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

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487 views

Can command line arguments be masked or hidden instead of appearing in the process list?

I have written a command line application in C++ that is used to access an online user account via a SOAP API. In order to avoid having any login details written to file anywhere on my machine for ...
6
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1answer
4k views

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
783 views

Is /home encryption useful on a server?

I've got a question about the use of encryption: I set up a Ubuntu 12.04 server to use it as a router, file server for backups and webserver. Of course, it is probably not the best idea to put ...
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1answer
122 views

How to setup remote encrypted dir with conflict handling?

Is it possible to setup a remote server to store a folder with encrypted contents, which is impossible to read by the server, but is editable by multiple clients? It seems like duplicity is a tool ...
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1answer
1k views

How to encrypt Ubuntu home folder or partition and still able to hibernate/sleep my PC?

I am currently dual-booting Windows 7 and Ubuntu 12. During installation of Ubuntu, I chose to encrypt my home folder. I just don't like the fact that I can't put my computer to sleep or hibernate. ...
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2answers
2k views

By default does RDesktop use any encryption?

When you use RDesktop to remote into another computer, is it traveling over the internet unencrypted? How secure is RDesktop, or should another application be used? Thanks
3
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1answer
2k views

Can I decrypt a partition in Ubuntu which is encrypted using BitLocker (utility of Windows 7)?

I encrypted a 200GB partition of HDD in Windows 7 using BitLocker. I removed Windows 7 from the PC and installed Ubuntu. Now I can't see the partition which was encrypted from Ubuntu. Question: Is ...
3
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1answer
1k views

Encrypt SSD or not?

My desktop machine is running Ubuntu 12.04 (and will probably stay with it until the next LTS). I've got a new 120GB SSD on the way as my existing 420GB spinning disk. If it makes any difference I'll ...
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1answer
415 views

Ubuntu 12.04 64 bit doesn't work on a win7 with check point full disk encryption

I installed 12.04 64bit with the WUBI installer on a Windows 7 with Check Point Full Disk Encryption. The WUBI Installer runs without any trouble selecting the compatibility mode with Windows XP and ...
0
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1answer
743 views

Fresh install on SSD with Ubuntu and Windows Vista, using whole disk encryption for Ubuntu

I would like to do a fresh install on a OCZ Vertex Plus R2 SSD 60GB drive I purchased on the cheap. Since the AES-encryption looks like it may not work optimally for this drive, I would like to set ...
3
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1answer
195 views

Is file permission secured when it transferred from Ubuntu to Windows?

I am having 9GB text file which is encrypted . This file contains some confidential data . Which is on my system(Ubuntu) and my external HDD (ntfs) . This file get daily updated and then encrypted . ...
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2answers
1k views

Failed upgrade from 11.10 to 12.04 on an encrypted filesystem

Okay, so I was running Ubuntu 11.10 with a dm-crypt/LUKS encrypted file-system and just tried to update to 12.04 with the Update Manager. It downloaded all the necessary packages and started ...
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1answer
535 views

Opening Windows Encrypted Partition using Ubuntu and TrueCrypt

Let's say your Windows System Partition is encrypted using TrueCrypt. Then you run Ubuntu via a USB Stick. I understand that it is possible to mount a TrueCrypt encrypted partition on Linux, but is ...
3
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1answer
309 views

Boot failure on PowerPC Mac with encrypted LVM

I have a PowerBook G4 that was previously running Debian squeeze, and before that, OS X Leopard. It worked fine under Debian, but I disliked the GUI, so I decided to give Ubuntu a try. I downloaded a ...
3
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1answer
2k views

auto mount cryptmount/encrypted loop device

Because of limitation of filename size of ecryptfs, I decided to use encrypted partition. Since I already use ecryptfs, for my home folder, I don't need the key to be password-protected. I need a ...
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2answers
2k views

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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0answers
17 views

failed encryption [duplicate]

Possible Duplicate: How do I reset a lost Administrative (root) password? I just installed xubuntu 12.04, and things seemed to be going fine. I clicked on the updates message and started ...
0
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1answer
62 views

Can I encrypt the OS for boot only?

I have a LAMP system running (of an SD card on small computer) that monitors some arbitrary data. I return the data as JSON from the page so that it can be used in whatever reason its fit for. I ...
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2answers
3k views

Encrypt home drive after installation

I declined to encrypt to my home drive whilst installing ubuntu. Is it possible to encrypt it after installation? if so, how?
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0answers
649 views

Mounting encrypted file system on Windows

Is there a way to mount (read/write) an encrypted file system on Windows? By "encrypted" I mean whatever it is that Ubuntu does to encrypt a file system when you choose that option during formatting. ...
4
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2answers
2k views

How to resize an ext4 encrypted home partition?

Which is the best way in order to resize an encrypted (ecryptfs) ext4 home partition ? Pros nad Cons of each method are greatly appreciated. $ fdisk -l Disk /dev/sda: 256.1 GB, 256060514304 bytes ...
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1answer
4k views

Switch from encrypted partition to unencrypted (Error: cryptsetup: evms_activate is not available)

I initially installed Ubuntu 11.04 with an encrypted file system (from the alternate install CD: Guided Partitioning, LVM encrypted). Now I wanted to change this setup to have my root file system on ...
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2answers
94 views

Which partition is the Ubuntu?

I am encrypting my entire Ubuntu partition with TrueCrypt, but I am not sure which one is the Ubuntu partition? I have dual boot Ubuntu with the other being Windows Vista which has basically no ...
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1answer
179 views

Is /home/userdir or entire /home directory encrypted when selecting encryption during installation?

my question: When selecting encryption during the installation of Ubuntu 12.04: Is everything in /home encrypted or just the home-directory of the user who did the installation? Specifically, I ...
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3answers
3k views

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 ...
2
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1answer
983 views

How to backup/restore full-disk encryption?

How to backup/restore full-disk encryption ubuntu 11.10? I would like to put the RAW encrypted file system and restore on another computer. Encryption Details: crypt setup via Ubuntu alterate CD ...
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2answers
5k views

Where is the tool for password encryption in 12.04?

Ubuntu at Launchpad tells me to set up pgp keys by going to the Passwords and Encryption Keys tool. However I cannot find this program anyplace. In addition info is sparce on the net about Ubuntu's ...
2
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2answers
340 views

file encryption that root cannot read

I have regular user access to a friend's root server. I can put my data there and he (as a normal user) could not read my data, but with the root account he could. If I use something like en ...
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1answer
944 views

How can I implement full disk encryption for a disk containing Ubuntu with plausible deniability?

I would like to have a disk that: has Ubuntu installed is fully encrypted is setup in such a way as to make denial of the existence of the Ubuntu install plausible Truecrypt provides the last two ...
9
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1answer
3k views

Are there any known vulnerabilities to Ubuntu's full disk encryption feature?

Are there any known vulnerabilities to Ubuntu's full disk encryption feature? I have some storage devices (thumbdrive and a few external hard drives used for backups) that I use with full disk ...
4
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1answer
879 views

How does home folder encryption work?

Back when Ubuntu first sported home folder encryption (what, around the time of Jaunty Jackalope?), I opted in. That caused me some grief when I decided to change my login password. I found that I ...
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1answer
2k views

How do I know the password for my encrypted home directory? [duplicate]

Possible Duplicate: Encrypted Home… Forgotten Password, but no Passphrase I encrypted my Home to protect against hackers of course when I first installed Ubuntu. It loaded up the ...
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5answers
5k views

Login screen ubuntu 12.04 not showing user's desktop

I installed Ubuntu 12.04 (x64) and was really enjoying it, but it was a little too slow on my machine, so I've reinstalled with the x32 version (hopefully that terminology's correct). The only thing I ...
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0answers
464 views

Are there any video or Audio encryption software avialable in ubuntu 12.04 repositories

I have to submit my Video presentation and other pptx files so i need them to be encrypted. . Is there any Software or Application available in Ubuntu 12.04 Repositories for doing this. I tried this ...
2
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1answer
1k views

How can I recover encrypted data from a previous Ubuntu installation?

I tried to upgrade from 10.10 to 11.04 but it crashed. It couldn't mount disk drives so I did a new installation without erasing the previous drives. Now I can't access access-your-private-data.
2
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1answer
991 views

How do you backup your encrypted home folder?

I installed Ubuntu 12.04 and checkmarked to encrypt my home folder. How do I backup my home directory at a later time?
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0answers
766 views

How to repair a file on a truecrypt virtual encrypted disk? [closed]

I have a file (say volume.tc), which is a virtual encrypted disk. When I mount with sudo truecrypt volume.tc /mnt/v, I can access most of the files, but one file on this volume (say ...
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1answer
2k views

Encrypted 3TB USB drive GPT /GUID shows wrong size in ubuntu 12.04/64bit

My external USB drive with GUID Partition Table shows wrong size and i am thinking thats stopping TrueCrypt from mounting it. The disk is Formated in Win7 and works there fine. The 2. partition is ...
5
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2answers
4k views

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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2answers
2k views

Encrypted windows partition with ubuntu / Grub configuration

guys i would like to encrypt my windows partition only , as i have dual boot windows 7 ultimate and ubuntu 12.04. I would like to encrypt all my windows partition with truecrypt as i suppose you ...
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2answers
16k views

Encrypting Files and folder through terminal

I am new to part of encryption on Ubuntu . Is there any way to encrypt files and folder with password from terminal ? without using truecrypt or cryptkeeper etc.
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1answer
291 views

Why the cryptographic key was not provided at ubuntu 12.04 first run?

So I installed Ubuntu 12.04 a few days ago and strangely I missed the part where we choose to encrypt home folder. However I already ran the commands on this question (How to check if your home ...
5
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1answer
1k views

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 ...
5
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1answer
1k views

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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2answers
759 views

Partition recovery: How can I insert existing partitions into an extended partition?

In trying to solve a problem with Windows, a tool I was using deleted some of my partitions. I used TestDisk to recover my partitions. While it managed to recover all my data partitions, it couldn't ...
4
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2answers
580 views
2
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1answer
618 views

Can I use gpg on both Ubuntu and Windows to encrypt my files

I have a private gpg key for Ubuntu. My question is: How can I use same encryption key for both Windows and Ubuntu? If I use gpg in Ubuntu, can I use that same gpg key with Windows or vice versa? ...
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1answer
1k views

How can I disable Kubuntu 12.04 home folder encryption?

I use Kubuntu 12.04. It's a relatively new install and when I created my account I had the option to have it encrypt my home folder. I chose to do that. Now I would like to turn that off. I opened ...
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0answers
152 views

Cannot login to user with encrypted directory

I unknowingly deleted the .ecrypts directory while reinstalling Ubuntu 12.04. I created a default user by the same name while installing the new version. However, I couldn't login to the user after ...
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1answer
18k views

How to disable encrypted home directory? [duplicate]

Possible Duplicate: How to stop using built-in home directory encryption? i know encrypted home directory is a great security function but i want tot disable it. i am using Acronis True ...