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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5
votes
1answer
55 views

Can swap be encrypted per user?

The problem arises for a multiuser computer with encrypted swap, as to how to allow each user to hibernate and resume from hibernation without compromising the security of the other users. I'm ...
4
votes
1answer
93 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
43 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
161 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 ...
2
votes
1answer
24 views

Usage of pinentry with keepass2 for gpg mail encryption

Debian Jessie, XFCE 4.10, KeePass2, IceDove (with Enigmail).. I'm using KeePass2 generated passwords for my gpg private key, to de/encrypt mails. Icedove is my client which uses the enigmail. As ...
2
votes
1answer
368 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 ...
1
vote
1answer
37 views

full disk encryption (including swap, possibly plausible deniability as well)

I'm looking for a method to encrypt my laptop including the swap partition. I also read trough older similar questions but mostly the answer included just a what not much of a how. (Currently I'm ...
0
votes
1answer
14 views

Simple encryption for ubuntu

How can I set an encrypted directory. Once accessed with a password, all files saved into it should be encrypted on the fly. It has to be possible to back-up as it were just a big file. And I don't ...
0
votes
1answer
25 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
98 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
161 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
28 views

SHA512 salted hash code question

I'm puzzled by the hash (ASCII) code stored under Linux (Ubuntu) /etc/shadow. Taking a hypothetical case, let password be 'test', salt be 'Zem197T4'. By running following command, $ mkpasswd -m ...
3
votes
0answers
507 views

Full disk encryption with dm-crypt (without LUKS)

I am currently trying to achieve full disk encryption using dm-crypt in plain mode without LUKS header with a separate /boot on USB stick. My main goal is to achive plausible deniability on a ...
3
votes
0answers
441 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
89 views

Dual boot Linux partition scheme with encryption

I am trying to figure out how I should encrypt my machine. I am reorganizing and will have two 500GB drives. I am setting up a dual boot system (both linux). My prospective partition scheme: sda: ...
2
votes
0answers
90 views

expanding boot, moving LUKS root

GPT > Partition2 > LUKS > btrfs I need some additional space for my boot volume, so far I did: Shrink my btrfs volume by 250MB. btrfs resize -250M / Shrink the LUKS root volume cryptsetup ...
2
votes
0answers
83 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
78 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
274 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
196 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
29 views

Creating an encrypted file container as a non-root user

Linux kernel 3.2.0-64-generic here (Ubuntu LTS if someone is wondering about kernel options / modules). I have some file space on this Linux server (~ 24 GB). I would like to use this space as an ...
1
vote
0answers
78 views

Encrypt root file system and decrypt using U-Boot with key stored in FPGA

We are using Cyclone V, which essentially is a SOC comprised of FPGA + ARM core. Is it possible to encrypt the root file system and decrypt it by using U-Boot with a key which is located in the FPGA?
1
vote
0answers
41 views

How can I tell If a file is NTFS encrypted?

When I copied some files from work onto my external hard drive it copied them as encrypted files. NOTE: The drive is not encrypted - just individual files. Now when I try to copy files from the ...
1
vote
0answers
59 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
82 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
38 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
122 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
31 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
140 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
295 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
168 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
3 views

Does the debian setup with lvm also encrypt the swap partition?

I'm planning a fresh debian install on my notebook and want to have full disk encryption. But I mainly hibernate, which is why I want my swap to be encrypted as well. During the graphical expert ...
0
votes
0answers
28 views

Centos 7 - Encrypted installation won't boot

I installed CentOS 7 netinstall (minimal installation) on a VServer with the following partitions: /boot - 200MB - XFS / - 50GB - XFS Encrypted swap - 512MB - swap Encrypted I ...
0
votes
0answers
13 views

fsix Gold Server with Goldkey smartcard. Need to decrypt volume

I have a client that stopped paying support to WideBand and I have no clue how to get their files off that server and onto something newer. I can logon over the network but when trying to bulk copy ...
0
votes
0answers
56 views

Archlinux dm-crypt setup problem

I'm trying to setup dm-crypt to have complete encrypted volume and flash drive, that contains all the /boot partition.(i.e. in terms of archwiki I want to achieve #Plain dm-crypt(bit.ly/VNLKw0) ...
0
votes
0answers
30 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
75 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
42 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
97 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
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 ...