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How can I get an encrypted flash drive to automount in Gnome+xmonad?

I'm running Ubuntu 14.04. Whenever I'm using the default Unity desktop environment (or using the Gnome Classic session with Metacity), a flash drive with a LUKS-encrypted filesystem that is ...
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3answers
2k views

ubuntu 14.04 install with custom swap size using LVM?

I want to install ubuntu 14.04 with LVM and encryption. But the problem is that my computer has a large RAM (16GB) and a small SDD disk (60GB). So I think only a small amount of space for swap is ...
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1answer
20 views

Differences between md5pass and md5sum

This question may be insane ,but due to definition of hash algorithms, hash algorithms are some kind of functions that accept variable length input and make it encrypted and the output always has a ...
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0answers
7 views

Is there a “session-wise” filesystem encryption?

AFAIK, there are partition encryption, or filesystem encryption like ecryptfs. But both of them only ask permission when mounting. By which I mean, once I mounted them, any other users could access ...
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0answers
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ipsec-tools can't encrypt packets after changing destination ip address?

I established a tunnel IPsec connection between two networks like the following scenario IPsec-tools and racoon and it works fine (see image) But in gateway1 I run a simple program that listen to ...
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0answers
27 views

Decrypting .glade gives XML Error

when executing a commercial software an empty window opens. In the log-file I can see the following error: Decrypting resource: /Gui/GuiMainWindow/GuiMainWindow.glade XML Error Count: 0 I already ...
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1answer
257 views

ecryptfs-setup-swap freezes

My computer started freezing with the message cryptswap not ready, and so i tried following this tutorial http://punygeek.blogspot.de/2012/10/ubuntu-1204-how-to-solve-disk-drive-for.html Everything ...
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4answers
2k views

How to encrypt external devices using a cross-platform solution?

How can I encrypt an external device (i.e. USB keys, external hard-drives, memory sticks, etc.) so that it would subsequently be readable/writable on any computer that I plug it in? For instance, it ...
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2answers
2k views

How to truly secure a hard-drive?

When I boot from an USB stick into my laptop I am able to mount and connect through chroot to the my hard drive and browse my files without a problem, while this has been something very very useful in ...
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1answer
11 views

DM-Crypt does not accept passphrase

The partition table is: sda1 - /boot sda2 - dmcrypt with LVM, containing root, home and swap volumes Cryptsetup does not accept passphrase, that have been used for a long time and can not have any ...
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1answer
2k views

How do I encrypt an external (USB) hard drive in 14.04? [duplicate]

I'm running Ubuntu 14.04 LTS and I have a Western Digital external hard drive (Passport Ultra) mounted. I want to encrypt the entire drive. WD has Windows and Mac utilities available, but nothing for ...
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1answer
385 views

Best way to encrypt file on Ubuntu but readable on a Windows machine? [duplicate]

What would be the best way to encrypt a file in Ubuntu 12.04 but in a way that could be read by a Windows 8 user? Would creating a Truecrypt volume work if I just sent the truecrypt file over? Any ...
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1answer
31 views

What happen if I copy data from a Full Disk Encrypted to another computer?

I have an Ubuntu OS in my machine with Full disk encrypted from installation, then I copy a data file (eg. music file or image file) to another computer by a USB, is that file will be encrypted or ...
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8answers
23k views

Is there a tool to encrypt a file or directory?

What's the most popular way to encrypt individual files or folders?
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15answers
22k views

How can I easily encrypt a file?

Is there any simple (IE: right click in Nautilus) way to password protect a particular folder/file in Ubuntu? I've got a few files containing sensitive info and I'd much prefer that if/when I leave my ...
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5answers
54k views

How to encrypt individual folders?

Let's say that I have a folder, within my Documents folder, that has files I want no one to access without a password. Is there a way to lock down that folder so that it's password protected / ...
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8answers
6k views

How to create an encrypted partition?

I am trying to create an encrypted partition, and while I format it I get the option to choose the partition type (fat/ext2/ext3/ext4/xfs/reiserfs/minix/ntfs). Is there any benefit of choosing one ...
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1answer
587 views

How to encrypt external devices?

I've been a Windows power user/administrator and professional tech for years, I just made the decision to go Linux, and wow, what a difference. Is there any decently easy way to encrypt external ...
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3answers
2k views

How to encrypt folders (not in Home)?

Is there a way to encrypt a folder, which is not in Home (/home/user/) but even in a different partition, so only my user can access/read contained files? Alternatively, I would like to understand if ...
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2answers
6k views

How do I create an encrypted filesystem inside a file?

Recently i've found this interesting tutorial: http://flossstuff.wordpress.com/2011/08/07/using-a-file-as-a-storage-device/ It explains how to create an empty file, format it as ext4, and mount it ...
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3answers
3k views

How to encrypt files using a cross-platform solution?

What programs can be used to encrypt files that could subsequently be decrypted on any OS? For instance, it should then be possible to easily decrypt the encrypted files under Linux, Windows, OS X, ...
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1answer
25 views

Usage of IronKey encrypted USB

I used an encrypted IRONKEY USB disk in Windows, and automatically I was asked to install the software/application for installation and used the password to access the content in it. How can use the ...
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1answer
24 views

How can I recover the password of an encrypted Home folder?

I forgot my encryption password and now can't access my laptop. I have tried using the command line to remove it, and the bootloader. The home folder is blocked by the encryption code. Is there a ...
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1answer
6k views

How do I setup an encrypted swap file?

When I installed Ubuntu, I setup an encrypted home partition. Now I have come to an issue where I am running out of memory because I haven't setup swap. How can I setup an encrypted swap file? A ...
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0answers
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I am wanting to switch from Ubuntu to Debian [closed]

I currently have the newest supported version of Ubuntu - 14.10 - Utopic Unicorn. I want to switch to Debian. I have been up all night trying to figure this out. I just can't seem to get my computer ...
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2answers
1k views

Can ecryptfs-setup-private be made to use a 256 bit AES key (instead of the default 128 bit key length)?

ecryptfs-setup-private will by default use an AES 128 bit key. Can I make it use a 256 bit key (32 bytes key length)? Of course, I could do the whole process manually as described here: ...
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1answer
33 views

SED (self encrpyting disk) is crashing on system resume

I have asked this question before (here and here ) My problem is that my Self Encrypted Disk (SED) have to NOT spin down even on suspend! I have tried this, but it did not work and the disk spin ...
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2answers
50 views

how to use ecryptfs with a random directory

I would like to use ecryptfs to encrypt a random directory (i.e., not my home directory or a subdirectory thereof, principally due to disk space limitations on my home partition) and mount that ...
0
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1answer
12 views

Need Help!! Encryption problems [closed]

Just did a fresh install on 13.10, im new to this. I encrypted my hdd and when it boots i cant type the passphrase. The keyboard works untill this screen.
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1answer
62 views

Ubuntu Suspend issue with Self Encrypted Disk [duplicate]

I have a computer with a self Encrypted Drive (a hard drive with an AES encryption chip that requires login at boot to decypher the disk, that way it is hardware encrypted which "in theory" means zero ...
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2answers
52 views

Disk Encryption vs Home Encryption

I've encrypted my disk using the Lubuntu disk encryption on installation and also used the Home folder encryption option. I wonder whether this adds security or if the home folder encryption is ...
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4answers
6k views

Can't install alternate CD from USB?

I'm trying to install Ubuntu 12.04 with full hard disk encryption. After downloading and installing the Ubuntu live CD, I learned that truecrypt doesn't support full disk encryption on Linux. I also ...
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0answers
14 views

full disk encryption on SSD with trusty [duplicate]

I am about to install a new SSD into my laptop and I have to do full-disk encryption due to regulations where I work. Since this is a new install I can get it right from the outset. How can I install ...
0
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1answer
70 views

eCryptfs - Cannot decrypt filenames

I have encrypted data on an external HD mounted on /home/username/.Data. I am trying to decrypt it to /home/username/Data. Although I can successfully read the files contents, I cannot manage to ...
0
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1answer
28 views

apache2 not starting automatically in Ubuntu 14.04

I have fresh Ubuntu 14.04 installation with apache2. I have noticed apache2 is not starting at the boot. I have tried to enable it with sudo update-rc.d apache2 defaults, but it still doesn't start ...
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1answer
31 views

Encrypting a whole disk

If I have a HDD which is unformatted, that is all partitions deleted. Is it possible with Ubuntu to encrypt the entire thing is there some command/program that can do that for me? I have a Netbook I ...
0
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0answers
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Cannot enter password to start Ubuntu

I'm running Ubuntu 14.10 with the system disk encrypted with luks. When I start the computer, it shows the Ubuntu logo and asks to enter the password to unlock the disk. However, I cannot enter the ...
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3answers
54 views

how to increase swap memory in ubuntu 14.04

I have replaced windows with Ubuntu 14.04. My Windows was on drive c & I have formatted drive c with the Ubuntu but during the OS installation unknowingly I had assigned 105mb of swap memory, but ...
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3answers
3k views

How to migrate an encrypted LVM install to a new disk

I have a somewhat customised laptop install I want to move to a SSD directly, without having to reinstall Ubuntu, reinstall all the apps and make all the other changes again. The SSD is smaller, so I ...
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0answers
44 views

Swap vanished after reboot

I have installed Kubuntu 14.04 with an encrypted home directory. Although I had swap set up during the install, the swap space was not there after installing. This has happened to many people, there ...
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0answers
28 views

Ubuntu 14.10 instllation error, hdd encrypted

So I unknowingly selected the second option of installation with the encryption. I entered my password and click next. Then it said something and I hit go back then it froze. Happens so my battery ...
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2answers
115 views

Is full-disk encryption making my system unstable?

About six months ago I installed Ubuntu 14.04 on my laptop with full disk encryption (FDE). Now I am considering turning off FDE because I think the feature is making my system unstable. The risk of ...
2
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2answers
4k views

Decrypting a password protected LibreOffice Calc .ods file (forgotten password)

Sometime ago I created an .ods file with Libreoffice Calc which I password protected. I have now forgotten the password and as a result I am unable to access the file. Is there any way of bypassing or ...
0
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2answers
72 views

Install Ubuntu in dual boot on an encrypted partition

I'm totally new to Linux and I'm trying to achieve something, but I don't know if my plans are okay. I would like to have Windows 8.1 and Ubuntu in dual boot. Windows is on my RAIDed SSDs, and I ...
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1answer
35 views

Is it possible to resize/move root and encrypted home partitions in Ubuntu 14.04 without losing data? [duplicate]

There seems to be quite a few pages on how to re-partition a hard-drive without lead to loss of data. There are also pages that state that it is not possible with encrypted drives, and other stating ...
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0answers
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Why is Ubuntu only using SHA1 for WDE?

I'm wondering. In times where Hardware gets faster every week and all the NSA thingies about Snowden and such, why is Ubuntu still using Sha1 when encrypting the system over the GUI (the installer) I ...
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3answers
16k views

How to change the password of an encrypted LVM system (done with the alternate Installation)?

I installed Ubuntu 11.10 with the alternate CD and encrypted the whole system (except boot) with the encrypted LVM. Everything works great as before, but I would like to change the password of the ...
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1answer
209 views

Encrypted home directory not auto mounting with .profile

I have Ubuntu 12.04 server edition with home directory encryption enabled. Logging in locally automatically decrypts and mounts my home directory and loads my zshrc. But logging in via ssh just drops ...
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1answer
349 views

how to create encrypt mount entry in /etc/mtab

I am practicing Encryption from our Community link :FolderEncryption But while doing fuserunmount command I am getting the following error.I am sure about the process . I have done as they did ...
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1answer
49 views

Is my drive encrypted? I can read encrypted partition without providing password

Please help me determine if my is drive encrypted or not, what did I do wrong? I used Ubuntu Disk Utility for creating encrypted partition and I choose encrypted partition and provided a password, ...