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

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Filesystem that gives an encrypted view of a directory—the inverse of EncFS

Currently I'm using EncFS to encrypt my directory "confidential" to ".encconfidential" and sync that encrypted directory using an online service (e.g. Dropbox, UbuntuOne etc). However my entire disk ...
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2answers
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Does ecryptfs-setup-private use real time encryption?

I'm trying to encrypt some sensitive files on my computer, and I'm trying to figure out what the best option is. I'm considering using ecryptfs-setup-private or a True Crypt file container. I like ...
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3answers
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Connecting to WPA2 network from console

How can I connect to a WPA2 Encrypted Network from the Terminal/Console? I've wanted to remove the whole x-window system and use a Terminal based system only to free up any available memory and ...
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1answer
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Using word list to brute force encrypted partition

I used the Disk Utility to encrypt an external HDD about a month ago. Now it seems that I have forgotten the password. I have formed it according to a set of rules, so I have generated a word list ...
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4answers
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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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1answer
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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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1answer
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How will 12.10 disk encryption affect performance?

As the title suggests. Massive performance degradation? And what technology does it use?
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How do I encrypt my /tmp directory?

After reading this question about how often tmp is cleared, it would be best for our setup if tmp is encrypted. How do I encrypt it? My fstab looks like this: proc /proc proc ...
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2answers
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How to enable Hardware Encryption on SSDs like Samsung 840 EVO?

Just got Ubuntu 14.04 running on a Zotac Zbox CI320. I want to enable the Samsung 840 hard ware encryption that comes with this hard drive, but I don't know how. Is there anyone that can help me set ...
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1answer
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SSH remote user need to be logged in?

I'm trying to set up an SSH server. I put my public key in the authorized_keys file, made sure the permissions were correct, etc. When I restart the server (really just Ubuntu 12.04 desktop) and I ...
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1answer
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How do I encrypt a dual boot system?

I have a dual-boot laptop with four partitions - Windows, swap, Ubuntu (OS) andUbuntu /home. I need to do full disk encryption on it. Ubuntu is running 12.04, Windows is Windows 7 Home Premium.
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1answer
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Full Disk Encryption with LUKS: auto mount second volume

TrueCrypt on Windows can auto mount volumes that use the same passphrase as the boot volume. You enter the passphrase only once. Is there a way to do this with LUKS? Background: I'm currently ...
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1answer
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how to mount / with encrypted lvm root during installation?

In order to understand Linux better, I'm trying to manually configure an encrypted root lvm partition . I have already tried this with the Ubuntu server installer by choosing the lvm encrypted option ...
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1answer
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Kubuntu 11.04 + Windows 7 dual boot laptop drive encryption

I already know how to create a Kubuntu/Win7 dual boot. What I would like to do is to encrypt both operating systems. I use Kubuntu as my main OS, and Windows 7 for casual gaming or prolonged Visual ...
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1answer
935 views

Does encrypting the hard drive affect file sync with programs like Dropbox, Ubuntu One, Spider Oak, Insync, and others?

For the last few months I've been having a lot of problems syncing with two computers that I reinstalled and encrypted the drives. It is happening with all the programs I mention in the subject. Can ...
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1answer
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How do you encrypt and decrypt files using your keychain?

Remember this little guy over here? He's no longer with us in Ubuntu 11.10. Now, a friend's sent me an encrypted file using a public key I think I have the key fore in my keychain. How can I ...
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1answer
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Auto-mounting an encrypted USB hard drive

How can you configure a headless Ubuntu server to auto-mount an encrypted USB hard drive? I found this similar question, which explains how to mount the drive from the command line, but the author is ...
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2answers
981 views

Full disk encryption - separate home partition

How to create separate /home partition when using full disk encryption feature in the Ubuntu 12.10 installer?
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4answers
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How to encrypt a single folder on my external hard drive? [duplicate]

I'd like to encrypt a single folder in my external hard drive. Which GUI software should I use?
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2answers
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Does hibernate work with an encrypted home dir in maverick?

My machine no longer resumes properly after hibernation. However, it used to until recently. When trying to figure this out, I've seen lots of people say that hibernate doesn't work with encrypted ...
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2answers
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Is there a FileVault alternative for Ubuntu

Is there a FileVault alternative for Ubuntu that I can download from the software centre?
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2answers
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How do I access an encrypted home folder from a dual-boot machine?

(This might not be an Ubuntu-specific question?) When I installed 9.10, I opted to encrypt my home folder using ecryptfs, but then I discovered this locked me out of my ext3 partition when I tried to ...
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2answers
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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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2answers
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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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2answers
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How to obtain a S/MIME certificate for e-mail encryption?

There are parties, e.g. enterprises, that uses S/MIME certificates for e-mail encryption. To my understanding Thunderbird has support by default for S/MIME. But I have not found a way to obtain a ...
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4answers
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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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unable to unmount encfs encryped folder in cryptkeeper

I have encfs encrypted directory mounted with cryptkeeper. If I try to unmount that directory from Nautilus by pressing "eject" button it will show the following error: "unmount: /home/xxxxx/Encrypted ...
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1answer
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Ubuntu 15.04 USB devices powered off at encrypted root password prompt

Since my update from Ubuntu 14.04 -> 14.10 -> 15.04 it sems that i cannot boot my system anymore as i am stuck at the password prompt when ubuntu appempts to mount my encrypted root partition. The ...
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1answer
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Mount on filesystem of type eCryptfs explicitly disallowed due to known incompatibilities

I get this error when I'm trying to do sudo mount -t ecryptfs folder1 folder2 in my home folder (encrypted by ubuntu) I tried the same command but folders at /tmp, it worked as expected. The error ...
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1answer
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MD + LUKS + LVM will not cleanly shutdown

My setup is currently raid1 + luks on each md partition and lvm on top to stripe between the arrays. There is only one volume group with one logical volume currently. sdc ...
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3answers
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Passwords in the Password/Encryption Keys program

I noticed that I have passwords in the Password/Encryption Keys program . It appears that anybody who walked up to my computer could go look at all my passwords without needing a master password. Did ...
5
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1answer
251 views

Can we make a folder and its contents remain locked for certain times of the day and unlocked for the rest of the time?

Suppose I have a Games folder. I don't want to waste my time on games. So is there someway that the folder remains inaccessible for most of the day, and only becomes accessible for say 3 hours after ...
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2answers
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Decrypt TrueCrypt containers using dm-crypt

Is it possible to decrypt TrueCrypt containers using dm-crypt? I have some container files created with TrueCrypt and I just wanted to know if it's possible to decrypt them using dm-crypt so I can ...
5
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1answer
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Is my swap encrypted or not?

I chose to encrypt the home folder while installing Lubuntu 12.10 (64-bit), but after that, sometimes I get error that the system "cannot find /dev/mapper/cryptswap1 wait for mount or cancel at splash ...
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1answer
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why is it a risk to clone a LUKS container?

I recently installed Ubuntu onto an encrypted partition using the LUKS+LVM combination that the 'alternate' installer offers. Now I want to create backups of my HD. From the LUKS FAQ: 6.15 Can I ...
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2answers
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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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2answers
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How to backup a system with whole disk-encryption?

What's the way to backup a system encrypted with whole disk-encryption? I mean, The total system is encrypted, not only the home folder.
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1answer
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How can I increase Ubuntu's 143-byte file name limit for encrypted directories?

In encrypted directories, Ubuntu (at least 15.10) seems to have a file name byte limit of 143 B--much smaller than the ext4 file system's limit of 255 B. Where is this special limit set, why is it set ...
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3answers
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How do I create an encrypted growable disk image?

I don't want to encrypt my whole home directory, just my work folder. So I figured that having my work stuff in an encrypted ISO would be a good idea. How do I create an ISO? How do I encrypt that ...
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4answers
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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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1answer
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Is there a way to decrypt EPM files using Ubuntu?

The government agency I work with sends me files encrypted with epm. I have the passwords. Is there a way to decrypt these files using Linux?
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1answer
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Clone encrypted HDD to smaller drive

For my work Laptop I use full HDD encryption and I need to upgrade my 500GB HDD to a 250 SSD drive, my HDD has only around 100GB of data and is created via encrypted LVM. GParted does not support ...
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1answer
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How can I check if my computer has AES-NI support?

I've heard that disk encryption works reasonably faster when CPU supports AES-NI. How can I check if my CPU supports it? Does the Ubuntus default encryption (dm-crypt) use it by default or do I have ...
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2answers
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How to wipe RAM on shutdown (prevent Cold Boot Attacks)?

My system is encrypted using Full Disk Encryption, i.e. everything except /boot is encrypted using dmcrypt/luks. I am concerned about Cold Boot Attacks. Prior work: ...
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1answer
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What is the different between cryptsetup and truecrypt

I used truecrypt volume until now, because the space limitation I looked for other solution to encrypt my data. This is what I found. My question is what is the different between cryptsetup and ...
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3answers
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Guide to installing a fully encrypted file system? [duplicate]

Possible Duplicate: How to create an encrypted partition? I have a little Netbook on which I want to install Ubuntu 10.10 (32-Bit) on. However, since it is a portable PC I want to ...
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1answer
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How to disable hibernating?

Whereas many questions are geared towards implementing hibernation, mine is how to disable it. I've just encrypted my swap partition, and I such my system can still hibernate, but cannot resume ...
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GPG Workflow in 11.04

At work we handle the transfer of small bits of sensitive data with GPG, usually posted on a secure internal website. Until Firefox 4 was released, we used FireGPG for inline decryption; however the ...
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1answer
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WICD WPA2-PEAP connection without domain

I'm having trouble connecting to my school's wifi. It uses WPA2-PEAP and TKIP. The instructions for connecting tell me to leave the domain field blank and just enter my user name and password. This ...
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1answer
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Disk '______' doesn't contain a valid partition table

Having recently run through EnableHibernateWithEncryptedSwap, I now get 3 separate 'Disk doesn't contain a valid partition table' when I run sudo fdisk -l: Disk /dev/mapper/ubuntu--t10194-root ...