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

learn more… | top users | synonyms (1)

57
votes
5answers
24k views

How to stop using built-in home directory encryption?

I have a new Ubuntu 10.04 installation with encrypted home directory (using the built-in encryption offered by Ubuntu installer). What's the easiest way to stop using encryption? (I.e., to decrypt ...
16
votes
1answer
17k views

What to do about “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present”?

While booting Ubuntu 12.04, the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present is showing. What is this? Is this is an error?
11
votes
2answers
2k views

How do I recover data from an encrypted Home directory

I opted to encrypt my Home during install, and now I would like to access my data from a LiveCD, unfortunately I'm having trouble following these instructions. I get the error "mounting eCryptfs: [-2] ...
27
votes
8answers
19k views

Is there a tool to encrypt a file or directory?

What's the most popular way to do that?
37
votes
6answers
48k views

Is there a way to password protect 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 / ...
60
votes
4answers
27k views

When installing I'm given the option of encrypting my home folder — what does this do?

Does encrypting my home folder make my computer more secure? Do I have to enter my password more if my home folder is encrypted? What else should I know about encrypting my home folder?
29
votes
8answers
11k views

How can I encrypt data in Ubuntu One or Dropbox?

I'd love to use Ubuntu One or Dropbox features, like file storage and so on, but I don't want anyone else to access my data, USA Patriot act etc.. I want things to be encrypted so that the only place ...
8
votes
1answer
4k views

Encrypted Home… Forgotten Password, but no Passphrase

I am using a cloned hard drive in attempts to restore some old files. The cloned drive has 2 users, one with an encrypted home drive, one without. Both are administrators. When I couldn't get into ...
16
votes
3answers
6k views

How do I recover my data from an encrypted home directory?

I have a big problem. When I made a upgrade from 10.10 to 11.04 I lost all my data in home directory. I have only data from my home encrypted directory. What can I do? Thanks Martin
6
votes
5answers
3k views

How do I encrypt files after skipping the option during installation?

I need to encrypt some files on my machine. I did not select the option do encrypt my home folder at installation, but since there was an option to do so I am guessing that Ubuntu has some inbuilt ...
7
votes
2answers
5k 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 ...
8
votes
4answers
5k views

Securely automount encrypted drive at user login

An encrypted /home directory gets mounted automatically for me when I log in. I have a second internal hard drive that I've formatted and encrypted with Disk Utility. I want it to be automatically ...
10
votes
3answers
8k views

Check if partition is encrypted

How do I check if a partition is encrypted? In particular I would like to know how I check if /home and swap is encrypted.
19
votes
4answers
8k views

What is the performance overhead of encrypted /home?

I have a netbook with Windows on the second partition and Xubuntu (/ and /home) on the third partition. I selected to encrypt my home folder during installation. The performance of the netbook is ...
8
votes
1answer
2k views

How do I encrypt my home partition?

With Ubuntu 9.10 I did not have any encrypted partitions set up, I have since installed a fresh Ubuntu 10.04. I have 3 partitions: OS root (/), home and swap. How do I enable encryption on my ...
5
votes
4answers
2k views

How to encrypt a single folder on my external hard drive?

I'd like to encrypt a single folder in my external hard drive. Which GUI software should I use?
7
votes
3answers
12k views

How to disable cryptswap?

How can I disable cryptswap? I would like an unencrypted swap like before. This is on an ubuntu 9.10 system.
4
votes
1answer
2k views

Swap encryption and hibernating

I run Ubuntu 12.04 on my laptop, with an encrypted home folder + swap partition. Before I had this encrypted setup, I used to have my hibernation enabled. I found this documentation on how to enable ...
6
votes
2answers
1k views

How to encrypt external hard drive to be readable on any OS?

I want to encrypt my new external hard drive so it would be readable/writable on any computer I plug it in. Can I do that?
17
votes
1answer
24k views

Can you unencrypt / remove encryption from a user home folder? [duplicate]

Possible Duplicate: How to stop using built-in home directory encryption? During installation I have chosen to encrypt my user's home folder. Can I un-encrypt it? How would I do that? I ...
14
votes
3answers
4k views

Reinstall Ubuntu with encrypted home directory?

I have Ubuntu 10.04 installed with encrypted home directory. /home is on a aseparate partition. Can I just boot from 10.10 cd, reformat '/' and install as usual? I think it should work if I use the ...
7
votes
2answers
11k views

How to configure LVM & LUKS to autodecrypt partition?

I have recently installed ubuntu server 11.04 with the full lvm encryption(installed from the setup) . I wish now to use a key file to do automatic unlock. I have tried to follow this guide ...
6
votes
4answers
5k views

How can i move an encrypted home directory to another partition?

How can i move a enrypted home directory to another partition? Are there differences between moving an unencrypted home directory to another partition and an encrypted home directory? Perhaps does ...
3
votes
2answers
2k views

How to make a partition truly secure?

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 ...
11
votes
2answers
2k views

How can I determine if just the .private folder is encrypted or the whole home directory?

How can i determine if just the .private folder is encrypted or the whole home directory?
9
votes
3answers
13k views

Can I disable full-disk encryption?

I recently installed Ubuntu 12.10 and it requires a passphrase to boot up (I installed it with an encrypted file system). Do I have to reinstall to change to a standard unencrypted file system?
8
votes
2answers
177 views

Why am I given the option to also encrypt my home folder after I've selected system encryption?

I am installing Ubuntu 13 with full encryption but why am I given the option to also encrypt my home folder. Surely the home folder is covered under the system encryption? I'm confused.
7
votes
1answer
2k 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 ...
7
votes
8answers
6k views

How to create an encrypted partition?

well i'm trying to create an encrypted partition and while i formated it i got the option to choose the partition type (fat/ext2/ext3/ext4/xfs/reiserfs/minix/ntfs) is there any benefit of choosing one ...
4
votes
1answer
13k 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 ...
5
votes
1answer
5k views

How will 12.10 disk encryption affect performance?

As the title suggests. Massive performance degradation? And what technology does it use?
4
votes
1answer
2k views

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 ...
3
votes
2answers
859 views

How do I make space in /boot/?

I have /boot/ on a separate partition from /, and /boot/ is 98% full. How do I make more space on it?
3
votes
1answer
2k views

Why is the size of my .Private folder so large?

Last night I had about 190GB of free space on my 500GB HDD. Today I have about 80GB free. I ran df and discovered that my /home/jon/.Private folder is currently using 80% of my hard drive. What. ...
9
votes
0answers
1k views

How do I disable the Home encryption offered during install? [duplicate]

Possible Duplicate: How to stop using built-in home directory encryption? During install I ticked the box to enable encryption for my Home directory. I'm concerned that it is effecting ...
2
votes
1answer
2k views

Full disk encryption with-preseed?

Ubuntu 8.04 and later provide encryption using LUKS and eCryptfs. The question is how to configure preseed to do it automatically? There is an option in preseed to encrypt user's home, but no option ...
10
votes
6answers
21k views

Mount encrypted volumes from command line?

If I have an encrypted external disk (or an internal disk that is not in fstab), I see an entry for it in Nautilus -- with an entry like "X GB Encrypted Volume". I can click on this volume, and am ...
15
votes
4answers
5k views

Ubuntu One Encryption?

I have two questions... Firstly, is the communication between my Ubuntu desktop and the Ubuntu One cloud encrypted? Secondly, are the files, media etc. stored on my Ubuntu one account encrypted on ...
12
votes
2answers
12k views

Mount a LUKS partition at boot

I have installed an Ubuntu machine with two encrypted LUKS partitions: one for / and one for /home. I've reinstalled the machine to upgrade to 10.04. Again, the / is installed using LUKS, and I'm ...
6
votes
1answer
5k 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 ...
8
votes
2answers
13k 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 ...
8
votes
2answers
3k views

Is encrypting the home directory on an encrypted LVM installation overkill?

I am installing from the alternate CD and using the LVM encrypted hard drive. The installer is now asking if I want to encrypt my home directory, is this overkill?
8
votes
3answers
5k views

How can I read every DVD, even if encrypted by CSS or other?

I sometimes want to use my computer as a DVD-player. Unfortunately I know that I will often have to cope with encrypted DVDs, for example with CSS. Therefore I installed the libdvdcss2 library from ...
6
votes
3answers
2k views

Encrypt folders out of Home

Is there a way to encrypt a folder, which is not in /home but even in a different partition, so only my user can access/read contained files? Alternatively, I would like to understand if it is ...
12
votes
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?
7
votes
6answers
6k views

How to check if DNS is encrypted?

I have installed DNSCrypt , its OpenDNS encrypted DNS patch for Ubuntu & other Linux users & it's working fine. How do I know if my DNS is encrypted? I have googled but didn't find anything. ...
6
votes
2answers
2k 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 ...
2
votes
1answer
2k views

How do I move my encrypted /home to a new computer?

Hi I have a new notebook and I want to move my home data to the new computer. I think there are multiple ways of doing this copy all to a external hdd and move back on new computer do an Deja-Dup ...
14
votes
1answer
6k views

New encryption feature in Ubuntu 12.10: home encryption or full disk encryption? or both?

How do I correctly encrypt the entire partition when installing Ubuntu 12.10? I ask because the new Ubuntu installer now shows two encryption options. After choosing "Encrypt the new Ubuntu ...
9
votes
2answers
2k views

Which algorithm does “encrypt home directory” use?

When encrypting a user's home directory, either during the install procedure or later using ecryptfs-migrate-home, what encryption algorithm / key size is used by default?