encryption

Does nautilus encrypt files on BitLocker encrypted drive?

Does nautilus encrypt files on BitLocker encrypted drive? I have an Ubuntu 23.10/Windows 11 dual-boot setup with one of my SSDs and an HDD, both encrypted using BitLocker’s New Encryption Mode (XTS-AES). And I read that Linux systems natively don’t have support for BitLocker. What I’m confused about is, whenever I use Nautilus to copy …

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How to install cryptsetup-luks

How to install cryptsetup-luks I’m actually trying to setup LUKS on a Red Hat 9.2 Server. Here is the problem : I can’t do yum install cryptsetup-luks or dnf install cryptsetup-luks. When I try to use one of these command I have the following output : no match for parameter: cryptsetup-luks error: unable to find …

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erase hardware-encrypted SSD

erase hardware-encrypted SSD Disclaimer I’m not robbing someone, didn’t rob someone in the past and don’t plan to do so anytime soon. Situation Imagine I own a Samsung 2.5" SSD (850, 860 or the like) which is encrypted. If it’s a software encryption like Bitlocker, FileVault or VeraCrypt, I can simply reformat the disk and …

Total answers: 1

How do you mitigate the Terrapin SSH attack?

How do you mitigate the Terrapin SSH attack? The Terrapin Attack on SSH details a "prefix truncation attack targeting the SSH protocol. More precisely, Terrapin breaks the integrity of SSH’s secure channel. By carefully adjusting the sequence numbers during the handshake, an attacker can remove an arbitrary amount of messages sent by the client or …

Total answers: 2

_[SOLVED]_ grub doesn't show the option for encrypted partition

_[SOLVED]_ grub doesn't show the option for encrypted partition I installed ubuntu 22.04 LTS with the root partition encrypted. Now grub only allows me to boot my old (non-encrypted) ubuntu installation. how can I re-install grub so that it allows me to boot my current installation? Thank you PS: Is it possible to speed up …

Total answers: 1

Losing files on external BitLocker encrypted drive

Losing files on external BitLocker encrypted drive I am using Ubuntu 22.04 and have an external encrypted with BitLocker HDD which I use to store sensitive data such as personal and family photos and videos. Today, as usual, I decided to move some stuff from my laptop to that HDD. The only things I did …

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Why do I need my admin password AND the encryption password when mounting a Veracrypt encrypted partition but not when mounting a LUKS encrypted USB?

Why do I need my admin password AND the encryption password when mounting a Veracrypt encrypted partition but not when mounting a LUKS encrypted USB? This doesn’t matter much but I’d like to understand why: I have an encrypted partition on my internal SSDs (laptop and dekstop), encrypted with Veracrypt (the GUI version). I also …

Total answers: 1

Multiple Ubuntu installations in the same disk but different partitions

Multiple Ubuntu installations in the same disk but different partitions I need to install 3 different Ubuntus in different partititions and each installation shouldn’t be able to read data from the others. I thought this was simple installing multiple versions of Ubuntu in different encrypted partitions but I don’t find how I can do this …

Total answers: 1

How can I automatically unlock and mount a ZFS pool at boot?

How can I automatically unlock and mount a ZFS pool at boot? I was wondering if it’s possible to automatically decrypt and mount a ZFS pool and its datasets at boot. Currently, I have to unlock the pool manually by using the command # zfs load-key -a and then run # zfs mount -a. It …

Total answers: 1

Convert encrypted and signed to just signed PGP message

Convert encrypted and signed to just signed PGP message Suppose Bob got a message from Alice encrypted with his public key and signed with her private key. Now he wants to prove to Charlie that he got a message from her with this exact content. The message was created via gpg –sign –encrypt. My idea …

Total answers: 1

LUKS encrypted USB: "Operation cancelled" error on correct passphrase

LUKS encrypted USB: "Operation cancelled" error on correct passphrase I’m asking as a new question because I don’t have enough rep to comment on answers, and the drive in question here is removable. I’ve set up an encrypted USB drive using cryptsetup luksFormat, but I’m having trouble mounting it on insertion as I can with …

Total answers: 1

Yubikey security key for file based container

Yubikey security key for file based container Does anyone have a solution for using the Yubikey Security Key as a second factor for file-based crypto containers like VeraCrypt or something else? I know the Security Key doesn’t allow PGP, but now I don’t have another key. Asked By: Yan Anisimov || Source I’ll assume you’re …

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Can't type encryption password in GRUB

Can't type encryption password in GRUB I have Ubuntu 22.04.2 LTS installed with LVM encryption option. I know the password to unlock but I can’t type it while booting the OS after Ubuntu and/or GRUB update. All keyboard keys have strange behavior. F.I. Enter, Shift, Backspace keys don’t work as expected each adding some symbols …

Total answers: 1

No understanding Why i cant access dm_crypt-0 -> LVM2_Member

No understanding Why i cant access dm_crypt-0 -> LVM2_Member I just did a fresh install of ubuntu server with encryption. However from the looks of it I am unable to access the majority of the space. I believe its not mounted to a directory but it shows as mounted because the root directory. How can …

Total answers: 1

How to increase the size of a LUKS file-container

How to increase the size of a LUKS file-container There are many tips on how to resize (increase) a LUKS2 encrypted device / partition / LVM volume. But how to increase the size of the LUKS container created in the file? I once created: dd if=/dev/random of=/some file bs=1M count=100 cryptsetup luksFormat /some-file cryptsetup luksOpen …

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Encrypted file/directory to be mounted as drive?

Encrypted file/directory to be mounted as drive? I need something–portable–to be mounted as drive to show its encrypted content. I’ve been loaned an Ubuntu 22.04 Desktop system for some weeks as I’m not home and I’d like to save file in a manner which make it so when I hand it back, it won’t be …

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Is it possible to check if a LUKS device has been damaged by a foreign person?

Is it possible to check if a LUKS device has been damaged by a foreign person? Let’s assume I lost a LUKS encrypted USB pen drive. I think the file system type (ext4/fat32/…) doesn’t play a role. A foreign person finds it. Of course he cannot access my data because he doesn’t have the password. …

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Mount encrypted volume in read/write mode

Mount encrypted volume in read/write mode The canonical method to mount encrypted volumes from the command line on later Ubuntu editions involves udisksctl. However, that recipe mounts the volume in read-only mode. $ udisksctl unlock -b /dev/sdd1 Passphrase: Unlocked /dev/sdd1 as /dev/dm-1. $ ls -la /dev/mapper total 0 drwxr-xr-x 2 root root 100 apr 2 …

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