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

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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
132 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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2answers
198 views

Does Ubuntu Phone support encryption?

Does anyone know if the Ubuntu phone (especially the first official release - BQ E4.5) supports full device encryption? And if it does not, then if there are any plans for it?
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1answer
40 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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1answer
39 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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0answers
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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2answers
47 views

Mounting external disk with defaulted 13.10 FDE

I have a hard disk which was previously used in my netbook with Ubuntu 13.10's default full disk encryption (FDE) configuration. I would now like to mount this disk as an external drive (via SATA to ...
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1answer
36 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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3answers
5k 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 ...
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1answer
37 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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1answer
1k views

Can I recover a Bitlocker-encrypted disk without the key?

I have encrypted an external drive using Bitlocker on windows 7, I have lost the recovery key and since upgraded my PC with a new motherboard and processor. i have tried everything imaginable to ...
0
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1answer
302 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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0answers
14 views

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
97 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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1answer
25 views

How do I mount an encrypted drive

I just got a new harddrive, and I would like to get the files off of my old drive that was encrypted using the full disk encryption option in the Ubuntu installer. How do I access those files?
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0answers
74 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 ...
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0answers
33 views

System crashes when forced to use swap

I'm running Kubuntu 14.04, with encrypted luks. I have 16 gigs of ram, so I don't use swap too often, but when my machine is forced to for one reason or another, it crashes. This can happen from ...
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2answers
84 views

Unable to write to ext4, No space left on device?

After creating a folder in my ext4 partition, copying some data to it, then moving that whole folder to another drive, I became unable to add additional data to the ext4 partition when I boot into ...
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1answer
34 views

Can I recover an encrypted partition that I quick-formatted in Lubuntu?

I had a USB drive encrypted with dmcrypt+LUKS which I forgot the password to. I later formatted it but as soon as I formatted it I remembered the password. Is there any way to recover/restore the ...
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1answer
99 views

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 ...
0
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1answer
80 views

Ubuntu 14.04 wont boot after entering harddrive encryption password

I have installed 14.04 LTS on to my Samsung 850 pro SSD and it was working fine then last time I booted it, it took three attempts to boot. Basically the request for the password appears and I enter ...
0
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1answer
29 views

Resize or turn off encrypted swap

I installed ubuntu 14.04.1 on a 60 GB ssd with full encryption. My PC has 16 GB of RAM. This has resulted in a swap size approaching 16 GB. Can I subsequently change this to 2 GB or completely turn ...
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1answer
73 views

Decrypt encrypted disk to make second partition

I have a problem. When I install Ubuntu, I make only one partition and encrypt this partition. Now I want to make second partition with different file type. How I can "decrypt" partition or... take ...
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0answers
62 views

encrypted lvm fails to boot after last update

My netbook fell. The disk had to be replaced. I installed new system from the install medium, then restored the contents from backup (rsync), and it worked... for a time. New 'security updates' along ...
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0answers
66 views

Ubunt boot encryption using LUKS

I have Mini PC (aka Intel NUC) to be deployed remotely. This will be a server and running a LAN application to store financial records. Clients can access this server for accounting and reporting. I ...
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2answers
58 views

Can't access home directory during boot. Any solutions?

I recently switched to Ubuntu 14.04 from windows. I've setup Chrome Remote Desktop but it won't start during the boot process and the following error appears in boot.log * Starting Chrome Remote ...
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1answer
56 views

How can I tell if my hard drive is encrypted?

I've recently installed Ubuntu (Trusty LTS) on my home computers, and believe I decrypted my /home directory, as described in the copying /home section of the tutorial at: ...
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1answer
79 views

How can I use public-key encryption for luks?

I have been running luks with the following commands: $ sudo dd if=/dev/urandom of=/keyfile bs=1024 count=4 $ sudo cryptsetup luksFormat /dev/XXX keyfile $ sudo cryptsetup luksDump /dev/XXX And it ...
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1answer
221 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
42 views

Ubuntu won't boot after setting a HD password in BIOS

I installed Ubuntu 14.04 alongside XP (Both 32-bit due to Brazos 1.0 Ghz slow CPU). Not because it kind'a ran slow but because of me using the PC to access work with some highly sensitive data I ...
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2answers
247 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 ...
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0answers
36 views

Surespot on Ubuntu 12.04

Is this possible or no? I would like to communicate via surespot but my laptop is available and not a mobile. ... also virtual box is not an option for me.
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1answer
33 views

confused about keys and using it with multiple computers

well I am confused about the keys and security. Ive tried searching for a answer, but I just wind up more confused Anyhow, my linux box, called skyline, has ssh enabled and I also edited the ...
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0answers
142 views

Ubuntu 14.10 Gnome/Nvidia Driver Conflict

I installed Ubuntu 14.10 yesterday with full-disk encryption, installed all the updates, and then I installed G++, Clang 3.5, Intel Parallel Studio 2015 (Update 1), and Nvidia's newest stable ...
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2answers
28 views

Can I unencrypt a specific directory under home directory while the entire home directory is encrypted?

The reason why I'm asking this is that the encryption leaves up to a length of 143 characters to be used as filename. While normally it doesn't seem like a trouble, it becomes one when the name of a ...
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2answers
159 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 ...
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3answers
3k 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
139 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
11 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
39 views

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
37 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 ...
0
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1answer
668 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
103 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 ...
2
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1answer
3k 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
416 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
43 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
27k 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
23k 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 ...