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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Is there any way to get the BitLocker password from the laptop?

I have a personal hard disk of 1TB with lot of data. I connected it to my office laptop and the drive got bitlocked automatically within a second. I talk to the office administrators and we ran the ...
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Auto reboot of a Luks Container

I have tried autobooting a luks container on Ubuntu Server (20.04) with a keyfile and a keyscript. My '/etc/crypttab' entry for both options are as follows. Keyfile: dm_crypt-0 /dev/sda3 /root/...
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Peppermint OS boot failure because of disk encryption

I'll start off by saying that I had found a temporary fix but need a permanent one, which I don't have sufficient expertise to do it. My temporary fix is just a lucky guess that worked the first try, ...
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Veracrypt asks password twice on boot (Dual boot)?

I have a laptop with dual boot (Windows 10, Windows 11) and only windows 10 is encrypted. My problem is that I get asked for password before being able to choose which Win OS I'll load. My windows 11 ...
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Migrate LUKS encrypted Linux Mint and Bitlocker encrypted Windows to *same* disk

It's been a while since I installed my LUKS encrypted Linux Mint 19 on a M.2 SSD drive and Windows 10 with BitLocker encryption on a separate SATA SSD drive. I used them in dual-boot mode with GRUB ...
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How to recover corrupted ext4 partition after in-place cryptsetup-reencrypt without resize?

I ran the following to encrypt an existing ext4 partition (spanning all 4TB of my external hard drive) cryptsetup-reencrypt --new --type luks2 --reduce-device-size 32M /dev/sdb1 I didn't resize the ...
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What happens if Veracrypt encrypted USB device is pulled out without dismounting?

Suppose you have a USB device (e.g. pen drive) that is entirely encrypted using Veracrypt (the "Encrypt a non-system partition/drive" option in Veracrypt). If this device is pulled out ...
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Cannot turn on Bitlocker on 1 SSD drive, can turn on on 2 other drives of the same laptop

I want to turn on Bitlocker on a Laptop. Windows 10 LTSC 2018, Core I7, 32 GB RAM, DELL 7540, 2 NVMA SSD + 1 2.5" 2TB SSD. I can turn on Bitlocker on both NVME (one OS and one data drive) but not ...
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difference between passphrase and key file in LUKS

I'm trying to understand with no success the difference between a passphrase and a key file in LUKS. At first I thought they were the same thing, with the difference of a key file being a passphrase ...
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Unknown disk on external after optimization and windows explorer failure

Here is my situation. I have error as unknown disk on external hard drive from USB (hdd not ssd) after optimization and windows explorer failure (just process hanged in Windows10, and after kill ...
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SD card OS work environment useable on many machines

I am looking for a way set up an Windows 10 on an SD card, that I could use with different machines. How I would like that to work: SD card and all the data is securely encrypted I plug it into a ...
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Encrypting USB media or disk volumes while retaining OS interoperability

Are there any established or emerging standards for encrypting USB media or disk volumes such that the encrypted volumes are accessible on any OS? If Windows compatibility requirement is dropped, what ...
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How to create Kali Linux Encrypted Persistence?

I am trying to create an encrypted persistence on Kali Linux. I use following guide: Boot in live cd encrypted persistence sudo cryptsetup --verbose --verify-passphrase luksFormat /dev/sda2 sudo ...
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How to encrypt a Virtualbox Image file with a password?

I have an ubuntu server running in Virtualbox. I want to export the VM as a .ova file to be able to import it later. I want to encrypt that image with a password or some kind of a key. Will I be able ...
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How do I set up a task sequence to install mint and then encrypt with Clonezilla?

So I have done a network install (PXE) with Clonezilla. But I need all my machines to have full HDD/SSD encryption (Medical data). We are using Mint, encryption for the HDD/SSD can be set at install ...
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How do I erase a fully encrypted disk without admin password

I've received a laptop from winning a bet. It came with a fully encrypted disk and all bios boot settings locked. I'm not sure how I go about getting it wiped in order for me to sell it?
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Debian/testing Linux on an encrypted LVM - filesystem intensive operations cause system to freeze and crash system-journald service

I use Debian/testing Linux on my multiple machines. For security reasons, I always install it on an encrypted LVM. Typically I use the ext4 filesystems with size 1TB to 3TB. Unfortunately, it creates ...
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How to setup disk encryption + periodic backup (SSD -> HDD -> Cloud) on a dual-boot environment?

super users! I have this Dell laptop with 1TB SSD (half Windows 10 and half Ubuntu 21.04), GPT partitions and EFI boot. I also have a 1TB HDD installed on the laptop that I intend to use only to ...
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Completely remove McAfee Endpoint Encryption using command prompt

So what happened was that I was manually uninstalling all McAfee software I had on my windows pc and I uninstalled them all except for the Endpoint Encryption. I have uninstalled the McAfee agent so ...
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Is "cryptsetup" needed when changing files "crypttab" and "fstab" manually?

I'm setting up a new Linux host and want to have an encrypted SWAP partition. The file /etc/crypttab was missing, so I installed the package cryptsetup, which created that. Afterwards I simply edited ...
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Dual Boot with LUKS Encrypted Debian & Windows? Fails to Boot?

I've been trying to install an encrypted Debian Dual boot with my windows, but have been having a lot of trouble getting it to work. Here is what I did for my current setup, after following a bunch of ...
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Can't mount LUKS encrypted drive

Note: Cross-posted I have a LUKS encrypted disk that I can unlock, but not mount: $ sudo cryptsetup luksOpen /dev/sdb1 disk4tb # enter key $ sudo mkdir /mnt/disk4tb $ sudo mount /dev/mapper/disk4tb /...
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ZFS beginner questions. Activating passkey, etc

I am on a journey of migrating a Windows/NTFS backup to Ubuntu and natively encrypted ZFS. As a Windows veteran with zero Linux experience, most guides seem like Greek to me. Successful progress yet: ...
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Windows 10 disk encryption [duplicate]

I have a Windows 10 Home, which as I understood from online tutorials does not support windows built in encryption tools like Bitlocker. Moreover, it seems that may device does not support encryption ...
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VeraCrypt taking a very long time (~1 hour) to create volume?

To get to 50% on a 1.8TB volume, VeraCrypt has taken about 30 minutes. If it takes another 30 minutes to finish, that's 1h to create the volume. Is this normal? (if it in't should start over after ...
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Can interrupting mounting and dismounting cause data loss?

I'm using veracrypt to safely store files. Occasionally it seems to hang (for 5-10 minutes or more) when mounting a volume. So I gravitate towards force quitting the application, ejecting the volume, ...
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cryptsetup 2.3.4 rpm for CentOS 7?

I have been searching for cryptsetup 2.3.4 as I want to use --perf-no_read_workqueue. According to the release note, the option is newly added in 2.3.4. However, my CentOS 7's official repository only ...
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BitLocker not accepting correct recovery keys

As a test before upgrading to Windows 10 20H2, I disabled Secure Boot and rebooted. I was shown a BitLocker Recovery screen and prompted for the recovery keys. I tried both keys I was given (there are ...
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After reinstalling windows on my pc I can no longer decrypt a folder I have a valid pfx key for

The title says it all, I reinstalled windows on my PC by wiping the drive and starting fresh. Before doing that, I copied the certificate key for my encrypted folder. Now on the new windows ...
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Does Stopping a Bitlocker Encryption Process Damage Harddrives or Data?

I've started Bitlocker Encryption on a pretty large internal drive around 4TB, it's obviously a stupid mistake from my side. It's been running for a long time. What will happen if I cancel it which I'...
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Is it theoretically possible to resize a partition encrypted using Bitlocker (without decrypting the data first)?

From what I've been reading, the guideline regarding manually changing the size of a Bitlocker encrypted partition is: (a) decrypt the partition. (b) resize the partition. (c) re-encrypt the partition....
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Why can't I type reliably at my pre-boot password prompt?

When using either Veracrypt or BitLocker full system disk encryption for my Windows 10 pro install I see the behavior seen in this gif. When doing the initial "system check" where I reboot ...
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-1 votes
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Is it possible to remove a disk encryption?

I have a question about disk encryption. I've read that the best tool to encrypt a whole disk on an existing Windows installation is VeraCrypt. I'm doing it for security and privacy reasons. But ...
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Login bypass in linux?

I have installed CentOS on my 1U server with LUKS encryption. My question is - is there any possibility for someone to access any of the files on the hard disks if the machine is running and he's on ...
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How to access a hardware encrypted Intel 660p NVMe SSD when the system hardware it was encrypted on is no longer available?

I have an Intel 660p NVMe SSD whose spec lists: Hardware Encryption Yes Encryption Algorithm 256-bit AES I used it as a replacement drive for Fujitsu Lifebook U748. That's the laptop I used to ...
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Encrypting a drive while hiding amount of data with multiple file systems in Linux?

Is there a way to encrypt a drive in a way that an attacker can't tell how much data is on it? It would also need to be able to hold multiple independent file-systems so you can safely share one key ...
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Enable Disk / Volume encryption without password prompt at boot

I need to encrypt Disk / volume / File system on Linux, but which will not require a password prompt at reboot. While this will not prevent data theft if the entire system is snitched, it should at ...
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Bitlocker: Cannot auto-unlock USB drive. "The drive cannot be encrypted..."

My system drive (C:) and external USB drive (D:) are both encrypted with Bitlocker. I can unlock the D: drive with the password. However I cannot get it to auto-unlock. Checking the box doesn't do ...
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Veracrypt message "write protected volume"

I created a hidden volume in Veracrypt. I didn't select the option for my volume to be write-protected but when I try to copy files to the volume, I get a message "saying this disk is write-...
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Can I decrypt and encrypt again my OS drive and will I loose data in this process?

I need to decrypt my OS drive (turn off bitlocker) to be able to install Ubuntu alongside Win10, and I would like to encrypt again Windows side after the installation for safety issues. Can I loose ...
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Accidentally converted my linux partition to crypto_LUKS

The problem I have dualboot between Windows 8.1. and OpenSUSE TumbleWeed with encrypted harddisk. And now, when I try to boot the laptop - I get this error: Welcome to GRUB! error: no such cryptodisk ...
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How to encrypt a usb drive which already has data on it

There is an external hard drive of almost 1Tb which has about 650Gb of data on it, the external HD is connected to computers via USB interface. As far as I'm aware, this external HD is for all intents ...
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How to unlock Crucial M550 SSD drive with its known password?

My Lenovo Laptop died, the Crucial M550 SSD drive is ok but is password protected. I'm now connecting to the drive via a SATA to USB adapter. The drive is acknowledged, but no way can I get a password ...
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File-based backup of encrypted Linux systems?

I learned that tools such as clonezilla cannot omit free blocks when the disk is encrypted, which is a huge problem, since the backup drive always needs to have at least the same size as the source ...
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Automount encrypted disk with luks on Debian 10 on system start

I try to auto mount disk when system start. I use crypttab and password have in file in plaintext. My configuration: sda3_crypt UUID=my_id none luks,discard wd_01 UUID=my_id /luks-keys/wd1 luks,...
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Restarting remotely a PC with encrypted drive

I've got a remote PC which I'm connecting to over the Internet. The PC has an encrypted drive. When I power it on, it first asks for a password to unlock the drive. If I've logged into it remotely and ...
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Fix encryption configuration for system mit RAID 1 and LVM after Ubuntu dist-upgrade

I recently tried to dist-upgrade a system set up according to How to install Ubuntu 15.10 on an encrypted RAID 1 to Ubuntu 19.10. Unfortunately after reboot I got the following errormessage: ... ...
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Recover master key from active LUKS partition

I have an open LUKS partition (open meaning that it is decrypted and mounted) the passphrase to which I would like to recover. It used to be possible to just add a new key slot by recovering the ...
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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 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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