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1 answer
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Token-based, single-factor LUKS full disk encryption

We're building a Linux-based system that will be located at our customer's site and operated by our customer. We want all data on that system to be encrypted so if it gets stolen the data is still ...
Johannes Bauer's user avatar
0 votes
0 answers
352 views

Ubuntu LUKS won't accept password after installing Nvidia GPU driver

I have Ubuntu 18.04.3 running with full disk encryption on my 2014 macbook pro 15. To take advantage of the Nvidia GPU on my computer I decided to install the proprietary Nvidia driver (390) which was ...
litmus's user avatar
  • 141
2 votes
1 answer
1k views

How to make systemd start ssh.service before generated crypttab units

I have a server, running Debian Buster, whose root filesystem is not encrypted, but other drives are. [ETA: All of the OS system directories (/var, /home, /etc, etc) are in the unencrypted root ...
Askeli's user avatar
  • 121
0 votes
2 answers
3k views

Linux Debian install on SSD with LUKS full disk encryption - Will adding home directory encryption add additional wear to SSD?

I read a lot of posts on SSD wear and full disk encryption awhile back. Many are dated or conflicting, but the general consensus seemed to be that full disk encryption through LUKS or another full ...
Teatree's user avatar
  • 11
3 votes
1 answer
763 views

LUKS Cryptsetup Options Failing for Raspberry Pi 3 Model B+ Running Kali Linux ARM

I've scoured the internet for help on this, and it seems I'm one of the only people with this problem. I recently downloaded a fresh copy of Kali Linux ARM for the Raspberry Pi 3 Model B+, and I want ...
computer_geek64's user avatar
1 vote
0 answers
1k views

How to obtain volume encryption interoperability between Android and Linux (LUKS)

On Linux, I use LUKS to encrypt containers (a filesystem on a file), which is portable as it can be easily copied, stored on any external filesystem, such as FAT or NTFS on external drives or SD cards....
user avatar
2 votes
1 answer
6k views

What is the default encryption key-size for dm-crypt / cryptsetup in LUKS mode?

I'm using cryptsetup 2.1.0, for which the default encryption options are (as reported by cryptsetup --help): Default compiled-in device cipher parameters: LUKS: aes-xts-plain64, Key: 256 bits, ...
haelix's user avatar
  • 408
4 votes
2 answers
6k views

Migrating from unencrypted Ubuntu 16.04 to LUKS Encrypted install of 16.04

My company is working on implementing some Ubuntu Systems in a few of their new testing efforts and I have been tasked with an encryption solution for them. Having been a primarily Windows user with ...
Brendan77222's user avatar
1 vote
1 answer
333 views

Why won't my Linux machine start?

In November I bought a Librem 15, which is a Linux laptop running PureOS. PureOS isn't Ubuntu but it is a Debian-variant that has a lot of security/privacy settings enabled by default, so it's very ...
soapergem's user avatar
  • 1,708
4 votes
1 answer
3k views

Open LUKS volume using key stored in kernel keyring

Has anyone managed to have cryptsetup open a LUKS volume using a passphrase stored in the kernel keyring? According to this article (see towards the bottom) it should be possible. I have a passphrase ...
rvdp's user avatar
  • 233
5 votes
1 answer
8k views

Data access speed in LUKS encrypted partition

In Linux (Fedora 28) I have my home directory LUKS encryped, when using Gnome Disk (screenshot), I can benchmark separately the underlying LUKS partition (upper blue rectangle) and the decrypted home ...
alfC's user avatar
  • 343
0 votes
2 answers
659 views

Accidentally Restored LUKS Header on Regular Filesystem

I am in really big trouble right now, so a VERY quick solution would be much appreciated. I was in an SSH session on my laptop that has LUKS encryption, and I thought I was restoring its header. But I ...
computer_geek64's user avatar
0 votes
2 answers
5k views

Error unlocking /dev/sda: Failed to activate device: Invalid argument

Occasionally, unlocking my luks encrypted disk errors with this: https://i.sstatic.net/eTzoz.png (posted link because not enough rep for images) Trying to mount /dev/sda returns mount: /dev/sda: can't ...
user avatar
5 votes
1 answer
2k views

Reading LUKS encrypted devices under FreeBSD

I have currently Debian installed. All my external devices a encrypted LUKS devices. Now I want to switch to FreeBSD, but my question is, is it possible to read my devices under FreeBSD?
beli3ver's user avatar
  • 171
6 votes
1 answer
8k views

Error unlocking /dev/sdb1: Failed to activate device: Operation not permitted

After updating my PC to Ubuntu 18.04, I'm not able to mount my encrypted disk anymore. Error unlocking /dev/sdb1: Failed to activate device: Operation not permitted NAME ...
qwertbert23's user avatar

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