encoding information in a way so that it can only be decoded if a secret is known; used to prevent exposure of data to other parties

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3
votes
3answers
757 views

slow media - disk cache tuning?

Is there any way to make the system more consistent when using LUKS? (or slow storage in general) as it is everything is snappy until the write buffer is full, then everything grinds to a halt as the ...
4
votes
1answer
65 views

Editing Truecrypt Hidden Volume's Outer Volume?

I just created a tor hidden (plausible deniability) volume. I used a 32GB USB flash drive, for the outer volume, and made the inner volume 20GB. Does this mean that I can safely add another ~12GB of ...
3
votes
1answer
40 views

Verify that partition is encrypted

I just installed Debian and as far as I can remember I encrypted my home-partition using LVM. During the boot process I haven't been asked to enter the password. Is there any way to check whether ...
3
votes
1answer
97 views

Protecting file system contents with TPM and Encrypted File System

I have been assured that this is possible, but have so far not found any reference that will clue me as to how to do it. I need to deploy an "appliance" with software and data that the user is ...
1
vote
1answer
258 views

Grub2 keyboard layout when decrypting partition

According to the OpenSUSE 12.3 documentation the only keyboard layout which can be used during a Grub2 boot is the "US keyboard layout". Is there really no way to change the keyboard layout used when ...
0
votes
1answer
16 views

What is the encryption function in Encfs?

I'm a newbie at Encfs. After I read a paper about Encfs, I figured out there is a Encryption layer in Encfs. So I tried to find exact encryption function. but I couldn't find that because there are ...
0
votes
1answer
94 views

Errors when booting with encrypted LVM

When I boot my computer and I have to enter the password of the encrypted lvm, there are always a bunch of annyoing messages like: "usb string descriptor 0 read error: -22". How can I fix that? my ...
0
votes
1answer
148 views

Encrypted USB 2.5“ to unencrypted internal 3.5” hard drive copy speed

I am moving data from an external USB 2.5" hard drive (encrypted with cryptsetup) to an unencrypted internal 1TB 3.5" hard drive on a GNU/Linux quad-core headless server with 2GB RAM, using Midnight ...
3
votes
0answers
322 views

How to set up an encrypted directory to be mounted only during samba access?

(This is not about restricting client access, for which ext3 permissions do the trick) I'd like to encrypt the data on my NAS drive (Buffalo LinkStation Pro with SSH access enabled, if that matters) ...
2
votes
0answers
64 views

Is a virtual encrypted disk stored in a file on a NAS allowing for concurrent R/W access?

I'd like that all the data stored in a NAS is encrypted. The NAS is used for a) daily backups AND b) as a shared hard disk for users, allowing thus concurrent read/write access. All machines are ...
2
votes
0answers
58 views

Accidentally overwrote boot sector of encrypted drive: any way to recover data?

I had one external drive on which I was storing a large quantity of data; the drive is/was encrypted using gnome disk utility. I got a second drive for redundancy and I was preparing to encrypt it. ...
2
votes
0answers
96 views

Debian Live 3.x with encrypted root filesystem

I'd like to build a Debian Live system based on sid with an encrypted root filesystem. It's quite easy to install a Debian system with a rootfs encrypted with dm-crypt/LUKS, so I suppose it's also ...
2
votes
0answers
224 views

How can I mount a dm_crypt device during boot, it fails all the time

EDIT: Problem solved, i updated from Debian 6.0.6 to 7.0.0, everything works now! I have a complex problem at booting. Basically, I have a debian apache box, as a music server in my home network. The ...
2
votes
0answers
166 views

How do create an encrypted system with multiple Linux distributions?

A few weeks ago I created a completely encrypted system on a notebook and must say I like the idea. It's a little bit annoying to enter the password on every boot, but it's nice to know even if I ...
1
vote
0answers
32 views

Transparent encryption of bash history?

I'm not sure if anyone has done such things before. I want bash history to be fully encrypted, prompt for password when in interactive session. Is that possible?
1
vote
0answers
35 views

Can't run rsync with an EncFS'ed folder

I am trying to sync a folder, but each time I try, I get the following: oshiro@debian:/var/www$ sudo rsync -av --delete --dry-run /var/www/ /home/oshiro/backup/www/ [sudo] password for oshiro: ...
1
vote
0answers
48 views

What keys are generated during Debian 7.4 (Wheezy) installation?

We are concerned lest /dev/random (or /dev/urandom) be hit too early in the installation process for adequate entropy to be developed. In a basic Debian 7.4 installation (SSH Server and basic ...
1
vote
0answers
31 views

Encrypted subversion checkout without root access

I would like to create an encrypted subversion checkout on a machine I don't have root access on. One thing I could do is checkout in a temporary directory, tar it, and subsequently encrypt with gpg, ...
1
vote
0answers
87 views

Reverse ssh-agent forwarding and unlocking remote keys with your local keys

So the following two things should both be possible to do with ssh the question is just how difficult they would be and I'm hoping someone can give me an easy answer. 1) Suppose I have several ...
1
vote
0answers
28 views

How do I encrypt the main partition of a SIFT (Ubuntu 9.10 variant) install?

I've got SIFT (based on Ubuntu 9.10) installed on a work laptop. We're trying to encrypt the entire installation (root partition and swap), which is apparently doable using LUKS, but I'm having some ...
1
vote
0answers
126 views

Installing IPSEC on FreeBSD

how to install IPSEC on two FreeBSD 9.0 machines to can send an encrypted packets between them , and let them read the encrypted packets .
1
vote
0answers
261 views

Multiple distros in VM with encrypted disk

I want to have a GNU/Linux setup on my computer, where I could use different distributions and isolated environments inside an operating system-level virtual machine. Then I also want to share my ...
1
vote
0answers
159 views

Implementation of eSTREAM ciphers available?

Is there a usable implementation of the eSTREAM stream cyphers available for Linux? I was thinking to use that for encrypting data stored on tape drives, using it with tar. Now, there are some basic ...
0
votes
0answers
16 views

Decrease crypted LVM partition

On a Linux Mint install, I used the option to use whole disk and encrypt it. Now, I want to install Windows on another partition. How I can safely decrease size of this encrypted LVM? Of course, ...
0
votes
0answers
21 views

Cant create encrypted partitions during Debian installation

I am using debian 7.4 cd. When I set a partition as '/' during manual partition.It is fine. However when I then try to use it as 'physical volume for encryption'...everything works fine it erases and ...
0
votes
0answers
20 views

Batch encrypt all mail on IMAP server

I would like to keep my emails on my provider's IMAP server for convenience and as backup archive; however, I do not want my provider (or anybody else) to be able to read those 'archived' emails. ...
0
votes
0answers
59 views

Encrypted Zorin 7 Partition HELP!

I had Zorin 7 Encrypted Harddrive option installed on my laptop. I accidentally deleted important GRUB data trying to make more room in the boot folder i think? So the computer would no longer boot ...
0
votes
0answers
43 views

adding systemrescuecd to /boot partition

I want to install Arch Linux on my external HDD for work with encryption and, while doing that, I want to add systemrescuecd to /boot partition so that I can boot into rescue live distros like ...
0
votes
0answers
55 views

Boot disk unavailable

Background I've got one 32GB SSD that I have Ubuntu 12.10 installed on (this drive is encrypted), and two 1.5TB drives that will serve as storage and backup respectively. I have formated both drives ...
0
votes
0answers
1k views

How to bypass WD MyBook Essential external HDD hardware lock?

I have a Western Digital Mybook Essential external HDD 2TB which is password locked. Well with my old OS it showed me that is unlocked, but as I changed the OS it's showing that is locked, I've ...