Questions tagged [disk-encryption]
Disk encryption is the process by which every bit of data on a disk is encrypted, protecting it against unauthorized persons.
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Running cryptsetup commands without sudo permissions
I'm trying to figure out how to run cryptsetup commands without the use of sudo.
This is so a non-root user could run a script to unlock and mount two luks-encrypted drives when they are needed, ...
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How safe is VMWare encryption?
VMWare encryption is really safe ? It would resist attacks like than a LUKS container ??
Or create a LUKS container and then place the plain virtual disk inside it would be more resistant and secure ?...
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What would have better performance for VMWare Workstation? Encrypted container or encripted virtual disk?
What would have better performance using VMWare Workstation?
Create an encrypted LUKS container and then create the plain virtual disk ?
or
Just create the encrypted virtual disk and save as it is ...
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1answer
33 views
How is I/O encryption handled in modern systems? [closed]
First: I've struggled with the question on which stackexchange to post this question since it involves OS knowledge, hardware knowledge but probably also other CS fields. Suggestions for a better ...
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Self-encrypting hard drives with unattended boot
Does hardware exists that allows to have a self-encrypted drive automatically unlock at boot, without anyone entering a password and without being able to bypass the security by resetting BIOS.
I am ...
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HOW TO: Manjaro LUKS encryption with a keyfile from a pendrive
I installed a default installation of manjaro, with full disk LUKS encryption enabled. It works fine, every time I start my system I'm asked for a password
Well I'd like to stop being asked for a ...
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1answer
34 views
How to know which is the real drive behind the mapped block device?
I configured my box to boot from an alternative disk through modifying the existing os. However, some partitions are still being mounted from the internal storage.
In the case of the /home partition, ...
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1answer
149 views
GRUB Bootloader with root LUKS encryption: Only grub shell
I would appreciate help and hints to solve a problem with the GRUB bootloader.
I have a system with root LUKS encryption. Means that except the partition with the bootloader, the whole system is in ...
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1answer
50 views
Does Pre-boot encryption works on all drives or just the C drive
Does Pre-boot encryption works on all drives or just the C drive?
where does the recoverykey store
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24 views
Cryptsetup inside initramfs issue with device mapper
I am trying to build a custom Linux Distribution using Buildroot with LUKS1 based encrypted disks. In order to to that, I had to create an custom initramfs image and added the cryptsetup and all its ...
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How does Samsung Secure Erase for SSD compare to complete overwrite? [duplicate]
I've heard a few different answers on this and I am curious to find out whats really going on. The secure erase process requires you too boot your computer from an usb directly into the erase ...
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Encryption after Symlinks are made
I wanted to ask before I did something really stupid. So, here it goes...
.
Here's the components I will be referencing:
"LinuxOS" Partition (dedicated disk; no other partitions on the disk)
"...
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2answers
238 views
Can someone steal hard drive contents by extracting the drive from inside computer?
In fall 2019, I had my personal laptop stolen from my car. It was password protected. It hadn't occurred to me to set up a hard drive encryption program.
I am wondering, if the thief were to take ...
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Multiple password for macOS disk encryption, like on Linux
On Linux, you can add multiple passwords to an encrypted (LUKS) drive. Is this possible on the Mac on APFS?
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Startup job running for keyfile?
I am trying to install an Ubuntu system with full disk encryption (LVM on LUKS) and automatic decryption using a local keyfile. However, after following multiple tutorials and setting up everything ...
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38 views
Installing Debian on existing encrypted LVM disk
I had Debian installed with encrypted LVM and seprated partions for /root, /home and etc...
Now my os is broked and I want to reinstall Debian on it again without losing my data on /home partion
But ...
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87 views
BIOS/UEFI update and BitLocker suspension
I can read on many pages that when you update your BIOS/UEFI, you need to suspend BitLocker (for information, mine is configured to ask for a password at startup, no TPM in my machine).
But none of ...
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Opal 2.0 compliance in “a system”
I can read on this page : https://www.crucial.fr/fra/fr/setup-ssd-encryption-via-bitlocker
"Opal 2.0 support: The system must support Opal 2.0 safety standards.
The Opal 2.0 standard is not ...
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0answers
108 views
tpm2 take ownership eroor | Failed to initialize tcti context: 0x1
When I enter the following commands I have the errors, can someone help me with this?
How do I solve?
tom@lol:~$ sudo tpm2_takeownership -c
Failed to initialize tcti context: 0x1
tom@lol:~$ sudo ...
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0answers
52 views
use EFS certificate on multiple computers to encrypt and read files
What I want is to create a single EFS cert for use on multiple computers to encrypt/decrypt files.
I have two computers, PC1 and PC2, and when I try to copy PC1's encrypted files to PC2, these files ...
0
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1answer
123 views
How to decrypt the luks encrypted hard disk password automatically using tpm2 | ubutnu 18.04
I have encrypted my hard disks using default method(Luks encryption) present in ubuntu 18.04 and I have tpm2, now i wanted to save my passwords on tpm2 device and decrypt automatically without ...
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2answers
380 views
How to decrypt the encrypted partition of the drive without the decryption key(USB)
So please bare with me as I'm a total amateur but this is what's happening :
Years ago when I got paranoid about the internet I stupidly got in over my head when I decided to encrypt the majority of ...
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Can't encrypt a non-system drive in-place with VeraCrypt
I've just started using VeraCrypt and used it to encrypt my system drive (Windows 10) with no problems - however, I wanted to also do this to my main storage drive, on which the system does not reside....
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How to encrypt a shared NTFS partition that is used by Windows and Linux on a dual boot system? [duplicate]
I use an NTFS partition for data that I want to access with applications both on Windows 10 and Ubuntu (Text files, Emails, Source code, ...).
Is there a way to encrypt this data partition such that ...
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0answers
21 views
Forcing DM verity to wait until Luks has decrypted the data partition
I have been looking through systems and how it auto generates different services at boot. I noticed that DM verity starts before the luks service starts, I am wondering if its possible to force DM ...
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Why do I need to chkdsk my bitlocker encrypted vhd every time I mount it?
I've got a .vhd NTFS drive which is bitlocker encrypted.
At some point I guess a rogue power cycle or plain old random corruption got to it and I need to chkdsk it every time it's mounted. The ...
2
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2answers
368 views
full disk encryption and encrypting swap with temporary keys
When I installed Debian Buster (with a stock 4.19 kernel) on my device, I opted for guided partitioning with full disk encryption.
So the current setup is LVM on LUKS, and /boot is unencrypted:
user@...
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14 views
Allow Reboot Without Full-Disk Decryption Password (RHEL 7.7)
I am a new admin on a RHEL 7.7 machine which has had full-disk encryption applied. A reboot prompts for the full-disk decryption password, which means the machine cannot be rebooted remotely (the ...
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44 views
I want to make a hard drive unacessable without a password
I wanted to make an External hard drive unaccessible without a password/key. I did some research and encryption with prevent read but, I also want to prevent write without having to write a script in ...
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2 SSD with 2 linux distros: 1 full encryption, 2nd one: home encryption. Is it possible?
I would like to install on my laptop 2 linux distros on 2 SSD's,
and wanted to know if it is possible.
1st SSD: KDE Neon full encryption,
2nd SSD: any other ubuntu distro with home encryption.
is it ...
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0answers
155 views
Knowing the password, how to obtain recovery key from bitlocker partition?
My bitlocker-encrypted Windows wont start up with the password, instead it asks for the recovery key. However, I can mount the partition and access files -albeit readonly- using dislocker on ubuntu.
...
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Execute script with networking before booting Linux
I would like to have my Linux systems use hard disks that are encrypted, and can be decrypted with some sort of key in Active Directory.
I would like the system to prompt for a username and password ...
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encrypted swap file with btrfs
Per Btrfs documentation:
From kernel 5.0+ btrfs have native swap files support, but with some limitations.
The archlinux Wiki, meanwhile, gives instructions for encrypting a swap partition, ...
1
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1answer
737 views
Is it possible to split partition on Bitlocker encrypted drive?
I'm currently using Bitlocker encrypted external hard drive. It's single partition and the entire disk is encrypted.
I'd like to split the single partition into two partitions while enabling ...
1
vote
1answer
248 views
How to install Linux on pendrive for UEFI?
I have successfully installed Linux Mint on USB pen-drive with disc encryption from live CD (not by using universal USB installer). It asks for password during BIOS boot – it works perfectly.
However ...
0
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1answer
108 views
Lenovo Thinkpad Unknown Password
A Lenovo ThinkPad has an unexplained password prompt that appears after POST.
Even when I go to the BIOS I still have to go through this password.
I have tried turning all passwords I could find in ...
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389 views
LUKS encrypted drive will not accept password
I have a brand new 4TB drive that I installed and encrypted using this tutorial:
https://www.tecmint.com/encrypt-drives-using-luks-in-fedora-linux/
System is a fresh install of Fedora 30.
When I ...
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1answer
76 views
How can I tell if my Windows 10 laptop has an encrypted drive or not?
How can I tell if my Windows 10 laptop (Hewlett Packard Stream 11 running Windows 10 Home in S Mode) has an encrypted drive or not? Thus far I've discovered the following:
Apparently Bitlocker is ...
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Surface Go encrypted with BitLocker: what is the password?
My friend's Windows Surface Go BSODed after the latest windows upgrade. Seems like it can't boot to Win, and after many tries we gave up trying to recover the system and we are going to format it and ...
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0answers
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Encrypted external HD via Windows now using Linux Mint and cannot Mount or Access
I recently moved from windows and i deleted it completely and overwrite with linux operating system because i never wanna see windows again, it gave me the biggest headaches because of its mechanical ...
0
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1answer
1k views
Is it possible to disable Bitlocker for Windows 10 Safe mode?
Every time I'm in the process of booting into Windows 10 Safe Mode, it asks for the Bitlocker recovery key. Is there some way to either permanently or temporary disable Bitlocker for Safe Mode/...
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Performance when using encrypted external drive on raspi 3b+
I read here that the speed for an encrypted external drive on the pi is about 3MB/s. Is there a way to increase this by using a different cipher for dm-crypt/luks or tweak it in some other way?
8
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2answers
656 views
I turned off BitLocker encryption on my 5TB drive and now it continues to decrypt for days!
I am worried I will lose my data while the drive decrypts. It is now at 23.2% encrypted and continues dropping to 23.1 etc.
Do I have to wait until it reaches 0% encryped before I can turn my PC off? ...
0
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1answer
151 views
disk partition encryption: /etc/crypttab file ignored
I'm fairly new to luks and cryptsetup tool and trying to use them on a Beaglebone to encrypt a partition. I'm able successfully encrypt a partition and then access it and mount the mapped device ...
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191 views
linux : how to encrypt filesystem on-the-fly
I have many laptops under Linux (Ubuntu for most of them) which I have to encrypt. I would like to encrypt them "on-the-fly" without to format and re-install it with encryption.
VeraCrypt works for ...
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How to retrieve or change Filevault password (not user login PW) using FV Recovery Code?
Scenario:
- I'm running Mac OS X High Sierra on a FileVault-protected MacBook Air (2011-ish), and managed to turn the only Admin account on the machine into a Standard one (tried to change name of ...
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158 views
Hard drive causes computer to freeze after bitlocker crashed during encryption of hard drive
What happens when bitlocker crashes during encryption of hard drive?
Because that happened and since then whenever i plug in harddrive, it freezes after like 10 seconds
Ps: any tips to resolve the ...
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1answer
74 views
How to change filesystem of truecrypt volumes?
How do I operate on these volumes? If I mount them, they are directories, if I do not mount them, they are encrypted. What about an outer partition that may be host to a hidden partition, will a ...
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2answers
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Can I ever get my Data back?
About 2 weeks ago I was doing a decryption to a partition on an External HDD.. - encryption type:(Bitlocker Encryption). But Unfortunately my laptop had shut down during the operation. since then I ...
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0answers
301 views
Veracrypt not unmounting volume when rebooting windows 10
I use Veracrypt with a 100gig encrypted volume. I find that this is a good solution on my laptop because if my laptop gets stolen the work is in an encrypted veracrypt volume and is protected. The ...
